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Question-1
Note the relation between the first two words and fill in the blank.
Chlorophyll a: CH
3
…. Chlorophyll b : _____
(A)
CHO
(B)
CH
2
OH
(C)
COOH
(D)
C
2
H
5
Question-2
Which rays of visible light are absorbed by chlorophyll ‘a’ and chlorophyll ‘b’?
(A)
Blue
(B)
Red
(C)
a and b
(D)
Violet
Question-3
Find the catabolic process from the following.
(A)
Photosynthesis
(B)
Respiration
(C)
Protein synthesis
(D)
(a) and (b)
Question-4
Name the pigments of chloroplast
(A)
Chlorophyll a
(B)
Chlorophyll b
(C)
Xanthophyll
(D)
All the above
Question-5
What is considered as the chief sign of life?
(A)
Metabolism
(B)
Anabolism
(C)
Catabolism
(D)
Photosynthesis
Question-6
Which pigment gives yellow, orange and brown colours to leaves?
(A)
Carotenoids
(B)
Anthocyanine
(C)
Xanthophyll
(D)
Chlorophyll
Question-7
Bacterial photosynthesis does not show
(A)
Utilization of energy
(B)
Formation of organic product
(C)
Evolution of oxygen
(D)
Involvement of pigments
Question-8
Find the anabolic processes from the following
(A)
Photosynthesis
(B)
Protein synthesis
(C)
Both a and b
(D)
Digestion
Question-9
How much light energy is absorbed by green plants during photosynthesis?
(A)
1%
(B)
10%
(C)
5%
(D)
15%
Question-10
The wavelength of light most absorbed during photosynthesis is
(A)
400 nm
(B)
500 nm
(C)
550 nm
(D)
660 nm
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Std 9
Kerala (English Medium)
Practice in Related Chapters
For Obtaining Energy
The mystery of growth
Towards a Healthy Life
The Continuity Of Life
Circulatory Pathways
Movement and Locomotion
The Sign of Life
The Chemical Changes of Food
Food for the Living World
Beyond the Sense of Taste
Tissue to Tissue
Protectors of Biosphere
Food Through Digestive Tract
Simple Nutrients into Cells
Breathing for Energy
Excretion to Maintain Homeostatis
The Biology of Movement
Division for Growth and Reproduction
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