NSO Level 1- Science Olympiad (SOF) Class 10: Questions 974 - 978 of 986

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Question 974

Question

MCQ▾

Excessive exposure of humans to UV-rays results in

(i) Damage to immune system

(ii) Damage to lungs

(iii) Skin cancer

(iv) Peptic ulcers

Choices

Choice (4)Response

a.

(i) and (iii)

b.

(i) and (ii)

c.

(iii) and (iv)

d.

(ii) and (iv)

Question 975

Question

MCQ▾

Out of , which solution has higher value of pH?

Choices

Choice (4)Response

a.

b.

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question 976

Question

Match List-Ⅰ List-Ⅱ▾

Match both the column and mark the correct option from the codes given below.

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

(i)

Decomposition

(B)

(ii)

Combination

(C)

(iii)

Reduction

(D)

(iv)

Double Displacement

Choices

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

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (iii)
  • (i)
  • (iv)
  • (ii)

c.

  • (i)
  • (iv)
  • (ii)
  • (iii)

d.

  • (iv)
  • (iii)
  • (ii)
  • (i)

Question 977

Question

MCQ▾

A magnet is moved in the direction indicated by an arrow between two coils AB and CD as shown in the figure. The direction of current in each coil is

Figure of the Two Coils AB and CD

Choices

Choice (4)Response

a.

Anti-clockwise when seen from the magnet side

b.

Clockwise when seen from the magnet side

c.

None of the above

d.

All of the above

Question 978

Question

MCQ▾

Which of the following is not example of primary producer?

Choices

Choice (4)Response

a.

Phytoplankton

b.

Spiders

c.

Large plant

d.

Algae

Developed by: