IGCSE Biology Paper-2: Specimen Questions with Answers 74 - 75 of 203

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Question 74

Question

MCQ▾

what is the main feature of vertebrates.

Choices

Choice (4)

a.

Small and slow moving.

b.

The animals without backbone

c.

Have a brain as part of their central nervous system

d.

Respiration is through skin

Answer

c.

Explanation

Vertebrates make up the largest group of animals in the chordate phylum. They include jawless fish, amphibians, reptiles, birds and mammals. Vertebrates have different characteristics like endoskeleton made up of bones and cartilage. Backbones that protects the spinal cord and skull protect the brain.

Question 75

Question

Match List-Ⅰ List-Ⅱ▾

Match the contents of list 1 with the list 2.

List-Ⅰ (Name of Fruits)List-Ⅱ (Name of Vitamin)
(A)

Anti hemorrhagic vitamin

(i)

Vitamin E

(B)

Cholecalciferol

(ii)

Vitamin D

(C)

Anti sterility vitamin

(iii)

Vitamin K

(D)

Bariberi

(iv)

Related to vitamin B

Choices

Choice (4)
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iv)
  • (ii)
  • (iii)

b.

  • (iii)
  • (ii)
  • (iv)
  • (i)

c.

  • (iii)
  • (ii)
  • (i)
  • (iv)

d.

  • (iii)
  • (i)
  • (ii)
  • (iv)

Answer

c.

Explanation

Beri beri is a disease caused by vitamin B-1 deficiency. Cholecalciferol is vitamin D-3, which is a fat-soluble vitamin that helps body to absorb calcium and phosphorus. Anti-sterility vitamin and antiheamorrhagic vitamins are related to vitamin E and vitamin K.

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