NSO Level 1- Science Olympiad (SOF) Class 8: Questions 1042 - 1045 of 1175

Access detailed explanations (illustrated with images and videos) to 1175 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

Question 1042

Question

MCQ▾

Applying a layer of zinc on an article by electroplating is called

Choices

Choice (4)Response

a.

Galvanization

b.

Metal plating

c.

Anodizing

d.

Anodizing and Galvanization

Question 1043

Appeared in Year: 2012

Question

Match List-Ⅰ List-Ⅱ▾

Match Column-I with column-II and select the correct option from the codes given below.

List-Ⅰ (Column-1)List-Ⅱ (Column-2)
(A)

Shearing

(i)

Sheared hair are washed thoroughly to remove the impurities

(B)

Carding

(ii)

The Fleece of the sheep along with a thin layer of skin is removed.

(C)

Scouring

(iii)

Unwinding silk fibers from a cocoon

(D)

Reeling

(iv)

Wool fibers are passed through rollers to straighten the fibers.

Choices

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

a.

  • (iii)
  • (i)
  • (ii)
  • (iv)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (iii)
  • (i)
  • (iv)
  • (ii)

d.

  • (iv)
  • (ii)
  • (iii)
  • (i)

Question 1044

Question

MCQ▾

The device for determining the presence of electric charges is called

Choices

Choice (4)Response

a.

A periscope

b.

A microscope

c.

A telescope

d.

An electroscope

Question 1045

Question

MCQ▾

Sita and her mother reached a jewellery shop to purchase some ornaments. She liked a necklace very much but her mother told her not to purchase it because it is not real gold. When she checked the information tag, it was written that 1gm gold. The necklace was quite big and heavy. She was surprised to see it and asked about it. The sales man explained her that

Choices

Choice (4)Response

a.

It is made up of light weight gold.

b.

It is made up of 1 gm gold but water is filled inside.

c.

It is made up of copper and 1gm gold is applied on it by electroplating.

d.

It is made up of 1gm gold only and is hollow inside.

Developed by: