Match the column I with column II.

Match the column I with column II.
  1. $\mathrm{A}-(\mathrm{iii}), \mathrm{B}-(\mathrm{ii}), \mathrm{C}-(\mathrm{iv}), \mathrm{D}-(\mathrm{i})$
  2. A-(i), B-(ii), C-(iii),D-(iv)
  3. A-(ii), B-(iii), C-(i), D-(iv)
  4. A-(ii), B-(iii),C-(iv),D-(i)

Solution

Definitions:
1. Parasitism (ii, +-):
- One organism benefits, while the other is harmed.
- Example: Tick feeding on a dog.
2. Commensalism (iii, \(0+\)):
- One organism benefits, while the other is neither harmed nor benefited.
- Example: Orchids growing on trees.
3. Amensalism (iv, \(0-\)):
- One organism is harmed, while the other is unaffected.
- Example: Fungi producing antibiotics that kill bacteria.
4. Mutualism (i,++):
- Both organisms benefit.
- Example: Bees pollinating flowers.
Correct Match:
- (a) Parasitism \(\rightarrow\) (ii, +-)
- (b) Commensalism \(\rightarrow\) (iii, 0+)
- (c) Amensalism \(\rightarrow\) (iv, 0 -)
- (d) Mutualism \(\rightarrow(\mathrm{i},++)\)
Answer:
The correct option is (4):
- (a) \(\rightarrow \mathrm{ii}\)
- (b) \(\rightarrow\) iii
- \((c) \rightarrow\) iv
- \((d) \rightarrow i\)

Asked in: NEET 2020 (Phase 1)

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