NSO Level 1- Science Olympiad (SOF) Class 10: Questions 473 - 477 of 986

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Question number: 473

» Human Eye and Colourful World

Edit
MCQ▾

Question

Read the given statements and mark the correct option

Statement 1: The change in the focal length of human eye is caused due to Ciliary muscles

Statement 2: The image formed by retina of human eye is Virtual and erect

Choices

Choice (4) Response

a.

Only statement 1 is correct

b.

Statement 1 and 2 is correct

c.

Statement 1 and 2 is incorrect

d.

Only statement 2 is correct

Question number: 474

» Reproduction in Organisms

Edit
MCQ▾

Question

The stage at which there is a gradual change in structure of reproductive organs in human male and female is called

Choices

Choice (4) Response

a.

Puberty

b.

Spermatogenesis

c.

Oogenesis

d.

Menarche

Question number: 475

» Electricity

Edit
MCQ▾

Question

Filament of an electric bulb is made up of tungsten metal because of

Choices

Choice (4) Response

a.

Low melting point

b.

Low resistivity

c.

Burn even at higher temperature

d.

All of the above

Question number: 476

» Reproduction in Organisms

Edit
MCQ▾

Question

Syphilis is a sexually transmitted infection caused by the bacteria

Choices

Choice (4) Response

a.

Francis Ella tularensis

b.

Treponema palladium

c.

Bacillus anthracis

d.

Mycobacterium leprae

Question number: 477

» 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 (Parts Of The Human Eye) List-Ⅱ (Function)

(A)

Vitreous humour

(i)

Provides the eye its form and shape

(B)

Conjunctiva

(ii)

Covers the outer surface (visible part) of the eye

(C)

Aqueous humour

(iii)

Provides power to the cornea

(D)

Crystalline lens

(iv)

Helps to focus light into the retina

Choices

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

a.

  • (iv)
  • (ii)
  • (iii)
  • (i)

b.

  • (iv)
  • (iii)
  • (ii)
  • (i)

c.

  • (i)
  • (ii)
  • (iii)
  • (iv)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

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