NSO Level 2- Science Olympiad (SOF) Class 6: Questions 71 - 72 of 100

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Question number: 71

» Achiever's Section

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Appeared in Year: 2013

MCQ▾

Question

Fill in the blanks of the given paragraph by choosing the correct option.

To fix the wooden handle into the ring of iron blade in tools, the ring is _i_, which causes its _ii_. After fitting the handle easily into the ring, the ring _iii_ on _iv_ and fits tightly into the handle.

Choices

Choice (4)Response

a.

i- Cooled, ii- Expansion, iii-Contracts, iv-Heating

b.

i- Cooled, ii- Contraction, iii- Expands, iv- Cooling

c.

i-Heated, ii-Contraction, iii- Expands, iv-Heating

d.

i- Heated, ii- Expansion, iii- Contracts, iv- Cooling

Question number: 72

» Mental Ability

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Appeared in Year: 2013

MCQ▾

Question

Which of the following steps is/are incorrect while constructing an angle of ?

Step 1: Draw any line MN and take a point C on line.

Step 2: Place the pointer of the compass at C and draw an arc of convenient radius which

Cuts the line at A.

Step 3: Without disturbing the radius on the compass draw an arc with A as centre which

Cuts the first arc at B.

Step 4: Again, without disturbing the radius on the compass and with M as centre, draw an

Arc with O, which cuts the first arc at C.

Step 5: Join OA. ∠OAN is the required angle of measure 120°.

Choices

Choice (4)Response

a.

Only step 2

b.

Step 4 and Step 5

c.

Only step 1

d.

Only step 5

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