General Science Questions

Q:

The fish that can taste with its whole body?

A) Tropical cockroach B) Arctic tern
C) Catfish D) Koala
 
Answer & Explanation Answer: C) Catfish

Explanation:
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Q:

Mortar is a mixture of

A) cement B) water
C) sand D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Mortar is a mixture of cement or lime as a binder, sand and water.

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Q:

Which of the following foods does not support bacterial growth?

A) Saut ed onions B) Raw egg
C) Both A & B D) Gravy
 
Answer & Explanation Answer: B) Raw egg

Explanation:

Dried foods like raw egg, raw carrots, milk powder, etc... are the foods that do not support bacterial growth and has a long storage life.

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Q:

Data collected to date indicate that

A) New species of bacteria may be discovered in wild animals. B) Humans and marine mammals cannot be infected by the same pathogens.
C) Marine mammals do not get infectious diseases D) None of the above
 
Answer & Explanation Answer: D) None of the above

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Q:

The outermost layer of the earth is called

A) Core B) Mantle
C) Crust D) Inner core
 
Answer & Explanation Answer: C) Crust

Explanation:
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Q:

The mechanism of water reabsorption by the renal tubules is

A) solvent drag B) osmosis
C) active transport D) cotransport with sodium ions
 
Answer & Explanation Answer: B) osmosis

Explanation:

Water reabsorption by the renal tubules is harmonally controlled and it is a osmosis mechanism.

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Q:

Which of the following statements is/are correct?

1.In June 2016, the LIGO group of scientists announced the detection of a second set of gravitational waves.

2.Gravitational waves were generated due to merger of two black holes at about 1.4 billion light-years distant.

3.Gravitational waves were inserted due to collision of two white dwarf stars at about 1.4 billion light-years distant.

Select the correct answer using the code given below.

 

A) 1 only B) 1 and 2 only
C) 2 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: D) 1, 2 and 3

Explanation:

All are correct. Gravitational waves don’t get distorted or altered by interactions with matter as they go through space. gravitational waves have pure information about the objects and events that created them. The Government of India has given approval for the world’s third advanced Laser Interferometer Gravitational Wave Observatory (LIGO-India) to set up in India.

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Q:

Lime mortar is generally made with

A) Hydraulic lime B) Quick lime
C) Fat lime D) Plain lime
 
Answer & Explanation Answer: A) Hydraulic lime

Explanation:

Lime mortar is generally made with Hydraulic lime.

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