Saturday 18 February 2023

Class 9 - Biology - Multiple Choice Questions (2022-23) #class9Biology #BiologyQuiz #cbsenotes #eduvictors

 Class 9 - Biology - Multiple Choice Questions (2022-23)

Class 9 - Biology - Multiple Choice Questions (2022-23)  #class9Biology #BiologyQuiz #cbsenotes #eduvictors


1. Who discovered cell?

a) Robert Hooke

b) Robert Brown

c) Anton Leeuwenhoek

d) Schleiden & Schwann


2. Which plastids are colourless?

a) Chromoplasts

b) Chloroplast

c) Leucoplasts

d) All of the above


3. Which Organelle of cell is known as “Power House”?

a) Lysosome

b) Mitochondria

c) Centriole

d) Chromosome


4. ________ is called the energy currency of the cell

a) Endoplasmic reticulum

b) Oxygen

c) ATP

d) Mitochondria


5. Which of the following statements is incorrect?

a) Cytoplasm is also known as protoplasm

b) Lysosomes are known as the suicide bags of the cell

c) Mitochondria has its own DNA

d) All of the above are incorrect


6. Which of the following can be made into crystal?

a) A bacterium

b) An Amoeba

c) A virus

d) A sperm


7. Chromosomes are made up of

a) DNA

b) Protein

c) DNA and protein

d) RNA


8. Which of these is not related to endoplasmic reticulum?

a) It behaves as a transport channel for proteins between nucleus and cytoplasm.

b) It transports materials between various regions in the cytoplasm.

c) It can be the site of energy generation.

d) It can be the site for some biochemical activities of the cell.



9. Following are a few definitions of osmosis. Read carefully and select the correct definition.

a) Movement of water molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.

b) Movement of solvent molecules from its higher concentration to lower concentration.

c) Movement of solvent molecules from higher concentration to lower concentration of solution through a permeable membrane.

d) Movement of solute molecules from lower concentration to higher concentration of solution through a semi permeable membrane.



10. Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?

a) Golgi apparatus

b) Lysosomes

c) Smooth endoplasmic reticulum

d) Vacuoles


11. Which of the following tissues has dead cells?

a) Parenchyma

b) Sclerenchyma

c) Collenchyma

d) Epithelial tissue



12. Vertical growth in plants takes place by –

a) Lateral meristem

b) apical meristem

c) Intercalary meristem

d) none of the above



13. Growth of stem increases due to

a) apical meristem

b) lateral meristem

c) intercalary meristem

d) vertical meristem


14. A person met with an accident in which two long bones of the hand were dislocated. Which among the following may be the possible reason?

a) Tendon break

b) Break of skeletal muscle

c) Ligament break

d) Areolar tissue break



15. Cartilage is not found in

a) nose

b) ear

c) kidney

d) larynx


16. Which one is not a source of carbohydrate?

a) Rice

b) Millets

c) Sorghum

d) Gram



17. Which one of the following species of honeybee is an Italian species?

a) Apis dorsata

b) Apis florae

c) Apis cerana indica

d) Apis mellifera


18. Find out the correct sentence.

(i) Hybridisation means crossing between genetically dissimilar plants

(ii) Cross between two varieties is called as inter specific hybridisation

(iii) Introducing genes of desired character into a plant gives genetically modified crop

(iv) Cross between plants of two species is called as inter varietal hybridisation

a) (i) and (iii)

b) (ii) and (iv)

c) (ii) and (iii)

d) (iii) and (iv)


19. Which of the following are Indian cattle?

(i) Bos indicus

(ii) Bos domestica

(iii) Bos bubalis

(iv) Bos vulgaris

a) (i) and (iii)

b) (i) and (ii)

c) (ii) and (iii)

d) (iii) and (iv)


20. Which one of the following nutrients is not available in fertilisers?

a) Nitrogen

b) Phosphorus

c) Iron

d) Potassium


Answers:

1. a) Robert Hooke

2. c) Leucoplasts

3. b) Mitochondria

4. c) ATP

5. a) Cytoplasm is also known as protoplasm

6. c) A virus

7. c) DNA and protein

8. c) It can be the site of energy generation.

9. a) Movement of water molecules from a region of higher concentration to a region of lower concentration

through a semi-permeable membrane.

10. c) Smooth endoplasmic reticulum

11. b) Sclerenchyma

12. b) apical meristem

13. b) lateral meristem

14. c) Ligament break

15. c) kidney

16. d) Gram

17. d) Apis mellifera

18. a) (i) and (iii)

19. a) (i) and (iii)

20. c) Iron


See Also:

Ch 5 - Fundamental Unit of Life (Q & A)
Ch5 - Fundamental Unit of Life (MCQs)
Ch5 - Fundamental Unit Of Life (Question Bank)
Ch5 - Fundamental Unit Of Life - Quiz On Cell Organelles
Ch 5 - Interactive Cell - Play to learn about cell organelles
Ch5 - Fundamental Unit of Life (Worksheet)
Ch5 - 7 Points About Plasmolysis
Ch5 - Cell - Very Short Answer-Based Questions (Set-1)
Ch 5 - Cell Membrane - Structure and Functions
Ch 5 - Cell 1 Mark Questions (Assignment)
Ch5 - Cell - Fundamental Unit Of Life (MCQs) 2021-22

Ch6 - Tissues -Name the Following (Revision Worksheet)
Plant Tissues (MCQs)   Animal Tissues (MCQs)

CH 15 - Improvement in Food Resources (MCQs)

Science Annual Test Paper Set-1 (2020-21)

Science - SA2 - Sample Question Paper (2016-17)
Science - SA2 - Sample Question Paper (2016-17) Set-2

Science Half Yearly Sample Question Paper (2022-23) Set-1


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