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GATE Questions

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Q:

When does DNA replication happen?

A) S - phase B) M - Phase
C) Prophase D) Anaphase
 
Answer & Explanation Answer: A) S - phase

Explanation:

DNA is replicated during the S-Phase in the interphase of a cell.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , GATE
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Q:

Length of two trains are 150 m and 200 m respectively and the ratio (shorter: longer) of their speed is 2 : 5. If they cross each other in opposite direction in 15 second then in what time faster train will overtake the slower train.

A) 20 seconds B) 25 seconds
C) 32 seconds D) 35 seconds
 
Answer & Explanation Answer: D) 35 seconds

Explanation:

Let speed of slower train = 2x
⇒ speed of faster train = 5x
ATQ, (150 + 200)/(2x + 5x) = 15
x = 10/3
Time required=350/[50/3–20/3]= 35 seconds

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement: X = M < A < S = T < R

Conclusion:
I. M = T
II. R > A

A) If only conclusion I follow. B) If only conclusion II follow.
C) If either conclusion I or conclusion II follows. D) If neither conclusion I nor II follows.
 
Answer & Explanation Answer: B) If only conclusion II follow.

Explanation:

X = M < A < S = T < R
Conclusions:
For conclusion I - M < A < S = T - There is no relation between M and T.
I. M = T (false)
For conclusion II -
A < S = T < R
II. R > A (True) - R is greater than A.
Hence, only conclusion II follow.

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Filed Under: Coding and Decoding
Exam Prep: AIEEE , Bank Exams , GATE

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Q:

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

A) Immense B) Imense
C) Immiense D) Imminse
 
Answer & Explanation Answer: A) Immense

Explanation:
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Filed Under: English
Exam Prep: GATE , GRE , TOEFL

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Q:

An increase in the price of product A will

A) reduce the demand for resources used in the production of A. B) reduce the demand for substitute product B
C) increase the demand for complementary product C. D) increase the demand for substitute product B.
 
Answer & Explanation Answer: D) increase the demand for substitute product B.

Explanation:

If the price of a product rises, the demand for the substitute product increases.

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Filed Under: Bank Interview
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0 1535
Q:

The wavelike properties of electrons are useful in

A) Magnifying objects B) Lasers
C) Weather reports D) All of the above
 
Answer & Explanation Answer: A) Magnifying objects

Explanation:

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

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Filed Under: Physics
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6 1534
Q:

Nine years later, age of B will be equal to the present age of A. Sum of A's age 3 years later and B's age 4 years ago is 76. If C is half of the present age of B, then what will be C's age (in years) after 10 years?

A) 32 B) 36
C) 27 D) 31
 
Answer & Explanation Answer: C) 27

Explanation:
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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE

2 1532
Q:

Enzymes are important because they

A) maintain cell shape B) transfer genetic information
C) contain water D) speeds up chemical reactions
 
Answer & Explanation Answer: D) speeds up chemical reactions

Explanation:

Enzymes in the body are those which play an important role of breaking down the larger molecules to small and speeds up the chemical reactions.

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Filed Under: Biology
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