Autotrophic Nutrition

Q.

What is an example of autotrophic nutrition?

Q.

All producers in a terrestrial and aquatic ecosystem are …………………

1. autotrophs

2. heterotrophs and autotrophs

3. autotrophs and saprophytes

4. all heterotrophs

Q.

Question 7
Plasmolysis in a plant cell is defined as

(a) break down (lysis) of the plasma membrane in hypotonic medium
(b) shrinkage of cytoplasm in a hypertonic medium
(c) shrinkage of nucleoplasm
(d) none of the above

Q.

Question 38
If cells of onion peel and RBC are separately kept in hypotonic solution, what among the following will take place? Explain the reason for your answer.

(a) Both the cells will swell.
(b) RBC will burst easily while cells of onion peel will resist the bursting to some extent.
(c) a and b both are correct.
(d) RBC and onion peel cells will behave similarly.