Q:

Lightning heats the surrounding air to

A) 300 deg Cent	B) 3000 deg Cent
C) 30000 deg Cent	D) 300000 deg Cent

Answer & Explanation Answer: C) 30000 deg Cent

Explanation:

Lightning is extremely hot — a flash can heat the air around it to temperatures five times hotter than the sun’s surface. This heat causes surrounding air to rapidly expand and vibrate, which creates the pealing thunder we hear a short time after seeing a lightning flash.

Lightning heats the surrounding air to about 30,000 degrees Centigrades.

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Filed Under: Physics
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5 6526

Q:

The most abundant of the rare gases i ?

A) Helium	B) Argon
C) Neon	D) Nitrogen

Answer & Explanation Answer: B) Argon

Explanation:

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Filed Under: Chemistry
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Q:

Poison glands of snakes are homologous to

A) sebaceous glands of mammals	B) salivary glands of vertebrates
C) stings of rays	D) electric organs of fishes

Answer & Explanation Answer: B) salivary glands of vertebrates

Explanation:

Here Homologous Means having the same relation or relative position or structure.

Here in snakes poison is in glands and here salivary glands are in Vertebrates.

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Filed Under: Biology
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13 6524

Q:

Course materials are sent to students by a distance teaching institution. The probability that they will send a wrong programme’s study material is 1/5. There is a probability of 3/4 that the package is damaged in transit, and there is a probability of 1/3 that there is a short shipment. What is the probability that the complete material for the course arrives without any damage in transit?

A) 4/5	B) 2/3
C) 1/2	D) 2/15

Answer & Explanation Answer: D) 2/15

Explanation:

Probability of sending the correct material is 4/5

Probability of the material not being damaged in transit is 1/4

Probability that there is no short shipment = 2/3

∴ Required probability =4/5 x 1/4 x 2/3 = 2/15

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2 6517

Q:

Who is known as Deenbandhu?

A) Vinoba Bhave	B) Chitranjan das
C) C. N. Annadurai	D) C. F. Andrews

Answer & Explanation Answer: D) C. F. Andrews

Explanation:

C. F. Andrews - Charles Freer Andrews was known as Deenbandhu. He was given this name by Mahathma Gandhi for his contributions towards Indian independence.

Who_is_known_as_Deenbandhu1556519119.png image

Deenbandhu means a friend of the poor.

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3 6508

Q:

A person who insists on something - one word substitute

A) Stickler	B) Boaster
C) Disciplinarian	D) Instantaneous

Answer & Explanation Answer: A) Stickler

Explanation:

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Filed Under: English
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Q:

Which of the following processes is used to remove reducible oxides from the metal?

A) liquation	B) cupellation
C) poling	D) electro refining

Answer & Explanation Answer: C) poling

Explanation:

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Filed Under: Chemistry

32 6503

Q:

Who are the primary users of SCM systems?

A) Accounting, finance, logistics, and production	B) Customers, resellers, partners, suppliers, and distributors
C) Sales, marketing, customer service	D) All of the above

Answer & Explanation Answer: B) Customers, resellers, partners, suppliers, and distributors

Explanation:

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