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Plant Physiology-2

Q.1
Example of monocarpic plant species is_________.

Citrus
Custard apple
Banana


Q.2
During aerobic respiration total ATPs formed__________.
8 ATPs
36 ATPs
10 ATPs


Q.3
Respiratory quotient for carbohydrates is__________.
1
0
2


Q.4
Site of light reaction during photosynthesis is________.
Stroma
Grana
Lysosomes


Q.5
Formation of two male gemmates from the generative nucleus is in________.
Embryo sac
Pollen tube
Anther


Q.6
Concentration of carbon dioxide in the atmosphere is_________.
0.3 %
0.03 %
0.003 %

Q.7
Light behaves as it is consists of tiny particles called_____________.

Quantum
Rays
Photons


Q.8
During aerobic and anaerobic respiration the process common to both.
Glycolysis
Pantose phosphate pathway
Kreb's cycle


Q.9
In animals and bacteria the end products of anaerobic respiration are___________.
Ethylalcohol and CO2
Lactic acid and CO2
Water and CO2


Q.10
In higher plants the end products of anaerobic respiration are__________.
Lactic acid and CO2
Ethylalcohol and CO2
Water and CO2


Q.11
The end product of Kreb's cycle is___________.
Citric acid
Co.A
Oxaloacetic acid


Q.12
Photosynthesis provide raw materials for______.
Kreb’s cycle
Respiration
Development


Q.13
In CAM plants the stomata remain close during day time to prevent loss of______.
Water
Mineral salts
Carbon dioxide


Q.14
The connecting link between glycolysis and Kreb's cycle is_______.
Citric acid
Oxaloacetic acid
Co.A


Q.15
Older leaves produced more endogenous hormone which results into enhanced leaf abscission.
GA3
Auxins
Abscissic acid


Q.16
The dormancy of light sensitive seeds (Red / White light) is broken by_______.
GA3
Cytokinins
Auxins


Q.17
Transport of auxins in roots is_________?
Lateral
Acropetal
Basipetal


Q.18
Element situated in the centre of phytol ring of the chlorophyll molecule_________.
Potassium
Calcium
Megnesium


Q.19
For every 10o C rise in temperature the rate of respiration_________.
Increase two times
Decrease
Increase three times


Q.20
The raw materials of photosynthesis are_________.
sugar and water
NADH and water
CO2 and water


Q.21
During Kreb’s cycle production of net ATP per turn_______.
One
Eleven
Four


Q.22
The photorespiration is observed in__________.
C4 plants
C3 plants
CAM plants


Q.23
Plant growth regulator induces maleness in cucurbits.
Cytokinins
Abscissic acid
Gibberellins


Q.24
The plant growth regulator gives plants a signal that they are under going physiological stress.
Cytokinins
Gibberellins
Abscissic acid


Q.25
Triple response of ethylene identified by___________.
H.H.Cousins
R.Gane
Dimitry N. Neljubow

Number of score out of 25 = Score in percentage =


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