Nutrition in Plants (Questions)

 Nutrition in Plants

Multiple Choice Questions 

1. Organisms that prepare food for themselves using simple naturally available raw materials are referred to as 
(a) heterotrophs 
(b) autotrophs 
(c) parasites 
(d) saprophytes

2. Which of the following statements is/are correct? 

(i) All green plants can prepare their own food. 

(ii) Most animals are autotrophs. 

(iii) Carbon dioxide is not required for photosynthesis. 

(iv) Oxygen is liberated during photosynthesis.

Choose the correct answer from the options below: 

(a) (i) and (iv)

(b) (ii) only 

(c) (ii) and  (iii)

(d) (i) and (ii)

3. Which of the following raw material is available in the air for photosynthesis? 

(a) Oxygen 

(b) Carbon dioxide 

(c) Nitrogen 

(d) Hydrogen

4. When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings? 

(a) Stomata 

(b) Lamina

(c) Midrib 

(d) Veins