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9th Class Biology Chapter No 1 MCQs and Short Question Notes

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  1.1   Introduction toBiology 
1.         The scientific study of plants is called:                                                 (RWP-G2)-14(DGK-G1)-15
            (A)       Histology        (B)       Anatomy            (C)       Zoology           (D)P    Botany
2.         The scientific study of animals is called:                              (RWP-G2)-14(SGD-G1)(SWL-G1)-18
            (A)       Histology        (B)       Anatomy            (C)       Zoology  P      (D)       Botany
3.         The scientific study of living organism is called:                                   (SWL-G2)-13(LHR-G1)-16
            (A)       Physics            (B)       Chemistry           (C)P    Biology           (D)       Farming
4.         Histology is scientific study of:
            (A)       Organs             (B)       Cells                   (C)       Muscles           (D)P    Tissues
5.         The study of genes and their role in inheritance is called:                                           (BWP-G1)-13
            (A)       Histology        (B)       Anatomy            (C)P    Genetics          (D)       Inheritance
6.         The total number of elements in nature are:                                                                 (DGK-G1)-13
            (A)P    92                    (B)       93                       (C)       91                    (D)       90
7.         The microscopic study of tissue is called:
            (A)       Physiology      (B)       Morphology       (C)P    Histology        (D)       Anatomy
8.         The study of inheritance of characteristics from one generation to the next generation is called:
(GUJ-G1)-12 (LHR-G2)-13
            (A)P    Genetics          (B)       Physiology         (C)       Cell biology     (D)       Entomology
9.         The study of internal structure of organisms called:
(GUJ-G2),(AJK-G1)-13 (RWP-G1)-15 (RWP-G1)14 (MTN-G2)-16
             (A)      Morphology    (B)P    Anatomy            (C)       Histology        (D) Microbiology
10.       The study of insects is called:                    (SGD-G1), (DGK-G1)-13 (BWP-G1)-14 (LHR-G2)-12
(AJK-G1), (MTN-G2), (GUJ-G1)-15 (MTN-G2), (BWP-G1)-17, (LHR-G1),(GUJ-G2)-18
            (A)       Taxonomy       (B)P    Entomology       (C)       Biotechnology (D) Pharmacology   
11.       The study of fossils is called:                                               (SGD-G2)-14 (SGD-G1),(GUJ-G2)-15
            (A)       Immunology    (B)       Pharmacology    (C)P    Paleontology   (D)       Parasitology
12.       If a scientist is studying the method of inserting human insulin gene in bacteria which branch of biology it may be:                                                                                                   (RWP-G2), (FBD-G2)-13
            (A)       Anatomy         (B)       Physiology         (C)P    Biotechnology (D)       Pharmacy
13.       From which language the word Biology is derived?
                                                      (GUJ-G1)-13 (FBD-G2)-14 (RWP-G2)-15 , (BWP-G2)-18
            (A)P    Greek              (B)       Urdu                   (C)       English            (D)       German  
14.       The study of internal structure is called:
            (GUJ-G2)-13 (MTN-G2), (RWP-G1),(SWL-G2),(GUJ-G2)-14
            (A)       Morphology    (B)       Taxonomy          (C)P    Anatomy         (D)       Entomology
15.       Study of drugs and their effects on human body is called:                                         (BWP-G2)-16
            (A)P    Pharmacology (B)       Entomology       (C)       Parasitology    (D)   Sociobiology
16.       Economically study of animals is called:                                             (SWL-G1)-13, (SWL-G2)-14
            (A)    Biophysics                                           (B)    Biochemistry
            (C)    Biogeography                                      (D)P Bioeconomics
17.       Horticulture belongs to:                                                (DGK-G1)-13 (SWL-G2)-14 (SGD-G1)-17
            (A)P    Gardening       (B)       Poultry               (C)       Fisheries          (D)       Medicine
18.       Abdul Malik Asma was born in:                                                                                  (SWL-G1)-13
            (A)       721 AD           (B)       780 AD              (C)P    740 AD           (D)       980 AD
19.       ___________ first Muslim who studied animals in detail:                (BWP-G2)-15 , (DGK-G1)-18
            (A)    Bu Ali Sina                                         (B)    Jabir Bin Hayan
            (C)P Abdul Malik Asmai                            (D)    None of these
20.       Famous book Al-Abal was written by:                              (LHR-G1)-14 (MTN-G2), (SWL-G1)-17
            (A)    Jabir Bin Hyaan                                  (B)P Abdul Malik Asmai
            (C)    Bu Ali Sina                                         (D)    Darwin     
21.       The founder of Medicine is:                     (MTN-G1)-13, (SGD-G2)-14 (GUJ-G2)12 (LHR-G2)16
            (A)       Jabir Bin Hyan    (B)      Alrazi              (C)P    Bu Ali Sina     (D)       Aristotle
22.       Jabir Bin Hayan was born in:
(MTN-G2),(FBD-G2)-14 (RWP-G1)-15 (LHR-G2)-14(LHR-G1)-16 (BWP-G2)-18
            (A)       Iraq                  (B)P    Iran                     (C)       Pakistan           (D)       England
23.       We made every living thing with:                                                                      (FBd-G2)-18
            (A)       Food                (B)       dirt                     (C)       sand                 (D)P    water
24.       The author of Al-Qanoon fil-Tib is:
(RWP-G1)-14 (BWP-G2), (GUJ-G2)-15 (GUJ-G2)-16 (DGK-G2)-17
            (A)    Ali Ibn-e-Sina                                     (B)    Jabir Bin Hayan
            (C)P Bu Ali Sina                                         (D)    Abdul Malik Asmai
25.       The number of bio elements in nature is:                           (DGK-G1)-15, (BWP-G1)(SWL-G2)-18
            (A)       13                    (B)       14                       (C)       15                    (D)P    16
26.       The study of the function of different parts of living organisms is called:                 (MTN-G2)-15
            (A)       Morphology    (B)       Anatomy            (C)       Histology        (D)P    Physiology
27.       Zoology deals with:                                                                                 (AJK-G2)-15 (GUJ-G2)12
            (A)       Plants              (B)P    Animals              (C)       Atom               (D)       Cell        
28.       It deals with compounds of living organism:                                         (SGD-G2)-15 (RWP-G2)12
            (A)       Biophysics       (B)P    Biochemistry      (C)       Bio economic  (D)       Biometry  
29.       Book of Bu Ali Sina on medicine is:                               (SGD-G2)-15 (GUJ-G1)12 (RWP-G1)-18
            (A)    Al-Nabatat                                          (B)    Al-Wahoosh
            (C)P Al-Qanun-Fial-Tib                              (D)    Al-Haywan                 
  1.2   Levels of Organization of Organisms
30.       The molecules which have low molecular weight are called:                                       (BWP-G2)-13
            (A)    Macromolecules                                  (B)P Micromolecules
            (C)    Organic Molecules                              (D)    Inorganic molecules  
31.       The number of bioelements in nature is:    (BWP-G2)-13 (DGK-G1)-14 (MTN-G1),(MTN-G2)-16
            (A)       13                    (B)       14                       (C)       15                    (D)P    16
32.       Organelles assemble to form:
            (A)       Organ              (B)       Systems              (C)       Tissues             (D)P    Cells
33.       Mustard plant is sown in:                                                                     (BWP-G1)-13 (BWP-G1)-15
            (A)P    Winter             (B)       Summer              (C)       Spring              (D)       Autumn
34.       Which of these bioelements is in the highest percentage in protoplasm?
(DGK-G2),(AJK-G2)-13 (FBD-G2)-14 (AJK-G1),(LHR-G2)-15 (BWP-G2)-16
            (A)       Carbon            (B)       Hydrogen           (C)P    Oxygen           (D)       Nitrogen 
35.       When we study the feeding relation among animals of different species of a forest, at which level of organization we are?                                                                                                    (RWP-G1)-13
            (A)       Individual       (B)       Population          (C)P    Community     (D)       Biosphere
36.       Member of the same species living in the same place at same time, which level they form?
(SGD-G1), (RWP-G2)-13 (GUJ-G2)-14 (LHR-G2)-15 (RWP-G2)-18
            (A)       Habitat            (B)       Biosphere           (C)       Community     (D)P    Population
37.       The portion of earth inhibited by communities is called:                     (SWL-G2)-13 (RWP-G2)-14
            (A)       Habitat            (B)P    Biosphere           (C)       Ecosystem       (D)       Population
38.       The element mostly present in an individual is:                                                            (LHR-G1)-13
            (A)       Nitrogen          (B)       Oxygen              (C)P    Carbon            (D)       Hydrogen
39.       _________ tissue also makes the glandular tissue in animals.                   (MTN-G1) (FBD-G2)-14
            (A)    Muscular Tissue                                  (B)    Connective Tissue
            (C)P Epithelial Tissue                                  (D)    Nervous Tissue
40.       _________ is a low molecular weight micromolecule.                                                (BWP-G2)-15
            (A)P    Water              (B)       Lipids                 (C)       Proteins           (D)       Starch
41.       Example of micromolecule is:                                        (FBD-G1)-13 (BWP-G1)-16 (SWL-G2)-17
            (A)P    Glucose           (B)       Starch                 (C)       Lipids              (D)       Proteins
42.       The element that makes 65% of the total mass of living organisms is:                        (MTN-G2)-13
            (A)       Hydrogen        (B)       Carbon               (C)P    Oxygen           (D)       Nitrogen
43.       Level of organization that is less definite in plants is:     (MTN-G2), (RWP-G1)-13, (RWP-G2)-15
            (A)    Organism level                                    (B)P Organ system level
            (C)    Organ level                                          (D)    Tissue level
44.       In which organism colonial organization is present? (AJK-G1)-13 (BWP-G1),(BWP-G2)-14 (LHR-G1) ( DGK –G2)-18
            (A)       Amoeba           (B)       Paramecium        (C)       Euglena           (D)P    Volvox
45.       Reproductive organ of the plant is:                                    (GUJ-G1)-13, (LHR-G1), (GUJ-G1)-15
            (A)       Root                (B)       Stem                   (C)       Leaf                 (D)P    Flower
46.       What is true about volvox? (GUJ-G2)-13 (SWL-G1)-14 (GUJ-G2)-16 (RWP-G1)-17 (FBD-G1)-18
            (A)    Unicellular prokaryotes                       (B)    Unicellular eukaryotes
            (C)P Colonial eukaryotes                            (D)    Multicellular eukaryotes            
47.       The first Muslim scientist who detailed studied animals was: (DGK-G2), (MTN-G1)-13 (DGK-G1)-18
            (A)    Jabir Bin Hayan                                  (B)P Abdul Malik Asmai
            (C)    Bu Ali Sina                                         (D)    Al-Razi
48.       In 2010, the population of humans in Pakistan is:         (DGK-G2)-13 (FBD-G2)-14 (LHR-G2)-18
            (A)P 173.5 million persons                          (B)    17 million Persons
            (C)    19.5 million Person                             (D)    10.07 million persons
49.       Which one of the following is macromolecule?                   (SWL-G1),(SGD-G1)-15 (GUJ-G1)-18
            (A)       glucose            (B)       Water                 (C)       hydrogen         (D)P    Starch
50.       Unicellular is:                                                                                           (SWL-G1)-15(LHR-G1)16
            (A)       “Rabbit            (B)P    Euglena              (C)       Horse               (D)       Frog 
51.       The scientific name Brassica compestris is for the plant:                      (DGK-G2)-15 (GUJ-G1)-14
            (A)       Mango             (B)P    Mustard              (C)       Apple              (D)       Mollon
52.       Cells performing similar functions arranged into groups are called:
(MTN-G2), (MTN-G1)-15 (BWP-G1)-16
            (A)       Organism         (B)       Organ system     (C)       Organ              (D)P    Tissues
53.       Similar cells organized into groups and performing same functions are known as:
            (A)       Organelle         (B)P    Tissue                 (C)       Organ system  (D)       Organ
54.       An example of organ is:                                                                                                (FBD-G1)-15
            (A)       Neuron            (B)       Electron              (C)       Carbon            (D)P    Stomach
55.       An example of bio molecule is:                                                                                     (FBD-G1)-15
            (A)       Proton             (B)P    Protein                (C)       Iodine              (D)       Chlorine
56.       Which of the tissues make the glandular tissue in animals?                                         (FBD-G2)-15
            (A)P    Epithelial         (B)       Connective         (C)       Muscular         (D)       Nervous
57.       Transpiration of kidneys is example of:                                                                       (DGK-G1)-17
            (A)       Medicine         (B)       Morphology       (C)       Physiology      (D)P    Surgery
58.       Branch of biology which deals with the study of classification of organisms and their evolutionary history is called:                                                                                                           (DGK-G2)-17
            (A)       Taxonomy       (B)P    Systematics        (C)       Genetics          (D)       Bioinformatics
59.       Gardening relates to the profession.                                                                             (SWL-G1)-17
            (A)       Horticulture     (B)       Forestry              (C)       Agriculture      (D)       Farming
60.       The highest level of biological organization is:                                                            (SWL-G2)-17
            (A)       Species            (B)       Tissue                 (C)       Ecosystem       (D) P   Biosphere
61.       __________ water makes composition of the protoplasm of all living things.
                                                                                                                          (MTN-G1)-17 (RWP-G1)-18
            (A)       90 – 100%       (B)       80 - 90%            (C)       70 - 80%         (D)  P        60 - 70%
62.       The study of insects is called:                                                                                      (RWP-G2)-17
            (A)       Parasitology    (B)       Pharmacology    (C)       Entomology P  (D)  Histology
63.       The famous book Al-Nabatat was written by:                                                             (RWP-G2)-17
            (A)       Bu-Ali-SinaP(B)         Jabir bin Hayan  (C)       Abdul Malik    (D)       Ibn-e-Nafees
64.       The basic unit of classification is:                                                                                 (LHR-G1)-17
            (A)       Phylum            (B)       Class                   (C)       Species P     (D)       Order
65.       Breeding of cow belongs to:                                                                                        (LHR-G2)-17
            (A)       Farming           (B) P Animal Husbandry     (C)     Morphology     (D)    Genetics
66.       Which of the following Organisms has Colonial Organization:           (BHP-G1)-17 (DGK-G2)-18
            (A)       Mustard Plant (B)       Frog                    (C)       Amoeba           (D)P    Volvox

1.         What is science?                                                                                 (RWP-G2)-14 (FBD-G2)-15
Ans.    Science is the study in which observations are made, experiments are done and logical conclusions are drawn in order to understand the principles of nature.
2.         What is meant by bio economics?                                                                            (MTN-G2)-16
Ans.    It deals with the study of organisms from economical point of view.
3.         What is immunology?                                                                                                                      
(MTN-G1),(SWL-G2)-13 (RWP-G2),(SWL-G1),(AJK-G1),(RWP-G1)-14
Ans.    Immunology is the branch of biology which deals with the study of the immune system of animals, which defends the body against invading microbes.
4.         Write achievements of Bu Ali Sina in biology.
(GUJ-G1)-12 (AJK-G2),(SGD-G1),(LHR-G2)-14
(FBD-G1),(SGD-G1)-15 (LHR-G2),(GUJ-G1),(BWP-G1)-16
Ans.    Bu Ali Sina (980-1037 AD): He is honored as the founder of medicine and called as Avicenna in the West. He was a physician, philosopher, astronomer and Poet. One of his books "Al -Qanun- fi al-Tib" is known as the canon of medicine in West.
5.         Write down the definition of biology?
Ans.    The scientific study of living organisms is called biology.
6.         What is meant by fossils?                                               (SGD-G2)-14 (LHR-G2),(RWP-G2)-17
Ans.    Fossils are remains of extinct organisms and the study of fossils is called paleontology.
7.         What is difference between zoology and botany?
(RWPL-G1), (RWP-G2), (AJK-G2),(LHR-G1)-13 (DGK-G1)
(AJK-G1)-14 (BWP-G1), (LHR-G2)-15 (LHR-G2)-17 (SGD-G2)-18
Ans.    Zoology: Zoology is the major division of biology which deals with the study of animals.
            Botany: Botany is the division of biology which deals with the study of plants.
8.         Name any four careers in biology.                                                                            (LHR-G1)-13
Ans.    (i)      Medicine                  (ii)     Fisheries
            (iii)    Agriculture              (iv)    Animal Husbandry
9.         Define entomology.                                                                                                    (BWP-G1)-14
Ans.    Entomology is the study of insects, like cockroaches, ants etc.
10.       What do you mean by parasitology and biotechnology?                                                              
(RWP-G2)-13 (LHR-G2)-15
Ans.    Parasitology:  Parasitology deals with the study of parasites like study of plasmodium.
            Biotechnology: Biotechnology deals with the practical application of the living organisms to make substances for the welfare of mankind like production of insulin from bacteria.
11.       What is meant by taxonomy? (LHR-G1)-12 (MTN-G1)-14 (SWL-G2)-17 (FBD-G1)(GUJ-G1)-18
Ans.    Taxonomy: It is the study of the naming and classification of organisms into groups and subgroups.
12.       Differentiate between Environmental Biology and Cell Biology.                          (MTN G2)-17
Ans.    Environmental Biology: It deals with the study of the interactions between the organisms and their environment.
Cell Biology: The study of the structures and functions of cells and cell organelles is called cell biology. This branch also deals with the study of cell division.
13.       Define pharmacology and immunology.                                                                 (SGD-G1)-17
            Pharmacology: The study of medicines and drugs, including their action, their use and their effects on the body.
            Immunology: The branch of science dealing with the components of the immune system, immunity from disease, the immune response, and immunologic techniques of analysis.
14.       Differentiate between microbiology and morphology.
(GUJ-G2),(RWP-G2),(RWP-G1)12 (DGK-G2)-13
(GUJ-G1),(GUJ-G2),(AJK-G1),(LHR-G1)-15 (GUJ-G1)-17
Ans.    Microbiology: Microbiology is a major division of biology which deals with the study of microorganisms such as bacteria, viruses, protozoa, etc.
            Morphology: Morphology deals with the study of the structures and shapes of living organisms.
15.       Define biochemistry.
(LHR-G2)-12 (GUJ-G2)-13 (GUJ-G2),(LHR-G1)-14 (SGD-G2)-15 (LHR-G1)-17
Ans.    The study of chemistry of different compounds and chemical processes occurring in living organisms is known as biochemistry.
            Example: Photosynthesis, digestion of food and respiration.
16.       Write names of three main divisions of biology.                                                    
(RWP-G2)-12(FBD-G1)-13 (GUJ-G1),(FBD-G1)-14
Ans.    Three main divisions of biology are given below:
            (i)      Zoology (This division of biology deals with the study of animals).
            (ii)     Botany (This division of biology deals with the study of plants).
            (iii)    Microbiology (The division of biology deals with the study of microorganisms such as bacteria etc.).
17.       What are major biological issues now-a-days?
(MTN-G2)-13 (SWL-G1), (AJK-G1), (RWP-G1),(GUJ-G1)14 (SGD-G2)-18
Ans.    Human population growth, infectious diseases, addictive drugs and pollutions are the major biological issues nowadays.
18.       Define biotechnology.                                                     (GUJ-G1)-12 (MTN-G2),(LHR-G2)-13
(FBD-G2),(LHR-G2)-14 (LHR-G2)-15 (LHR-G2)-16 (GUJ-G1), (BWP-G2)-17
Ans.    Biotechnology deals with the practical application of the living organisms to make substances for the welfare of mankind.
19.       Define Physiology.                                                       (MTN G1)-17 (GUJ-G1)-18
Ans.    Physiology: This branch deals with the study of the functions of different parts of living organisms.
20.       Define Genetics.                                                         (DGK-G2)-13, (RW-G1)-15 (RWP-G1)-17
Ans.    The study of genes and their roles in inheritance is called genetics. Inheritance means the transmission of characters from one generation to the other.
21.       From which two Greek words the word biology is made?                                    (SWL-G2)-13
Ans.    The word biology is derived from two Greek words i.e. "bios" meaning "life" and "logos" meaning "thought or reasoning".
22.       What is meant by molecular biology?                             (FBD-G1)-13 (SDG-G1), (RW-G2)-14
Ans.    The study of molecules of life called molecular biology like, Protein, carbohydrates.
23.       Define sociobiology.                                                                                                    (SGD-G1)-13
Ans.    Sociobiology is the branch of biology that deals with the study of social behavior of animals that make societies.
24.       Define genes.                                                                                                               (SGD-G2)-13
Ans.    Genes is unit of inherit. It transform genetic information’s from generation to generation.
25.       Differentiate between cell biology and histology.   (RWP-G1)-12 (DGK-G1)-13 (GUJ-G1)-14
(BWP-G1)-15 (GUJ-G1),(BWP-G1)-16 (SWL-G1)-17
Ans.    Cell Biology: The study of the structures and functions of cells and cell organelles is called biology. This branch also deals with the study of cell division.
            Histology: The microscopic study of tissues is called histology.
26.       Explain medicine / surgery, career in biology.                                                        (BWP-G1)-13
Ans.    Medicine Surgery: The profession of medicine deals with the diagnosis and treatment of diseases in human.
            Surgery: In surgery the arts of the body may be repaired, replaced or removed.
            Example: The removal of stones through renal surgery. Transplantation of kidney, liver etc. Both these professions are studied in the same basic course (MBBS) and then students go for specializations.
27.       What do you mean by horticulture and how it is related to agriculture?
(BWP-G1),(SWL-G2)-14 (RWP-G2)-15 (DGK-G1), (FBD-G1)-17
Ans.    Horticulture: Horticulture profession includes the art of gardening. It is relate to agriculture because a horticulturist works for the betterment of existing varieties and for the reduction of new varieties of ornamental plants and fruit plants.
28.       What is biogeography?                           (BWP-G2)-13 (GUJ-G1),(MTN-G2)-14 (GUJ-G2)-15
Ans.    Biogeography is the study of occurrence and distribution of different species of living organisms in different geographical regions of the world. It allies the knowledge of the characteristics of particular geographical regions to determine the characteristics of living organisms found there.
29.       Describe the work of Abdul Malik Asmai in biology.                                             (SGD-G1)-17
Ans.    He is the first Muslim scientist who studied animals in detail. His famous writing include Al-Abil, Al-Khail, Al-Wahoosh & Kalqal-Insan.
30.       Name famous books of Jabar Bin Hayan and Abdul Malik Asmai.
(LHR-G1),(LHR-G2)-12 (SWL-G1),(FBD-G1), (RW-G2), (FBD-G2)-13
(SGD-G2), (GUJ-G1),(FBD-G1)-14 (DGK-G1)-15 (DGK-G1)-17 (DGK-G1)-18
Ans.    AI-Nabatat and AI-Haywan are written by Jabir Bin-Hayan (Books of Abdul Malik Asmai) Famous books written by Al- Abil (Camel), AI-Khail (Hourses), Al-Wahoosh (animals), Kalqal Ansan Abdul Malik Asmai.
31.       Why Jabir bin Hayan famous
OR      write two inventions of Jabir bin hayan?                                                   (SWL-G1)-18
Ans.    Jabir bin Hayan was born in Iran. He introduced experimental investigation in chemistry and also wrote number of books on the plants and animals.
32.   What are parasites? Give an example.      (LHR-G2), (SGD-G1)-13 (FBD-G1)-14 (LHR-G1)-15
Ans.    Parasites are the organisms that take food and shelter from living hosts and in return, harm their (hosts) lives.
33.       Describe animal husbandry as career in biology.                            (GUJ-G2)-12 (SGD-G1)-15
Ans.    Animal Husbandry: It is the branch of agriculture concerned with the care and breeding of domestic animals (livestock) e.g. cattle, sheep etc. professional courses in animal husbandry can be adopted after the higher secondary education in biology.
34.       Define bioinformatics.                                                                       (LHR-G1)-16 (LHR-G1)-17
Ans.    It deals with the study of biological processes using mathematical and computer techniques and tools.
35.       Define biometry.                                                                                     (FBD-G2), (BWP-G2)-15
Ans.    Biometry: It deals with the study of biological processes using mathematical techniques and tools. For example to analyze the data gathered after experimental work, biologists have to play the rules of mathematics.
36.       What is farming?                                                                                                        (FBD-G2)-15
Ans.    Farming: It deals with the development and maintenance of different types of farm. For example in some farms animal breeding technologies are used for the reduction of animals which are better protein and milk source. In poultry farms chicken and eggs are produced. Similarly in fruit farms, different fruit yielding plants are grown. A student who has gone through the professional course of agriculture, animal husbandry or fisheries etc. can adopt this profession.
37.       Define biophysics.                                                       (GUJ-G2)-12 (BWP-G2)-15 (GUJ-G1)-18
Ans.    It deals with the study of principles of physics, which are applicable to biological phenomena. For example there is a similarity between the working principles of lever in physics and limbs of animals in biology.
38.       Define anatomy.                                                                                                        (DGK-G1)-15
Ans.    The study of internal structures called anatomy.
39.       Define highest level in levels of organization.                                                          (DGK-G2)-17
Ans.    The highest level in organization is biosphere level. The part of the Earth inhabited by organism’s communities is known as biosphere.
40.       Write down the name of groups of biomolecules and give examples?
Ans.    Biomolecules in living organism combine through the ionic and covalent bond formation to form stable particles known as biomolecules. Biomolecules has two types Micro molecules and Macromolecules.

1.2     Levels of Organization of Organisms
41.       Write the names of vegetative organs of plants.      (LHR-G1)-12 (GUJ-G2)-14 (LHR-G1)-15
Ans.    Roots, stem branches and leaves are the vegetative organs of plants, which do not take part in the sexual reproduction of the plant.
42.       Define habitat.                                                           (AJK-G1)-13, (FBD-G2)-14 (RWP-G2)-17
Ans.    Habitat means the area of the environment in which organism lives.
43.       What is the scientific name of mustard plant? Describe its two advantages.
(LHR-G1)12 (GUJ-G1), (SWL-G1), (SGD-G2), (SWL-G2)-13
(SGD-G1), (SWL-G2)-14 (DGK-G2)-15 (DGK-G2)-18
Ans.    Mustard plant (scientific name: Brassica campestris) is sown in winter and it produces seeds at the end of winter.
(i)         The plant body is used as vegetable.
(ii)        Its seeds are used for extracting oil.
44.       Write the names of six important bioelements.                                                       (SWL-G2)-17
Ans.    Only six are biomolecules (O, C, H, N, Ca & P) make 99% of the total mass.
45.       Differentiate between micromolecules and macromolecules with examples.
(AJK-G2)-13 (SGD-G2)-15
OR      Give two examples of micromolecules and macromolecules each.
(FBD-G2), (MTN-G1)-13 (AJK-G2), (SGD-G2), (LHR-G1)-14
(RW-G1),(BWP-G2)-15 (MTN-G1)(MTN-G2)-16
Ans.    Micromolecules: molecules with low molecular weight called micromoleculues.
            Example:    Glucose, water.
            Macromolecules: Molecules having high molecular weight called macromolecules.
            Example:    Starch, proteins and lipids.
46.       Define colonial organization and give an example.
(RWP-G2)-12 (GUJ-G1),(LHR-G1),(GUJ-G2)-13 (BWP-G1)-17 (SWL-G2)-18
Ans.    In colonial type of cellular organization, many unicellular organisms live together but do not have any division of labour among them. Each unicellular organism in a colony lives its own life and does not depend on other cells for its vital requirements.
            Example: Volvox is a green alga found in water that shows colonial organization. Hundreds of volvox cells make a colony.
47.       What is community level? Give an example.
(GUJ-G1)-12 (GUJ-G1)-13 (GUJ-G2),(DGK-G1)-14 (BWP-G2)-17
Ans.    A community is assemble of different populations, interacting with one another within the same environment.
            Example: A forest may be considered as a community. It includes different plant, microorganisms, fungi and animal species.
48.       Define population.    (MTN-G2)-14 (DGK-G2)-15 (RWP-G1)12 (GUJ-G2)-16 (DGK-G1)-17
Ans.    A Population is defined as a group of organisms of the same species located at the same place, in the same time.
            Example: Human population in Pakistan in 2010 comprises of 173.5 million individuals.
49.       What is meant by bio-elements?
 (RWP-G1)-12 (GUJ-G2)-13 (MTN-G2), (DGK-G2)-14 (GUJ-G2)-15 (SWL-G2)-18
Ans.    Out of the 92 kinds of elements that occur in nature. 16 are bioelements. These take art in making the body mass of a living organisms. Out of these bioelements. 'Only six (O, H, N, Ca, and) make 99% of the total mass. Other ten (K, S, Cl, Na, Mg, Fe, Cu, Mn, Zn and I) other collectively make 01% of the total mass.
50.       Define tissue and organs. Give example of each.
(MTN-G1)-13 (SGD-G1), (RW-G1),(FBD-G1), (GUJ-G1)-14 (AJK-G2)-15 (BWP-G1)-17
Ans.    Tissues can be defined a tissue as a group of similar cells specialized for the performance of a common function.
            Example: Cardiac tissues and epithelial tissues.
            Organs: In organism’s more than one type of tissues having related functions are organized together and make a unit, called organ.
            Example: Stomach, kidneys, lungs, etc. are organs.
51.       Write down the scientific name, of crow and frog. (MTN-G2), (DGK-G2)-13 (BWP-G1)-15
Ans.    Frog: Rana tigrina.
            House Crow: Corvus splendens
52.       Write down the scientific name of frog and two characteristic.                             (SGD-G2)-13
Ans.    Frog (scientific name: Rana tigrina) shows the multicellular organization. The body is made of organ systems and each organ system consists of related organs. All the organs are made of specific tissues (epithelial, glandular, muscular, nervous etc.).
53.       What is species? Write an example.               (SGD-G2), (AJK-G2)-13 (BU-G2),(AJK-G2)-14
(MTN-G2), (RWP-G1 ,G2)-17
Ans.    A species is a group of organisms which can interbreed freely among them and produce fertile offspring, but are reproductively isolated from all other such groups in nature. Basic unit or category of classification is "species". Example: Humans, donkey, horse etc.
54.       What is biosphere level?         (RWL-G2)-13 (DGK-G2),(BWP-G2),(AJK-G1),(RWP-G1)-14
(RW-G1)-15 (BWP-G2)-16 (MN-G1),(FBD-G2)-17 (BWP-G2)-18
Ans.    The part of Earth inhabited by organism’s communities is known as biosphere. It constitutes all ecosystems and is called the zone of life on Earth.
55.       Write four names of unicellular organisms.
(SWL-G1), (RW-G2)-13 (MTN-G2), (GUJ-G1)-14 (FBD-G1)-15
Ans.    (i)      Amoeba          (ii)     Paramecium      (iii)     Euglena           (iv)     Claymedomonas
56.       Write down two names of each of plant and animal tissues.                                 (RWL-G1)-13
Ans.    Ground and Vascular tissues are the plant tissues. Nervous and Muscular tissues are the animal tissues.
57.       What is organ system?                                                   (BWP-G1)-13 (LHR-G1), (LHR-G2)-14
Ans.    Organ System: Different organs performing related functions are organized together in the form of an organ system. In an organ system, each organ carries out its specific function and the functions of all organs appear as the function of the organ system.
            Example: Digestive system is an organ system organism like oral cavity, stomach, small intestine, large intestine, liver, and pancreas.
58.       Name vegetative and reproductive parts of mustard plant.                                 
(GUJ-G2)-14 (RWP-G2)-15 (LHR-G2)-17
Ans.    Reproductive parts; Flowers vegetative arts: Roots, Stem, Branches
59.       What is meant by unicellular organization?                                   (LHR-G2)-12 (MTN-G2)-15
Ans.    Organism that consist of one cell called unicellular organism, like paramecium.
60.       Write the importance or benefit of mustard plant.      (MTN-G2)-15 (FBD-G1),(SGD-G2)-17
Ans.    The body of mustard plant is use as vegetable and its seeds are used for extracting oil.
61.       Difference between the vegetative and reproductive organ?                    (FBD-G2)-18
Vegetative organ
Reproductive Organ
All organs in the living organism which don’t take part in the sexual reproduction are called as the Vegetative Organ
For example: Root, Stem, Leaves, and branches
The organs which take part in the sexual reproduction are called as the reproductive organ.
For example: flower, fruits, seeds etc.


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LearningKiDunya: 9th Class Biology Chapter No 1 MCQs and Short Question Notes
9th Class Biology Chapter No 1 MCQs and Short Question Notes
9th class biology notes chapter 1, 9th class biology notes English medium pdf, 9th class biology solved exercises, kips academy notes for class 9 biology, 9th class biology notes punjab board textbook,biology notes for class 9, biology notes for class 9 chapter 1, biology class 9 chapter 1 notes, learning ki dunya notes,
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