Biology Test Plant Biology

Question 1

What is the primary function of chloroplasts in plant cells?

Accepted Answer

To carry out photosynthesis

Answer

To store genetic information

Answer

To break down waste products

Answer

To produce proteins

Question 2

Which tissue in plants is responsible for transporting water from roots to leaves?

Accepted Answer

Xylem

Answer

Phloem

Answer

Parenchyma

Answer

Epidermis

Question 3

What is the role of stomata in plants?

Accepted Answer

Gas exchange and water vapor release

Answer

Nutrient absorption from soil

Answer

Structural support

Answer

Reproduction

Question 4

Which hormone promotes cell elongation and is involved in phototropism?

Accepted Answer

Auxin

Answer

Cytokinin

Answer

Ethylene

Answer

Abscisic acid

Question 5

What is the function of root hairs?

Accepted Answer

To increase surface area for water and mineral absorption

Answer

To anchor the plant in soil only

Answer

To photosynthesize underground

Answer

To store excess sugars

Question 6

What is alternation of generations in plants?

Accepted Answer

A life cycle alternating between haploid and diploid stages

Answer

The seasonal change in leaf color

Answer

Annual vs perennial growth patterns

Answer

The cycle of pollination and seed dispersal