Q:

The dolphin is

A) Fish	B) Reptile
C) Mammal	D) Turtle

Answer & Explanation Answer: C) Mammal

Explanation:

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Filed Under: Animals and Birds

50 6147

Q:

Water has maximum density at............

A) 0 C	B) -15 C
C) 4 C	D) 15 C

Answer & Explanation Answer: C) 4 C

Explanation:

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Filed Under: Physics

11 6146

Q:

The main constituent of biogas is

A) Butane	B) Methane
C) Hydrogen Sulphide	D) Carbondioxide

Answer & Explanation Answer: B) Methane

Explanation:

The main constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia.

Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion.

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Filed Under: Chemistry
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4 6144

Q:

Which of the following was the first super computer developed in 1976?

A) Acom Atom	B) Cray-1
C) PCW	D) PET

Answer & Explanation Answer: B) Cray-1

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

9 6143

Q:

The process of forming urine begins in the

A) embryo	B) ureter
C) nephrons	D) urethra

Answer & Explanation Answer: C) nephrons

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

0 6140

Q:

Kurukshetra , the sence of the epic battle between Kauravas and pandavas, is situated in

A) Gujarat	B) Punjab
C) Uttar Pradesh	D) Haryana

Answer & Explanation Answer: D) Haryana

Explanation:

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Filed Under: Indian History

97 6140

Q:

What Asks But Never Answers?

A) Teacher	B) Telephone
C) Letter	D) Owl

Answer & Explanation Answer: D) Owl

Explanation:

An owl.

"What noise does an owl make?

The sound an Owl makes, it sounds like, "Who?" to our ears.

They sounds entire lives asking the same question, but they'll never give any answers.

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Filed Under: Word Puzzles
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14 6140

Q:

Fish and other aquatic creatures can live inside a deep frozen pond because

A) fish are cold-blooded animals	B) ice is a bad conductor of heat
C) there will always be water just beneath the ice level	D) they can adapt themselves to live in ice

Answer & Explanation Answer: C) there will always be water just beneath the ice level

Explanation:

Water has the maximum density at $4^{o} C$ . So at this temperature, it sinks down to bottom and stays here. If it cools further, it will become less dense and move up. So while the upper layers can cool enough to form ice, the bottom layers remain as water at $4^{o} C$ .

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