Photosynthesis, Respiration and Nutrition in Plants 

11. Which of the following nutrients directly contributes to plant cell growth and development?

a) Proteins

b) Fats

c) Carbohydrates

d) Minerals

12. In which part of the plant are sugars and other carbohydrates stored?

a) Stem

b) Root

c) Leaf

d) Flower

13. The process of taking in nutrients from the soil through plant roots is known as:

a) Assimilation

b) Transpiration

c) Absorption

d) Osmosis

14. Which of the following nutrients is synthesized during photosynthesis?

a) Vitamins

b) Proteins

c) Fats

d) Carbohydrates

15. The primary role of nitrogen in plant nutrition is:

a) To provide energy

b) To aid in reproduction

c) To promote leaf growth

d) To create DNA and proteins