NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 12 - 16 of 1058

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Question 12

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Question

MCQ▾

Which metal is the best conductor of electricity?

Choices

Choice (4)Response

a.

Gold

b.

Silver

c.

Aluminum

d.

Sodium

Question 13

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Question

MCQ▾

Our skin, when exposed to excess sunlight, become dark. This is because our skin pigments called

Choices

Choice (4)Response

a.

flavoxanthin

b.

carotene

c.

xanthophyll

d.

melanin

Question 14

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Question

MCQ▾

If ABCD is a quadrilateral whose diagonals AC and BD intersects at O, then which of the given option is correct?

the image display is Quadrilateral ABCD

The Image Display is Quadrilateral ABCD

Loading Image

Choices

Choice (4)Response

a.

(AB + BC + CD + DA) < (AC + BD)

b.

(AB + BC + CD + DA) = 2 (AC + BD)

c.

(AB + BC + CD + DA) > (AC + BD)

d.

(AB + BC + CD + DA) < 2 (AC + BD)

Question 15

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Question

MCQ▾

The first transgenic plants expressing engineered foreign genes were tobacco plants produced by the use of

Choices

Choice (4)Response

a.

Arabidopsis thaliana

b.

Streptomyces hygroscopicus

c.

Bacillus thuringiensis

d.

Agrobacterium tumefaciens

Question 16

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Question

MCQ▾

Two planes start from a city and fly in opposite directions, one averaging a speed of 40 km/h greater than the others. If they are 3400 km apart after 5 h, the average speeds, respectively are

Choices

Choice (4)Response

a.

250,290 km/h

b.

330,370 km/h

c.

300,340 km/h

d.

320,360 km/h