Welcome to your Plant Physiology
1.
In the process of Osmosis in a cell:
2.
The phytohormone that helps in the germination of seeds is
3.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
4.
Internodal elongation is associated with
5.
The phytohormone that prevents the germination of seeds is
6.
A cell that lacks chloroplast does not
7.
Process of endosmosis stops
8.
When cell is fully turgid, which of the following will be zero?
9.
Osmosis involves diffusion of
10.
Transpiration pull will be maximum under which of the following conditions?
12.
Water will be absorbed by the root hairs when:
13.
Cell division in plants is promoted by
14.
Which of the following is not an effect of ethylene?
16.
One of the synthetic auxin is
17.
Which one of these reaction occurs during photosynthesis?
18.
Seeds when soaked in water imbibe in it because
19.
A plant hormone for inducing Morphogenesis in plant tissue culture is
20.
Stomata open during the day and close at night because
21.
A plant hormone related with inhibition of senescence is
23.
The rate of photosynthesis is not affected by
24.
Marine fish when thrown under tap water bursts because of
26.
Which one of the following would not be a limiting factor for photosynthesis?
27.
In hot summer days, plant cooling is due to
28.
Positive geotropism is exhibited by
29.
The specific function of light energy in the process of photosynthesis is to
30.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
31.
To increase sugar production in sugarcanes, they are sprayed with
32.
Which of the following regulate closure of stomata?
34.
Which one of the following pairs is not correctly matched?
35.
Compensation point means the condition
36.
Which would do maximum harm to a tree?
37.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
38.
The hormone responsible for phototropism and geotropism is
39.
Transpiration is very low during the storms due to
40.
In the mechanism of opening and closing of stomata, the important factor is
41.
A phytohormone existing in gaseous state is
42.
When a plant wilts, the sequence of events is as follows:
43.
Plants lose water by guttation when
44.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
45.
Guttation is the elimination of excess of water from plants through
