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

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Question number: 51

» Mental Ability

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MCQ▾

Question

Find the missing character from the given figure.

Figure shows the character pattern

Figure Shows the Character Pattern

This figure shows the character pattern

Choices

Choice (4) Response

a.

3260

b.

2100

c.

720

d.

2160

Question number: 52

» Acids, Bases and Salts

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MCQ▾

Question

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 number: 53

» Chemical Reactions and Equation

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Match List-Ⅰ List-Ⅱ▾

Question

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 number: 54

» Mental Ability

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Appeared in Year: 2011

MCQ▾

Question

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