Q:

Coral reefs are formed by _____

A) volcanic rocks	B) marine sediments
C) chlorine material precipitated from sea water	D) tiny colonial marine animals which construct limestone skeleton material

Answer & Explanation Answer: D) tiny colonial marine animals which construct limestone skeleton material

Explanation:

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Filed Under: World Geography

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Q:

what is the gram formula mass of ${({NH}_{4})}_{3} {PO}_{4}$ ?

A) 139.54	B) 140.70
C) 149.08	D) 153.24

Answer & Explanation Answer: C) 149.08

Explanation:

The gram formula mass is nothing but molar mass.

Composition :

Symbol Element Atomic weight Atoms

P Phosphorus 30.973762 1 = 30.973

O Oxygen 15.9994 4 = 63.998

N Nitrogen 14.0067 3 = 42.020

H Hydrogen 1.00794 12 = 12.096

Total = 30.973+63.998+42.020+12.096 = 149.087

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

What is the main ingredient in face powder?

A) Calcium carbonate	B) Talc
C) Magnesium carbonate	D) China clay

Answer & Explanation Answer: B) Talc

Explanation:

Talc or talcum is a clay mineral composed of hydrated magnesium silicate with the chemical formula H2Mg3(SiO3)4 is the main ingredient in face powders that absorbs moisture and oil.

It is also called as French Chalk. Other ingredients include Calcium carbonate (chalk), Magnesium carbonate, China clay, starches like rice and potato, zinc oxide,...

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

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Q:

As per the Census of 2001, the least urbanised State of India is

A) Arunachal Pradesh	B) Assam
C) Himachal Pradesh	D) Uttar Pradesh

Answer & Explanation Answer: C) Himachal Pradesh

Explanation:

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Filed Under: Indian Economy

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Q:

What is the theme of the ‘World Wetlands Day 2021’?

A) Wetlands and Water	B) Wetlands for Us
C) Save Wetlands	D) Wetlands and Covid

Answer & Explanation Answer: A) Wetlands and Water

Explanation:

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Filed Under: Important Days and Years
Exam Prep: Bank Exams

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Q:

Abu Simbel is located in which country?

A) South Africa	B) Iran
C) Iraq	D) Egypt

Answer & Explanation Answer: D) Egypt

Explanation:

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Filed Under: Famous Places

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Q:

The term hierarchy refers to

A) a team in which everyone is equal and has to pull his or her own weight	B) a power structure in which each member knows his or her own place
C) a situation in which higher species such as men will always be in control of lower species such as animals	D) a condition in which the weak must die so the strong can survive

Answer & Explanation Answer: B) a power structure in which each member knows his or her own place

Explanation:

Hierarchy is a system of ranking in which members of a particular society are ranked in an ascending order depending on various factors.

Hence, the term hierarchy refers to a power structure in which each member knows his or her own place.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

The first Asin to head the prestigious Trinity College at Cambridge University is

A) Amartya Sen	B) Dr IG Patel
C) Romesh Gunesekera	D) Bhabani Bhattacharya

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