MCQ Biology Class 9

1. The basic unit of life is:

a) tissue
b) cell
c) both
d) none of them

2. Who discovered the cell?

(a) Robert Hooke
(b) Leeuwenhoek
(c) Robert Brown
(d) T. Schwann

3. The cell wall of a plant cell is made up of:

(a) glucose
(b) fructose
(c) protein
(d) cellulose

4. Which of the following controls all biological activities of a cell?

(a) Protoplasm
(b) Cell wall
(c) Nucleus
(d) All of these

5. Which of the following is known as the ‘Power House’ of a cell?

(a) Nucleus
(b) Golgi Bodies
(c) Ribosome
(d) Mitochondria

6. Digestive Enzymes are found in:

(a) Protoplasm
(b) Cell wall
(c) Lysosomes
(d) Mitochondria

7. Which is the longest cell of the human body?

(a) Nerve cell
(b) Liver cell
(c) Kidney cell
(d) Cardiac cell

8. Which of the following cell organelles functions both as an intracellular transport system and as a manufacturing surface?

(a) Nucleus
(b) Mitochondria
(c) ER
(d) None of these

9. Which of the following cell organelles help in the storage, modification, and packaging of substances manufactured in the cell?

(a) Golgi apparatus
(b) Nucleus
(c) Mitochondria
(d) Chloroplasts

10. Who proposed the “Black Reaction”?

(a) Benda
(b) Camillo Golgi
(c) Schleiden
(d) None of them

11. Who discovered the nucleus in the cell?

(a) Leeuwenhoek
(b) Robert Brown
(c) Schleiden
(d) Robert Hooke

12. Which of the following are formed in bone marrow?

(a) RBC
(b) Cartilage cell
(c) Blood platelets
(d) Fibres

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

(a) A bacterium
(b) An amoeba
(c) A virus
(d) A sperm

14. Chromosomes are made up of:

(a) DNA
(b) Protein
(c) DNA and protein
(d) RNA

15. Which of the following are covered by a single membrane?

(a) Mitochondria
(b) Vacuole
(c) Ribosome
(d) Plastid