Welcome to your Plant Physiology
1.
Seeds when soaked in water imbibe in it because
2.
The phytohormone that helps in the germination of seeds is
3.
When cell is fully turgid, which of the following will be zero?
5.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
6.
Which one of the following would not be a limiting factor for photosynthesis?
7.
Plants lose water by guttation when
8.
Which would do maximum harm to a tree?
10.
When a plant wilts, the sequence of events is as follows:
11.
Transpiration pull will be maximum under which of the following conditions?
12.
Guttation is the elimination of excess of water from plants through
14.
A phytohormone existing in gaseous state is
15.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
17.
Positive geotropism is exhibited by
18.
The rate of photosynthesis is not affected by
19.
To increase sugar production in sugarcanes, they are sprayed with
20.
A cell that lacks chloroplast does not
21.
Water will be absorbed by the root hairs when:
22.
Osmosis involves diffusion of
23.
A plant hormone related with inhibition of senescence is
24.
Internodal elongation is associated with
25.
Cell division in plants is promoted by
26.
In the process of Osmosis in a cell:
27.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
28.
A plant hormone for inducing Morphogenesis in plant tissue culture is
29.
Stomata open during the day and close at night because
30.
Which one of the following pairs is not correctly matched?
31.
Which one of these reaction occurs during photosynthesis?
32.
Transpiration is very low during the storms due to
33.
One of the synthetic auxin is
34.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
35.
Process of endosmosis stops
36.
The specific function of light energy in the process of photosynthesis is to
37.
In the mechanism of opening and closing of stomata, the important factor is
38.
The phytohormone that prevents the germination of seeds is
40.
The hormone responsible for phototropism and geotropism is
41.
Which of the following is not an effect of ethylene?
42.
Compensation point means the condition
43.
Which of the following regulate closure of stomata?
44.
Marine fish when thrown under tap water bursts because of
45.
In hot summer days, plant cooling is due to
