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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
Find the anabolic processes from the following
(A)
Photosynthesis
(B)
Protein synthesis
(C)
Both a and b
(D)
Digestion
Question-3
All the pigments are located in _____ membranes of chloroplast.
(A)
Stroma
(B)
Grana
(C)
Thylakoid
(D)
Starch granules
Question-4
How much energy is stored in the body of consumers?
(A)
10%
(B)
1%
(C)
100%
(D)
50%
Question-5
Find the chemosynthetic bacteria
(A)
Sulpher bacteria
(B)
Nitrifying bacteria
(C)
Both a and b
(D)
Soil bacteria
Question-6
Find the catabolic process from the following.
(A)
Photosynthesis
(B)
Respiration
(C)
Protein synthesis
(D)
(a) and (b)
Question-7
What is considered as the chief sign of life?
(A)
Metabolism
(B)
Anabolism
(C)
Catabolism
(D)
Photosynthesis
Question-8
The wavelength of light most absorbed during photosynthesis is
(A)
400 nm
(B)
500 nm
(C)
550 nm
(D)
660 nm
Question-9
Name the pigment seen in autotrophic bacteria.
(A)
Chlorophyll
(B)
Xanthophyll
(C)
Antho cyanin
(D)
Carotene
Question-10
How much light energy is absorbed by green plants during photosynthesis?
(A)
1%
(B)
10%
(C)
5%
(D)
15%
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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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