Question

C. Short answer questions
1. State whether the following statements are true or false. Correct the false statements,
i. The outermost covering of all cells is the cell membrane,
ii. Some plastids do not contain any pigment and are thus colourless.
iii. Cell size is not related to the size of the organism.
iv. Bacteria do not have any nuclear membrane.
New cells are formed when old cells die,
V​

Answer 1

Explanation:

1. false as plant cell has cell wall
2. false all plastids contain pigment even if they are colour less. Colour less plastids are called Leucoplast.
3. True
4. True
5. true

Answer 2

Answer:

1. false
2. false
3. true
4. true
5. false

Explanation:

1. in animal cells the cell membrane is the outermost covering but in plant cells cell wall is present therefore false.
2. some plastids like luecoplasts are colourless due to colourless pigments but contain pigments therefore false.
3. cell size is related to its function not the size of organisms therefore true
4. bacteria is a prokaryotic organism which lack nuclear membrane therefore true.
5. New cells are formed when a mother cell divides into two new cells and no role of other old cell is there therefore false