CBSE Class 9 Science Cell: The Building Block of Life (Class 9 NCERT New) Quiz 3

1. This is a example of........

A organ system B cells C organ D tissue

2. The brain is a part of which organ system?

A nervous B skeletal C muscular D digestive

3. The lungs and the kidneys are examples of

A cells B organs C tissues D organ systmes

4. What is a sac-like structure used to store water and nutrients? These are much larger in plant cells?

A Lysosomes B Mitochondria C Vacuoles D Golgi Body

5. This process happens inside chloroplasts

A Cellular Respiration B Photosynthesis C Protein Synthesis D Osmosis

6. Which structures are found in every living cell?

A cell membrane and cytoplasm B chloroplasts and mitochondria C a cell wall and nucleus D chloroplasts and cell wall

7. Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells?

A to absorb light energy and manufacture food B to remove waste materials by active transport C to manufacture chemical energy from food D to control the shape of the cell

8. What is the function of a cell wall?

A to protect and support the cell B to perform different functions in each cell C to prevent water from passing through it D to prevent oxygen from entering the cell

9. Which of the following is not part of the cell theory?

A cells must contain DNA B all living things are made from cells C cells can only come from other cells D cells are the basic unit of life

10. Which of the following is the smallest unit of life that can carry out all life functions?

A the mitochondria B the vacuoles C the nucleus D the cell