NSO Level 1- Science Olympiad (SOF) Class 7: Questions 245 - 249 of 593

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Question number: 245

» Fibre to Fabric

Edit
MCQ▾

Question

The following picture depicts the process of ________

Picture depicts the process

Picture Depicts the Process

Picture depicts the process

Choices

Choice (4) Response

a.

Wool Shearing

b.

Silk worm Cultivation

c.

Silk harvesting

d.

All of the above

Question number: 246

» Nutrition in Plants and Animals

Edit
MCQ▾

Question

Read the following statements and select the correct option about large intestine.

The large intestine

The Large Intestine

The large intestine

Choices

Choice (4) Response

a.

It absorbs water from the indigestible food.

b.

It absorbs nutrients from the indigestible food.

c.

It transmits the useless waste material to be ejected out of body.

d.

Both a. and c. are correct

Question number: 247

» Physical and Chemical Changes

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match column I with column II. Select the correct option which has the correct pairs.

List-Ⅰ (Metal) List-Ⅱ (Color Produced When Burnt)

(A)

Manganese (Mn)

(i)

Intense white

(B)

Potassium (K)

(ii)

Crimson red

(C)

Lithium (Li)

(iii)

Yellowish green.

(D)

Magnesium (Mg)

(iv)

Lilac

Choices

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

a.

  • (iv)
  • (ii)
  • (iii)
  • (i)

b.

  • (i)
  • (iv)
  • (ii)
  • (iii)

c.

  • (iii)
  • (iv)
  • (ii)
  • (i)

d.

  • (iv)
  • (i)
  • (iii)
  • (ii)

Question number: 248

» Fibre to Fabric

Edit
MCQ▾

Question

Which of the following factors decide the quality of silk?

Choices

Choice (4) Response

a.

Lustre

b.

Burn test

c.

Friction

d.

All a. , b. and c. are correct

Question number: 249

» Acids, Bases and Salts

Edit
MCQ▾

Question

The pH value for water is

Choices

Choice (4) Response

a.

9

b.

7

c.

6.5

d.

4

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