Welcome to your Plant Physiology
1.
In the process of Osmosis in a cell:
2.
A cell that lacks chloroplast does not
3.
Which would do maximum harm to a tree?
4.
Which one of the following pairs is not correctly matched?
5.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
6.
When cell is fully turgid, which of the following will be zero?
7.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
9.
Water will be absorbed by the root hairs when:
10.
Stomata open during the day and close at night because
11.
Seeds when soaked in water imbibe in it because
13.
In the mechanism of opening and closing of stomata, the important factor is
14.
The rate of photosynthesis is not affected by
15.
To increase sugar production in sugarcanes, they are sprayed with
16.
The phytohormone that helps in the germination of seeds is
17.
Marine fish when thrown under tap water bursts because of
18.
One of the synthetic auxin is
19.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
20.
A phytohormone existing in gaseous state is
21.
Which one of the following would not be a limiting factor for photosynthesis?
23.
Which of the following regulate closure of stomata?
24.
The hormone responsible for phototropism and geotropism is
25.
Cell division in plants is promoted by
27.
When a plant wilts, the sequence of events is as follows:
28.
A plant hormone related with inhibition of senescence is
29.
Positive geotropism is exhibited by
30.
Osmosis involves diffusion of
31.
Process of endosmosis stops
33.
Transpiration pull will be maximum under which of the following conditions?
34.
The phytohormone that prevents the germination of seeds is
35.
Which of the following is not an effect of ethylene?
36.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
37.
Which one of these reaction occurs during photosynthesis?
38.
Internodal elongation is associated with
39.
The specific function of light energy in the process of photosynthesis is to
40.
In hot summer days, plant cooling is due to
41.
Compensation point means the condition
42.
Guttation is the elimination of excess of water from plants through
43.
Plants lose water by guttation when
44.
Transpiration is very low during the storms due to
45.
A plant hormone for inducing Morphogenesis in plant tissue culture is
Superb