Q:

Which of the following is true about veins?

A) Veins carry blood away from the heart, while arteries carry blood to the heart.	B) Veins are more muscular than arteries.
C) Veins have valves; arteries do not.	D) Veins have a smaller diameter lumen than arteries.

Answer & Explanation Answer: C) Veins have valves; arteries do not.

Explanation:

Veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.

Veins are less muscular than arteries and are often closer to the skin. There are valves in most veins to prevent backflow.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO

1 3767

Q:

At what temperature do the Fahrenheit and celcius scales give the same reading?

A) 212 degrees	B) 32 degreees
C) -40 degreees	D) 0 degreees

Answer & Explanation Answer: C) -40 degreees

Explanation:

We want the temperature when F=C.

We know that, $F = C x \frac{9}{5} + 32$

So substituting C For F, we have C = $- 40^{o}$

Therefore, C = -40.

Thus when C = -40, we have C = F

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Filed Under: Physics
Exam Prep: CAT , AIEEE
Job Role: Bank PO

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Q:

Which, among the following, was the most powerful kingdom of Italy on the eve of unification ?

A) Lombardy	B) Sicily
C) Sardinia	D) Tuscany

Answer & Explanation Answer: C) Sardinia

Explanation:

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Filed Under: World History

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Q:

Who is the leading wicket taker in the history of test cricket

A) Shane Warne	B) Brian Lara
C) Courtney Walsh	D) Muttiah Muralitharan

Answer & Explanation Answer: D) Muttiah Muralitharan

Explanation:

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Filed Under: Sports

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Q:

How does the Sun get its energy

A) From gravitational pressure	B) From nuclear fission
C) From nuclear fusion	D) None of the above

Answer & Explanation Answer: C) From nuclear fusion

Explanation:

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Filed Under: World Geography

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Q:

Which of the following companies has received the Most Efficient Navratna Award for the year 2013?

A) GAIL	B) SAIL
C) HAL	D) BEL

Answer & Explanation Answer: C) HAL

Explanation:

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Filed Under: General Awareness

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Q:

How much abount can the Postal Department invest in revenue - generating instruments and / or stock market to reduce its budgetary deficit?

A) Rs. 2,500 crore	B) Rs. 4,500 crore
C) Rs. 7,400 crore	D) Rs. 10,000 crore

Answer & Explanation Answer: D) Rs. 10,000 crore

Explanation:

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Filed Under: General Awareness
Exam Prep: Bank Exams
Job Role: Bank PO

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Q:

The articles of the Constitution of India which deal with Directive Principles of State Policy are ______

A) 26 to 41	B) 30 to 45
C) 36 to 51	D) 40 to 55

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