Welcome to your Plant Physiology
1.
Compensation point means the condition
4.
A cell that lacks chloroplast does not
5.
One of the synthetic auxin is
6.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
7.
The rate of photosynthesis is not affected by
9.
Internodal elongation is associated with
10.
In the process of Osmosis in a cell:
11.
In the mechanism of opening and closing of stomata, the important factor is
12.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
13.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
14.
The specific function of light energy in the process of photosynthesis is to
15.
Which one of these reaction occurs during photosynthesis?
16.
Marine fish when thrown under tap water bursts because of
18.
Seeds when soaked in water imbibe in it because
19.
The phytohormone that helps in the germination of seeds is
20.
A plant hormone related with inhibition of senescence is
21.
A plant hormone for inducing Morphogenesis in plant tissue culture is
22.
Water will be absorbed by the root hairs when:
23.
Transpiration pull will be maximum under which of the following conditions?
24.
The hormone responsible for phototropism and geotropism is
25.
Transpiration is very low during the storms due to
26.
Osmosis involves diffusion of
27.
When a plant wilts, the sequence of events is as follows:
28.
Which one of the following would not be a limiting factor for photosynthesis?
29.
Which of the following regulate closure of stomata?
31.
Which would do maximum harm to a tree?
32.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
33.
Guttation is the elimination of excess of water from plants through
34.
In hot summer days, plant cooling is due to
35.
Which one of the following pairs is not correctly matched?
36.
A phytohormone existing in gaseous state is
37.
Cell division in plants is promoted by
38.
The phytohormone that prevents the germination of seeds is
39.
Plants lose water by guttation when
40.
Stomata open during the day and close at night because
41.
Which of the following is not an effect of ethylene?
42.
Positive geotropism is exhibited by
43.
Process of endosmosis stops
44.
To increase sugar production in sugarcanes, they are sprayed with
45.
When cell is fully turgid, which of the following will be zero?
Superb