Questions

Q:

Cobalt - 60 is commonly used in radiation therapy because it emits

A) alpha - rays B) beta rays
C) gamma rays D) X - rays
 
Answer & Explanation Answer: C) gamma rays

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Q:

Improve the bracketed part of the sentence.

 

Whatever said and done, (not less vital) is the future of the border separating Northern Ireland from the Irish Republic.

 

A) any less vital B) more less vital
C) no less vital D) No improvement
 
Answer & Explanation Answer: C) no less vital

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Q:

# 6 B G @ I L 7 3 H A % @ D F K E 8 J Q I * V T U 2 $ W

If all the numbers are dropped from the above arrangement which element will be fifth to the left of eleventh from the left?

A) I B) H
C) T D) None of these
 
Answer & Explanation Answer: D) None of these

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Q:

Yellow colour of papaya is due to

A) Caricaxanthin B) Carotene
C) Lycopene D) Papain
 
Answer & Explanation Answer: A) Caricaxanthin

Explanation:

Papayas are yellow due to the presence of carotene and xanthophyll pigments i.e, Caricaxanthin present in the chromoplasts of the fruit pulp.

 

The coloration of the different tissues in plants is due to the plastids which are present in the cells. Leucoplasts are white in colour, chloroplasts are green in colour and chromoplasts are of various colours. These plastids can take any colour at different time. Therefore, green fruits ( chloroplasts) turn colurful (chromoplasts) at maturity.

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Q:

Select the synonym of

to ebb

 

A) to abatement B) to swell
C) to ascent D) to surge
 
Answer & Explanation Answer: A) to abatement

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Q:

Which of the following statement(s) is/are CORRECT?

I. Acids are sour in taste and generate H+ ions.

II. Acids are sour in taste and generate OH– ions.

III. Bases are bitter intaste and generate OH– ions.

A) Only I and III B) Only I and II
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: A) Only I and III

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Filed Under: Chemistry
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Q:

Rearrange the parts of the sentence in correct order.

 

P - Kohli, along with Deepika and Ranveer, has led the ascent of millennials to the top of the rankings.
Q - For the first time a female sportsperson has made it to the top 15.
R - This year saw PV Sindhu make an entry at 15.
S - Former captain Dhoni slipped from 9th place last year to 13th this year.

A) PSRQ B) QRSP
C) RSQP D) PRQS
 
Answer & Explanation Answer: A) PSRQ

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Q:

Nuclear membrane is absent in

A) Volvox B) Penicillium
C) Agaricus D) Nostoc
 
Answer & Explanation Answer: D) Nostoc

Explanation:

Nostoc is a prokaryote. Prokaryotic cells lack membrane bound organelles and well organized nucleus, that is nuclear envelope is absent in these cells.

nuclear_membrane1533030195.jpg image

The nuclear envelope, also known as the nuclear membrane, a bilayer membranes which surrounds the nucleus, and in eukaryotic cells it encases the genetic material.

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