Welcome to your Plant Physiology
1.
A cell that lacks chloroplast does not
2.
The specific function of light energy in the process of photosynthesis is to
3.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
4.
Water will be absorbed by the root hairs when:
6.
Transpiration is very low during the storms due to
7.
One of the synthetic auxin is
8.
A plant hormone for inducing Morphogenesis in plant tissue culture is
9.
The phytohormone that prevents the germination of seeds is
11.
Positive geotropism is exhibited by
12.
A phytohormone existing in gaseous state is
13.
Cell division in plants is promoted by
14.
In the mechanism of opening and closing of stomata, the important factor is
15.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
16.
When cell is fully turgid, which of the following will be zero?
17.
Compensation point means the condition
18.
In hot summer days, plant cooling is due to
19.
Guttation is the elimination of excess of water from plants through
21.
Internodal elongation is associated with
22.
Seeds when soaked in water imbibe in it because
23.
Osmosis involves diffusion of
24.
When a plant wilts, the sequence of events is as follows:
25.
Which one of the following would not be a limiting factor for photosynthesis?
27.
The rate of photosynthesis is not affected by
28.
Process of endosmosis stops
29.
To increase sugar production in sugarcanes, they are sprayed with
30.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
31.
The phytohormone that helps in the germination of seeds is
32.
Which one of the following pairs is not correctly matched?
33.
Plants lose water by guttation when
35.
Which of the following is not an effect of ethylene?
36.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
37.
Marine fish when thrown under tap water bursts because of
38.
In the process of Osmosis in a cell:
39.
A plant hormone related with inhibition of senescence is
40.
Which one of these reaction occurs during photosynthesis?
41.
Which of the following regulate closure of stomata?
42.
The hormone responsible for phototropism and geotropism is
43.
Stomata open during the day and close at night because
44.
Transpiration pull will be maximum under which of the following conditions?
45.
Which would do maximum harm to a tree?
Superb