Welcome to your Plant Physiology
1.
The hormone responsible for phototropism and geotropism is
2.
A plant hormone related with inhibition of senescence is
3.
Osmosis involves diffusion of
4.
In the process of Osmosis in a cell:
5.
Cell division in plants is promoted by
7.
Positive geotropism is exhibited by
8.
A plant is kept in a dark cupbord for about 48 hours before conducting any experiment on photosynthesis to
9.
The phytohormone that prevents the germination of seeds is
10.
Which one of these reaction occurs during photosynthesis?
11.
The rate of photosynthesis is not affected by
12.
Which one of the following pairs is not correctly matched?
13.
When cell is fully turgid, which of the following will be zero?
14.
Water will be absorbed by the root hairs when:
15.
Which of the following is not an effect of ethylene?
16.
Which one of the following would not be a limiting factor for photosynthesis?
17.
In hot summer days, plant cooling is due to
18.
Which would do maximum harm to a tree?
19.
The specific function of light energy in the process of photosynthesis is to
20.
In the mechanism of opening and closing of stomata, the important factor is
21.
Compensation point means the condition
23.
A cell that lacks chloroplast does not
24.
To increase sugar production in sugarcanes, they are sprayed with
25.
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with
26.
Transpiration is very low during the storms due to
27.
Stomata open during the day and close at night because
28.
When a plant wilts, the sequence of events is as follows:
29.
Plants lose water by guttation when
30.
A phytohormone existing in gaseous state is
31.
Internodal elongation is associated with
32.
Marine fish when thrown under tap water bursts because of
33.
The production of starch and not glucose is often used as a measure of photosynthesis in leaves because
35.
Transpiration pull will be maximum under which of the following conditions?
36.
The phytohormone that helps in the germination of seeds is
37.
Which of the following regulate closure of stomata?
39.
Process of endosmosis stops
40.
Seeds when soaked in water imbibe in it because
42.
A plant hormone for inducing Morphogenesis in plant tissue culture is
43.
One of the synthetic auxin is
44.
Guttation is the elimination of excess of water from plants through
45.
If the rate of transpiration becomes more than the rate of photosynthesis, plants will
Superb