For the following questions answer them individually
Observe the following lists and match correct combinations.
Correct answer of A,B,C,D and E is
Assertion (A): 'SRI' in SRI vari is 'System of Rice Intensification'.
Reason (R): Any rice variety can be cultivated as semi arid using less amount of seed and less water.
Assertion (A): Conversion of solid nitrates $$(NO3^-)$$ into gaseous Nitrogen($$N_2$$) by bacteria is called denitrification.
Reason (R): Denitrifying bacteria grow in wet soils.
Assertion (A): Fewer the steps in the food chain, more energy will flow to the species of higher trophic level.
Reason (R): Energy loss during transformation from one tropic level to the next will be minimized.
Study the following pyramids of numbers and identify the shape of the pyramid.
A) Banyan tree $$\rightarrow$$ Insects $$\rightarrow$$ Parasites on insects
B) Grass plants $$\rightarrow$$ Rabbits $$\rightarrow$$ Wolf
Choose the living organisms that are being used as biocontrol agents.
I. Bacillus thuringiensis
II. Trichoderma
III. Dragon fly
IV. Tungro virus