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MS
Biology
Leaf Structure - Set 1
Report
1 / 5
What is the main function of leaves in a plant?
Time limit:
00:01:00
To attract pollinators
To conduct photosynthesis
To transport water
To conduct cellular respiration
Difficulty Level:
Easy
Leaf Structure - Set 1
Report
2 / 5
The outer layer of a leaf is covered with waxy layer called
\(\underline{\hspace{2cm}}.\)
Time limit:
00:01:00
Guard cells
Stoma
Cuticle
Vein
Difficulty Level:
Easy
Leaf Structure - Set 1
Report
3 / 5
The diagram shows the structure of a leaf.
Which of the following structure is
correct
?
I
II
III
IV
(A)
Guard cells
Vascular bundle
Mesophyll cells
Epidermis
(B)
Guard cells
Epidermis
Vascular bundle
Mesophyll cells
(C)
Vascular bundle
Guard cells
Epidermis
Mesophyll cells
(D)
Epidermis
Mesophyll cells
Guard cells
Vascular bundle
Time limit:
00:01:00
A
B
C
D
Difficulty Level:
Easy
Leaf Structure - Set 1
Report
4 / 5
Which of the following is the
best
function of petioles in plants?
Time limit:
00:01:00
To give support to leaf
To hold the leaf in position directed to sunlight
Contain vessel which provide water and nutrient for the leaf
To provide leaf a strong resistance from winds
Difficulty Level:
Hard
Leaf Structure - Set 1
Report
5 / 5
Which of the following statement is
true
about spongy mesophyll?
I.
The cells are loosely arranged
II.
Air spaces allow for easy diffusion of water and carbon dioxide
III.
Large amount of stomata are placed
IV.
Has less number of chloroplast than palisade mesophyll
Time limit:
00:01:00
I & II
I & III
I, II & IV
I, III & IV
Difficulty Level:
Medium
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