Sawaal

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Q:

Change in focal length of eye lens is caused by

A) ciliary muscles B) iris
C) pupil D) retina
 
Answer & Explanation Answer: A) ciliary muscles

Explanation:
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Filed Under: Physics
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Q:

Look at the underlined part of each sentence. Below each sentence are given three possible substitutions for the underlined part. If one of them (a), (b) or (c) is better than the underlined part, indicate your response on the Answer Sheet against the corresponding letter. If none of the substitutions imporves the sentence, indicate (d) as your response on the Answer Sheet.

I didn’t fell like going out yesterday, but on account of my son’s illness I had to go to the doctor.

A) have B) might have
C) ought D) no improvement
 
Answer & Explanation Answer: D) no improvement

Explanation:

The given sentence is in simple past. No improvement required.

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Filed Under: English
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Q:

Which describes how mRNA is used by a cell?

A) It is used to move information to other cells. B) It is used to check DNA for mutations.
C) It is used to replicate DNA for mitosis. D) It is used to transfer genetic information.
 
Answer & Explanation Answer: D) It is used to transfer genetic information.

Explanation:

A RNA copy of a DNA gene is called as messenger RNA or mRNA. mRna is used in translation because information is translated from one language (nucleotides) into another (amino acids).

 

Hence, mRNA is used to transfer genetic information by a cell.

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Filed Under: Biology
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Q:

As per the decision of the GST Council, e-Way Bill system has been rolled out from

A) 1st March 2018 B) 1st April 2018
C) 1st May 2018 D) 1st January 2018
 
Answer & Explanation Answer: B) 1st April 2018

Explanation:

As per the decision of the GST Council, e-Way Bill system has been rolled out from 1st of April this year (2018).

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Filed Under: Indian Economy
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Q:

The PCl5 molecule has trigonal bipyramidal structure. Therefore,the hybridization of p orbitals should be

A) sp2 B) sp3
C) dsp2 D) dsp3
 
Answer & Explanation Answer: D) dsp3

Explanation:

The P atom needs five orbitals to form the five P-Cl bonds. It has a 3s and three 3p orbitals, so it must use one of its 3d orbitals to form the fifth bond. These orbitals are hybridized to form five sp3d orbitals that just happen to point in the right directions to form a trigonal bipyramid.

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

After how many years Rajya Sabha is dissolved?

A) It is never dissolved B) 2 years
C) 5 years D) 6 years
 
Answer & Explanation Answer: A) It is never dissolved

Explanation:

Rajya Sabha is a permanent body and is not subject to dissolution. However, one third of the members retire every second year, and are replaced by newly elected members.

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Filed Under: Indian Politics
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Q:

Which among the following is not correctly matched?

A) Parachute: W H carothers B) Barometer: Torricelli
C) Cells: Robert Hooke D) X- Ray: W Roentgen
 
Answer & Explanation Answer: A) Parachute: W H carothers

Explanation:
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Filed Under: Inventions
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Q:

Who is appointed as the UNICEF India’s Youth Ambassador?

A) P.V. Sindhu B) Hima Das
C) Mithali Raj D) Harmanpreet Kaur
 
Answer & Explanation Answer: B) Hima Das

Explanation:

Hima Das, nicknamed the "Dhing Express", is an Indian sprint runner from the state of Assam is appointed as the UNICEF India’s Youth Ambassador.

 

She holds the current Indian national record in 400 metres with a timing of 50.79 s that she clocked at the 2018 Asian Games in Jakarta, Indonesia

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Filed Under: General Awareness
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