NSO Level 1- Science Olympiad (SOF) Class 10: Questions 51 - 54 of 986

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Question 51

Question

MCQ▾

Find the missing character from the given figure.

Figure Shows the Character Pattern

Choices

Choice (4)Response

a.

3260

b.

2100

c.

720

d.

2160

Question 52

Question

MCQ▾

The acidic solution was placed on a strip of paper. The color of the strip.

Choices

Choice (4)Response

a.

Turned green

b.

Turned red

c.

Turned light pink

d.

Did not change

Question 53

Question

Match List-Ⅰ List-Ⅱ▾

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

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

Reduction reaction

(i)

Decreasing the oxidation number

(B)

Oxidation reaction

(ii)

Increasing the oxidation number

(C)

Redox reaction

(iii)

Choices

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

a.

  • (iii)
  • (i)
  • (ii)

b.

  • (i)
  • (ii)
  • (iii)

c.

  • (ii)
  • (iii)
  • (i)

d.

All of the above

Question 54

Appeared in Year: 2011

Question

MCQ▾

30 trees are planted in a straight line at intervals of 5 metres. To water them, the gardener needs to bring water for each tree, separately from a well, which is 10 metres from the first tree in line with the trees. How far will he have to walk in order to water all the trees beginning with the first tree? Assume that he starts from the well.

Choices

Choice (4)Response

a.

4785 metres

b.

4800 metres

c.

4795 metres

d.

Question does not provide sufficient data or is vague

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