Q19 / 180 · NEET 2020 (Phase 2) · Botany

Match the following:

(a) Aquaporin (i) Amide
(b) Asparagine (ii) Polysaccharide
(c) Abscisic acid (iii) Polypeptide
(d) Chitin (iv) Carotenoids

Select the correct option:

  • Correct answer
    A
    (a)-(iii),(b)-(i),(c)-(iv),(d)-(ii)
  • B
    (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
  • C
    (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
  • D
    (a)-(iii), (b)-(i), (c) -(ii), (d)-(iv)

Solution

Aquaporins are protein ion channels that facilitate the transport of water. Thus, chemically they are polypeptide in nature.

Asparagine is an amino acid with -CONH2 group in the side chain. Thus, it is chemically an amide.

Chitin is a mucopolysaccharide of the monomer N-acetylglucosamine. It is found in the cell wall of fungi and in the exoskeleton of arthropods.

Abscisic acid (ABA), synthesised in response to water stress, is an apocarotenoid.

Hence, the correct answer is option: 'A'.

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