Physiology TNPSC Group 1 Questions

Botany & Zoology

Physiology MCQ Questions

13.
Thigmonasty or seismonasty is the response of plant to
A.
sound
B.
smell
C.
touch
D.
All the above
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ANSWER :
C. touch
14.
Chloroplast are which coloured plastids
A.
Green
B.
Red
C.
Blue
D.
Orange
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ANSWER :
A. Green
15.
Chromoplast are which coloured plastids
A.
Red,blue,green
B.
yellow, red, orange
C.
yellow, red, green
D.
red,yellow, blue
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ANSWER :
B. yellow, red, orange
16.
Leucoplast are which coloured plastids
A.
Red
B.
Blue
C.
Green
D.
Colourless
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ANSWER :
D. Colourless
17.
Which is the correct equation for photosynthesis
A.
Carbon dioxide + Water --> Glucose + Water + Oxygen
B.
Carbon dioxide + Oxygen --> Glucose + Water
C.
Carbon dioxide --> Glucose
D.
Oxygen + Water --> Glucose + Water + Oxygen
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ANSWER :
A. Carbon dioxide + Water --> Glucose + Water + Oxygen
18.
In plants which pigment traps solar energy and converts it into electrical and chemical energy
A.
carotenoids
B.
Chlorophyll a
C.
Chlorophyll b
D.
All the above
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ANSWER :
B. Chlorophyll a