Class 9 Biology · Chapter 8 · Test 6
Bioenergetics Board Test
25 MCQs covering the complete chapter with emphasis on textbook exercise concepts.
26 questions · 20 min · 26 marks
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Sample questions
The first 5 of 26. Try each one, then tap to see the answer.
Question 1
When we get energy from ATP which bonds are broken?
- AP-P bonds
- BC-H bonds
- CC-N bonds
- DC-O bonds
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Answer: A
Energy is released when the high-energy phosphate bond of ATP is broken.
Question 2
Light reactions of photosynthesis occur in:
- APlasma membrane
- BCytoplasm
- CStroma of chloroplasts
- DThylakoids of chloroplasts
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Answer: D
The light reactions occur on the thylakoid membranes of chloroplasts.
Question 3
Which type of chlorophyll is most common in plants?
- AChlorophyll a
- BChlorophyll b
- CChlorophyll c
- DChlorophyll d
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Answer: A
Chlorophyll-a is the main photosynthetic pigment in plants.
Question 4
Which wavelengths of light are absorbed maximum by chlorophylls?
- AGreen and blue
- BGreen and red
- CRed and blue
- DOnly green
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Answer: C
Chlorophylls absorb red and blue light effectively for photosynthesis.
Question 5
ATP stands for:
- AAdenosine triphosphate
- BAdenine triphosphate
- CAdenosine diphosphate
- DAdenine diphosphate
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Answer: A
ATP stands for adenosine triphosphate.
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