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MEDIUM
ENGLISH
Biology
Receptors for hearing come under heading of___________?
A
Chemical
Option A
B
Mechanical
Option B
C
Photo
Option C
D
Nociceptors
Option D
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MEDIUM
ENGLISH
Biology
Which of the following feature is not related to neuron?
A
Conduction
Option A
B
Regeneration
Option B
C
Reflex
Option C
D
Movement
Option D
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MEDIUM
ENGLISH
Biology
Which of the following is a chemical link between catabolism and anabolism?
A
AMP
Option A
B
ADP
Option B
C
ATP
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.
A
Organic
Option A
B
Energy rich
Option B
C
Energy poor
Option C
D
Reduced
Option D
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MEDIUM
ENGLISH
Biology
C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:____________?
A
Photosynthesis
Option A
B
Aerobic respiration
Option B
C
Anaerobic respiration
Option C
D
Respiration
Option D
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MEDIUM
ENGLISH
Biology
Bacteriochlorophylls does not include________________?
A
Chlorophyll e
Option A
B
Chlorophyll d
Option B
C
Chlorophyll a
Option C
D
Chlorophyll c
Option D
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MEDIUM
ENGLISH
Biology
At which times there is no net gaseous exchange between leaves and the atmosphere.
A
Day time.
Option A
B
Night time.
Option B
C
Dawn & Dusk.
Option C
D
Mid night.
Option D
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MEDIUM
ENGLISH
Biology
Molecular formula of chlorophyll b is_____________?
A
C55 H10 O4 N6 Mg
Option A
B
C55 H70 O6 N5 Mg
Option B
C
C55 H71 O6 N4 Mg
Option C
D
C55 H70 O6 N4 Mg
Option D
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MEDIUM
ENGLISH
Biology
Which of the following is a compensation point:
A
Leaves respire and utilize O2 and release CO2.
Option A
B
Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.
Option B
C
Rate of photosynthesis increases, so do the O2 production, with a net release of oxygen coupled with the uptake of CO2.
Option C
D
Rate of respiration becomes more than rate of photosynthesis.
Option D
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MEDIUM
ENGLISH
Biology
Quantitative study of energy relationships in biological systems obeys.
A
Bioenergetics
Option A
B
Laws of thermodynamics
Option B
C
Laws of thermo chemistry
Option C
D
Laws of chemical energetic
Option D
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MEDIUM
ENGLISH
Biology
The organisms able to use sunlight directly as a source of energy are_____________?
A
Plants
Option A
B
Animals
Option B
C
Omnivores
Option C
D
Fungi
Option D
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MEDIUM
ENGLISH
Biology
Carotenoids perform protective function in_____________?
A
Animals
Option A
B
Plants
Option B
C
Both of these
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Of the following which one is not an energy releasing process?
A
Glycolysis
Option A
B
Respiration
Option B
C
Photosynthesis
Option C
D
Kreb’s cycle
Option D
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MEDIUM
ENGLISH
Biology
About __________ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds?
A
10%
Option A
B
20%
Option B
C
30%
Option C
D
40%
Option D
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MEDIUM
ENGLISH
Biology
Net yield of H2O in Photosynthesis is__________?
A
1 molecule
Option A
B
6 molecules
Option B
C
3 molecules
Option C
D
0 molecule
Option D
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MEDIUM
ENGLISH
Biology
The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________?
A
Neutral point
Option A
B
Compensation point
Option B
C
Parallel point
Option C
D
Competitive point
Option D
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MEDIUM
ENGLISH
Biology
Air contains __________ % of CO2 ?
A
0.02-0.03
Option A
B
0.03-0.04
Option B
C
0.04-0.05
Option C
D
0.05-0.06
Option D
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MEDIUM
ENGLISH
Biology
Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on___________?
A
Bacteria
Option A
B
Algae
Option B
C
Protenema
Option C
D
Cyanobacteria
Option D
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MEDIUM
ENGLISH
Biology
PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?
A
600
Option A
B
650
Option B
C
680
Option C
D
700
Option D
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MEDIUM
ENGLISH
Biology
Visible light used in photosynthesis ranges from:__________?
A
300 – 700 nm in wavelength
Option A
B
350 – 750 nm in wavelength
Option B
C
380 – 750 nm in wavelength
Option C
D
390 – 790 nm in wavelength.
Option D
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