NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 513 - 518 of 1042

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Question number: 513

» Biology » Plant and Animal Nutrition

MCQ▾

Question

Azolla is used as a biofertiliser because it

Choices

Choice (4) Response

a.

multiplies very fast to produce massive biomass

b.

has association with nitrogen fixing cyanobacteria

c.

has association with mycorrhiza

d.

has association with nitrogen fixing Rhizobium

Question number: 514

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

Which of the following pair of elements exhibit the property of catenation?

Choices

Choice (4) Response

a.

Carbon and sodium

b.

Sodium and silicon

c.

Silicon and carbon

d.

Chlorine and carbon

Question number: 515

» Mathematics » Arithmetic

MCQ▾

Question

Two pipes A and B can separately fill a tank in 12 min and 15 min, respectively. Both the pipes are opened together but 4 min after pipe A is turned off. How much time does pipe B will take to fill the tank?

Choices

Choice (4) Response

a.

6 min

b.

11 min

c.

12 min

d.

8 min

Question number: 516

» Geography » Our Environment

MCQ▾

Question

The important factor that influences the distribution of temperature is

Choices

Choice (4) Response

a.

pressure

b.

solar energy

c.

heat

d.

isolation

Question number: 517

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Which of the following fact is not true about sodium hydrogen carbonate?

Choices

Choice (4) Response

a.

It is used as a raising agent in making cakes

b.

It is commonly known as baking soda

c.

Its white crystals are sparingly soluble in water

d.

It is also used in making ‘Borax’

Question number: 518

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

Ammonia on combining with hydrochloric acid, form dense white fumes of

Choices

Choice (4) Response

a.

ammonium chloride

b.

ammonium perchlorate

c.

ammonium hydrogen carbonate

d.

All of the above

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