Welcome to your Plant Physiology
1.
Positive geotropism is exhibited by
2.
In the process of Osmosis in a cell:
3.
The rate of photosynthesis is not affected by
4.
Plants lose water by guttation when
5.
When a plant wilts, the sequence of events is as follows:
6.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
7.
Which would do maximum harm to a tree?
8.
Seeds when soaked in water imbibe in it because
9.
Water will be absorbed by the root hairs when:
10.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
12.
One of the synthetic auxin is
13.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
14.
A plant hormone related with inhibition of senescence is
15.
When cell is fully turgid, which of the following will be zero?
16.
Transpiration pull will be maximum under which of the following conditions?
17.
Which one of the following pairs is not correctly matched?
18.
Which one of the following would not be a limiting factor for photosynthesis?
20.
In the mechanism of opening and closing of stomata, the important factor is
21.
A cell that lacks chloroplast does not
22.
Osmosis involves diffusion of
23.
Internodal elongation is associated with
24.
The phytohormone that prevents the germination of seeds is
26.
Compensation point means the condition
27.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
28.
Stomata open during the day and close at night because
29.
The hormone responsible for phototropism and geotropism is
30.
Process of endosmosis stops
31.
A plant hormone for inducing Morphogenesis in plant tissue culture is
33.
Guttation is the elimination of excess of water from plants through
34.
Cell division in plants is promoted by
35.
In hot summer days, plant cooling is due to
36.
Which of the following regulate closure of stomata?
37.
Which of the following is not an effect of ethylene?
38.
A phytohormone existing in gaseous state is
39.
The specific function of light energy in the process of photosynthesis is to
40.
The phytohormone that helps in the germination of seeds is
41.
To increase sugar production in sugarcanes, they are sprayed with
43.
Marine fish when thrown under tap water bursts because of
44.
Which one of these reaction occurs during photosynthesis?
45.
Transpiration is very low during the storms due to
