MCQ
Latest trend in plant disease control is:
- AChemical control
- BBiological control
- CGood manure and fertilizer
- DBreeding for disease resistance
Explanation:
Integrated pest management (IPM) is the programme which particularly focuses on agricultural crop diseases and its management. According to It, the use of biological control agent or other living organisms can control the plant diseases. Biological control is environment-friendly and effective against a broad range of insect pests and relatively easy to adopt.
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$(a)$ High fertility rate
$(b)$ Rapidly rising mortality rate
$(c)$ Very young age distribution
$(d)$ Rapid population growth
$(e)$ Rapidly falling mortality rate
$(f)$ Very old age distribution
| List $- I$ | List $- II$ |
| $(a)$ Adaptive radiation | $(i)$ Selection of resistant varieties due to excessive use of herbicides and pesticides |
| $(b)$ Convergent evolution | $(ii)$ Bones of forelimbs in Man and Whale |
| $(c)$ Divergent evolution | $(iii)$ Wings of Butterfly and Bird |
| $(d)$ Evolution by anthropogenic action | $(iv)$ Darwin Finches |
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$