Plant Anatomy And Physiology - Study Mode
[#816] Plasticity in plant growth means that
Correct Answer
(B) plant development is dependent on the environment
[#817] Alternaria blights of cereals, vegetables and fruit crops are controlled by
Correct Answer
(A) Diathane M-22 and Diathane S-37
[#818] In the microspore, the outer variously sculptured layer, sexine remains attached to the nexine by means of
Correct Answer
(C) Bacula
[#819] A plant hormone used for inducing morphogenesis in plant tissue culture is
Correct Answer
(C) cytokinin
[#820] Consider the following statements and choose the correct answer: 1. Average density of soil is 2.65 gms. per ml. 2. The spaces present between soil particles in a given volume of soil are called pore spaces 3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil 4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition
Correct Answer
(C) Only 1, 2 and 4 are true