Question

Which one is correct
(a) In Amoeba, contractile vacuole is important for excretion
and osmoregulation
(b) In many cells as in protists, food vacuoles are formed by
engulfing the food particles
(c) Both a and b
(d) Vacuole is always large sized in all cells of plant​

Answer 1

Answer:

the answer is d) vacuole is always large ......

Answer 2

Answer:

c) Both a and b

Explanation:

• The contractile vacuole is important in amoeba because they live in water and for regulating the pumping of water, it is present in it. It also helps in excretion.

• The contractile vacuole contracts and expands helping the amoeba in osmoregulation and excess water is not retained in the cell.

• Food vacuoles are extensions of the plasma membrane and when any food particle enters the body of the protist, it forms a circular pouch-like structure around the food to help in engulfing. It is also known as the digestive vacuole.
• Most plants have large-sized vacuoles but not all plant cells have large vacuoles. They have much larger vacuoles than animal cells.

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