NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 644 - 648 of 828

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Question number: 644

» Biology » Plant and Animal Nutrition

MCQ▾

Question

A few gram seeds were placed in each of the three pots A, B and C containing soil. The soil in pot A is mixed with some green twigs and leaves. The soil in pot B is mixed with old cow dung while soil of pot C is mixed with urea. Pots are watered regularly. Which of the following will be observed after 10 days?

Choices

Choice (4) Response
a.

Very little growth in A but lot of growth in B and C

b.

Lot of growth in B but very little growth in C

c.

Lot of growth in A

d.

Not much growth in B

Question number: 645

» Chemistry » Structure of Atom

MCQ▾

Question

The only element having no neutron is

Choices

Choice (4) Response
a.

Protium

b.

Deuterium

c.

Tritium

d. None of the above

Question number: 646

» Chemistry » Metals & Non Metals

MCQ▾

Question

The correct order of electrical conductivity is

Choices

Choice (4) Response
a.

Cu>Ag>Al>Au

b.

Au>Ag>Al>Cu

c.

Al>Au>Cu>Ag

d.

Ag>Cu>Au>Al

Question number: 647

» Physics » Motion and Force

MCQ▾

Question

A body is thrown vertically upwards with velocity u. The distances travelled by it in the fifth and sixth seconds are equal. The velocity u is (g = 9.8 m/s2)

Choices

Choice (4) Response
a.

78.0 m/s

b.

49.0 m/s

c.

24.5 m/s

d.

54 m/s

Question number: 648

» Physics » Motion and Force

MCQ▾

Question

A body is thrown vertically upwards with a velocity u. Find the true statement from the following.

Choices

Choice (4) Response
a.

Velocity is maximum and acceleration is zero at the highest point

b.

velocity and acceleration are zero at its highest point

c.

Velocity is zero at the higher point and maximum height reached is u2/2g

d.

Velocity is maximum and acceleration is of downwards at its highest point

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