set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 1 EXERCISES
The following question based on photosynthesis topic of general science mcq
(a) Sulphur dioxide
(b) Chlorine
(c) Carbon dioxide
(d) Ammonia
The correct answers to the above question in:
Answer: (c)
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Read more biology photosynthesis Based General Science Questions and Answers
Question : 1
Which of the following types of light are strongly absorbed by plants?
a) Yellow and violet
b) Indigo and yellow
c) Blue and red
d) Violet and orange
Answer »Answer: (c)
Question : 2
What rays of sunlight are mostly utilized by chlorophyll in photosynthesis?
a) Blue
b) Green
c) Yellow
d) Red
Answer »Answer: (d)
Question : 3
Which one of the following gases is essential for photosynthesis process?
a) O2
b) N2
c) CO2
d) CO
Answer »Answer: (c)
Question : 4
Photosynthesis occurs in
a) Only day
b) Day or night
c) Day and night
d) Night
Answer »Answer: (b)
Question : 5
The process by which plants synthesize their food is called
a) Plasmolysis
b) Photosynthesis
c) Respiration
d) Osmosis
Answer »Answer: (b)
Question : 6
Which one of the following does not increase the amount of carbon dioxide in carbon cycle on earth?
a) Volcanic action
b) Decay of organic matter
c) Photosynthesis
d) Respiration
Answer »Answer: (c)
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