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Biology Class 11 Chapter 11 - Bioenergetics - Test 6
1.
The quantitative study of energy relationships and energy conversions in biological system is called?
a) Bioconversion
b) Biochemistry
c) Bioenergetics
d) Bioenergy
2.
Biological energy transformations obey the laws of?
a) Heat
b) Charge
c) Thermodynamics
d) Energy
3.
All life on this earth is directly or indirectly, powered by?
a) Tides
b) Waves
c) Solar energy
d) Thermal energy
4.
Which of the following capture solar energy?
a) Mitochondria
b) Ribosome’s
c) Stomata
d) Chloroplast
5.
With the emergence of______, molecular oxygen began to accumulate slowly in the atmosphere?
a) Respiration
b) Photosynthesis
c) Reduction
d) Hydration
6.
The presence of free oxygen made possible to evolution of________?
a) Respiration
b) Photosynthesis
c) Reduction
d) Hydration
7.
__________ releases great deal of energy?
a) Respiration
b) Photosynthesis
c) Reduction
d) Hydration
8.
________ is a chemical link between catabolism and anabolism?
a) Respiration
b) Photosynthesis
c) ATP
d) Hydration
9.
Photosynthesis provides carbohydrate substrates,______?
a) Glycolysis
b) Respiration
c) Reduction
d) Hydration
10.
The process in which energy-poor inorganic oxidized compounds are reduced to energy-rich compounds is called?
a) Respiration
b) Photosynthesis
c) Reduction
d) Hydration
11.
In photosynthesis which of which compounds are oxidized?
a) Carbon
b) Hydrogen
c) Both
d) Oxygen
12.
Chemical equation of photosynthesis is exactly equal to?
a) Respiration
b) Oxygenation
c) Aerobic respiration
d) Anaerobic respiration
13.
Which of the following only occurs during day light?
a) Respiration
b) Photosynthesis
c) Reduction
d) Hydration
14.
When the rate of photosynthesis is equal to rate of respiration?
a) At noon
b) At midnight
c) At dawn and dusk
d) In rain
15.
The condition when photosynthesis and respiration are occurring at same level is called?
a) Giving-off point
b) Compensation point
c) Reduction point
d) No-gain point
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