Root Of A Plant-Multiple Choice Questions Quiz

Question 1: What is the primary function of roots in a plant?

(a) Photosynthesis
(b) Reproduction
(c) Anchoring the plant in the soil and absorbing water and nutrients
(d) Producing flowers and fruits

Question 2: Which type of root system consists of a single main root with smaller lateral roots branching off from it?

(a) Fibrous root system
(b) Adventitious root system
(c) Taproot system
(d) Aerial root system

Question 3: What is the purpose of root hairs in plants?

(a) To conduct water and nutrients
(b) To store food
(c) To anchor the plant
(d) To increase the surface area for water and nutrient absorption

Question 4: Which root modification is characterized by swollen, fleshy roots that store water and nutrients?

(a) Prop roots
(b) Adventitious roots
(c) Tubers
(d) Aerial roots

Question 5: What is the primary function of prop roots?

(a) To anchor the plant in the soil
(b) To absorb water and nutrients
(c) To store food
(d) To produce flowers and fruits

Question 6: What is the innermost layer of the root responsible for absorbing water and minerals?

(a) Cortex
(b) Phloem
(c) Epidermis
(d) Endodermis

Question 7: What is the name for the region of cell division in the root tip?

(a) Root cap
(b) Zone of elongation
(c) Zone of maturation
(d) Apical meristem

Question 8: What is the function of the root cap?

(a) Absorbing water and nutrients
(b) Producing new lateral roots
(c) Anchoring the plant
(d) Protecting the apical meristem and guiding root growth

Question 9: What type of root modification is observed in plants like maize, where the lower part of the stem develops adventitious roots?

(a) Prop roots
(b) Aerial roots
(c) Fibrous roots
(d) Buttress roots

Question 10: Which type of root modification is characterized by roots that grow above the ground and often help in obtaining oxygen or support?

(a) Aerial roots
(b) Tubers
(c) Taproots
(d) Fibrous roots

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Results:

Total score: /10

Answer key:

Question 1: c

Question 2: c

Question 3: d

Question 4: c

Question 5: a

Question 6: d

Question 7: d

Question 8: d

Question 9: a

Question 10: a