NSO Level 1- Science Olympiad (SOF) Class 10: Questions 284 - 286 of 986

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Question number: 284

» Heredity and Evolution

Edit
MCQ▾

Question

Gregor Mendel choose peas for his experiments because

Choices

Choice (4)Response

a.

Simple pattern of heredity

b.

Control their pollination

c.

Grow easily

d.

All a. , b. and c. are correct

Question number: 285

» Human Eye and Colourful World

Edit
MCQ▾

Question

Which of the following is not correct for secondary rainbow?

Choices

Choice (4)Response

a.

Secondary rainbows are not as bright as primary rainbows

b.

Color scheme of the secondary rainbow is same of the primary rainbow

c.

Red light from the lower drop enters the observer’s eye and violet light is not seen

d.

Question does not provide sufficient data or is vague

Question number: 286

» Human Eye and Colourful World

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the column I and column II and the select the correct option from the coded given below:

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

Ciliary muscles

(i)

Contracts and extends in order to change the lens shape for focusing

(B)

Optic nerve

(ii)

Transmits electrical signals to the brain

(C)

Aqueous humour

(iii)

Provides power to the cornea

(D)

Retina

(iv)

Captures the light rays focused by the lens and sends impulses to the brain via optic nerve

Choices

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

a.

  • (iv)
  • (iii)
  • (ii)
  • (i)

b.

  • (i)
  • (iii)
  • (iv)
  • (ii)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

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