Welcome to your Plant Physiology
1.
Which one of the following pairs is not correctly matched?
2.
In hot summer days, plant cooling is due to
4.
A plant hormone for inducing Morphogenesis in plant tissue culture is
5.
The rate of photosynthesis is not affected by
6.
Transpiration pull will be maximum under which of the following conditions?
7.
Transpiration is very low during the storms due to
8.
Guttation is the elimination of excess of water from plants through
9.
Which of the following regulate closure of stomata?
11.
In the mechanism of opening and closing of stomata, the important factor is
12.
The phytohormone that prevents the germination of seeds is
13.
The hormone responsible for phototropism and geotropism is
14.
A cell that lacks chloroplast does not
15.
Process of endosmosis stops
17.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
18.
Compensation point means the condition
19.
The phytohormone that helps in the germination of seeds is
20.
Which one of these reaction occurs during photosynthesis?
21.
A plant hormone related with inhibition of senescence is
22.
In the process of Osmosis in a cell:
23.
Which one of the following would not be a limiting factor for photosynthesis?
24.
The specific function of light energy in the process of photosynthesis is to
25.
When a plant wilts, the sequence of events is as follows:
26.
A phytohormone existing in gaseous state is
28.
Stomata open during the day and close at night because
29.
Positive geotropism is exhibited by
30.
Osmosis involves diffusion of
31.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
32.
One of the synthetic auxin is
33.
Internodal elongation is associated with
34.
Which of the following is not an effect of ethylene?
35.
When cell is fully turgid, which of the following will be zero?
36.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
38.
Cell division in plants is promoted by
39.
Which would do maximum harm to a tree?
40.
Seeds when soaked in water imbibe in it because
41.
To increase sugar production in sugarcanes, they are sprayed with
42.
Plants lose water by guttation when
43.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
44.
Marine fish when thrown under tap water bursts because of
45.
Water will be absorbed by the root hairs when:
Superb