Leaf anatomy in plants MCQs with Answers

Leaf anatomy in plants MCQs

Hello students, our next topic is leaf anatomy. Leaf is flat and it is called as leaf lamina. Due to presence of chlorophyll pigment the leaf is green in color. The thick line which is formed from the center of the leaf is the main vein or midrib. There are smaller veins from the main vein. The function of these veins of leaf is to carry water, minerals and food up and down the leaf.

The set of MCQ will provide you more information about ‘leaf anatomy’.

MCQ.1):…………………………………………………………………… part of the plant is designed to collect light and it uses that light energy for the production of food.

a) Leaf

b) Root

c) Root buds

d) Flowers

MCQ.2): ……………………………………………………………………. Of the leaf is round, pointed and smooth and present at the top of the leaf.

a) Margin

b) Midrib

c) Veins

d) Apex

MCQ. 3): The leaf stem is also known as ………………………………………………………………………..It doesn’t look like stem but holds xylem and phloem.

a) Tip

b) Base

c) Blade

d) Petiole

MCQ.4): Which of the following layer helps plant to move and store photosynthetic material, by-products etc.?

a) Margin

b) Apex

c) Blade

d) Petiole

MCQ.5): In the vein patterns of leaf, few have spreading type of vein pattern which is called as …………………………………………………………………………….

a) Parallel vein

b) Dichotomous venation

c) Pinnately netted veins

d) None of them

MCQ.6): ……………………………………………………………………. Are the tiny holes for the gas exchange which can open and close present on lower epidermis.

a) Spongy mesophyll

b) Cuticle

c) Guard cells

d) Stomata

MCQ.7):  Which of the following cells are responsible behind the controls of opening and closing of stomata?

a) Sieve cells

b) Sertoli cells

c) Ascinar cells

d) Guard cells

MCQ.8): The leaf lamina internal organization shows differentiation into ………………………………………………………………………….

a) Epidermis

b) Mesophyll

c) Vascular tissue

d) All of them

MCQ.9): When the stomata feature of epidermis is present only on the upper surface then the leaf is known as

a) Epistomatic

b) Hypostomatic

c) Mesophytic

d) Chloroplasts

MCQ.10): In the dicot leaf, the guard cells are of ………………………………………………………………………….. Shaped.

a) Dumble shaped

b) Kidney shaped

c) Round shaped

d) Cylindrical shaped

 

Answer

1) a) Leaf

2) d) Apex

3) d) Petiole

4) c) Blade

5) b) Dichotomous venation

6) d) Stomata

7) d) Guard cells

8) d) All of them

9) a) Epistomatic

10) b) Kidney shaped


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