IGCSE Biology Paper-2: Specimen Questions with Answers 74 - 76 of 103

Question number: 74

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MCQ▾

Question

what is the main feature of vertebrates.

Choices

Choice (4) Response

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 number: 75

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Match List-Ⅰ List-Ⅱ▾

Question

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) Response
  • (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 B1 deficiency. Cholecalciferol is vitamin D3, 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.

Question number: 76

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MCQ▾

Question

Silent valley is located at-

Choices

Choice (4) Response

a.

Hyderabad

b.

Jammu and Kashmir

c.

Kerala

d.

Bangalore

Answer

c.

Explanation

Silent Valley National Park is a national park with a core zone of 236.74 square km. it is the largest national park in Kerala. It is located in the Nilgiri Hills, within the Palakkad District of Kerala, South India.