31.
Sugarcane plants are usually propagated by vegetative means because

32.
According to Hill, isolated chloroplasts in the presence of light, water, and a suitable hydrogen acceptor

33.
Consider the following statements and choose the correct answer:
1. Soil gets heat energy from different sources such as solar radiation, decomposing organic matter and heat formed in the interior of earth
2. The temperature of soil is not affected by its colour and altitude of the land
3. Black soils absorb more heat than white soils
4. Sandy soils absorb more heat and radiate it out quickly at night than clay or loam soils

34.
The types of dissolution that may cause abscission include:

36.
The number of moles of substrate converted per minute by 1 mole of enzyme is called the

38.
Quantum migration occurs preferentially from