General Forestry – Plant Science Quiz

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Test Your Plant Science

10 MCQs on Plant Science Topic !

1 / 10

1. Which is the main difference between monocot and dicot leaves?

a. Monocots have net venation; dicots have parallel venation

b. Dicots have net venation; monocots have parallel venation

c. Both have parallel venation

d. Both have net venation

Monocot leaves have parallel venation—the veins run parallel to each other from the base to the tip.

Dicot leaves have reticulate (net-like) venation—the veins form a branching network throughout the leaf.

2 / 10

2. Which enzyme is responsible for carbon fixation in the Calvin cycle?

a. Nitrate reductase

b. Amylase

c. RuBisCO

d. Catalase

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3. The process of nitrogen fixation in plants is primarily carried out by:

a. Plant roots

b. Fungi

c. Bacteria

d. Algae

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4. What is the main storage carbohydrate in plant cells?

a. Glycogen

b. Cellulose

c. Starch

d. Sucrose

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5. Which plant hormone is mainly responsible for cell elongation and apical dominance?

a. Auxin

b. Cytokinin

c. Gibberellin

d. Abscisic acid

6 / 10

6. What type of root system is commonly found in monocots?

a. Tap root system

b. Fibrous root system

c. Adventitious root system

d. Prop root system

7 / 10

7. Which kingdom do mosses belong to?

a. Fungi

b. Plantae

c. Protista

d. Monera

8 / 10

8. Which of the following is a micronutrient essential for plants?

a. Nitrogen

b. Potassium

c. Iron

d. Magnesium

9 / 10

9. What is the main function of xylem tissue in plants?

a. Transport of food

b. Transport of water and minerals

c. Storage of starch

d. Photosynthesis

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10. Which cell organelle is known as the "powerhouse of the cell"?

a. Chloroplast

b. Nucleus

c. Mitochondria

d. Ribosome

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