Q10 of 32 Page 201

Some of the problems that have come in the wake of green revolution are:

• Green evolution is related with the use of hybrid plants which were more efficient in uptaking nutrients and water, even from great depth sites.


• This lead to nutrients depletion, and led to barren soils.


• Moreover use of fertilizers and pesticides also contributed in soil infertility. And led to soil erosion and desertification.

More from this chapter

All 32 →
8

If a radiolabel is used to tag a DNA molecule, the technique used to localise would be

 9

An inverted Pyramid of biomass is represented by:

 1

Right two important conditions of MTP to avoid its misuse.

 2

Which of the following are homologous or analogous (Indicate H for homologous and A for Analogous)

a. Wing of bat and butterfly _________


b. Wing of bat and flipper of whale ______


c. Wing of butterfly and flipper of whale __________


d. Flipper of whale and wing of bird _________