Q:

Which statement about electrons and atomic orbitals is NOT true?

A) An orbital can contain a minimum of two electrons	B) An electron has the same amount of energy in all orbitals
C) An atom’s lowest energy level has only two orbitals	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Yes, all the given statements are NOT true about electrons and atomic orbitals.

True statements are ::

An orbital can contain a maximum of two electrons.

An atom’s lowest energy level has only one orbital.

An electron has different amount of energies in all orbitals.

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Filed Under: Chemistry
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1 6409

Q:

In the structure of Planet Earth, below the mantle, the core is mainly made up of which one of the following ?

A) Aluminium	B) Chromium
C) Iron	D) Silicon

Answer & Explanation Answer: C) Iron

Explanation:

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Filed Under: World Geography

13 6407

Q:

Palaeobotany is the branch of botany is which we study about

A) Animal fosills	B) Plant fossils
C) Seed of plant	D) Flower

Answer & Explanation Answer: B) Plant fossils

Explanation:

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Filed Under: Biology

18 6405

Q:

Which of the following memories needs refresh ?

A) DRAM	B) ROM
C) SRAM	D) All of the above

Answer & Explanation Answer: A) DRAM

Explanation:

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Filed Under: Computer
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15 6404

Q:

Which of the following active volcanoes is known as ' the light house of the Mediterranean Sea'

A) Volcano	B) Stromboli
C) Veoavius	D) Ema

Answer & Explanation Answer: B) Stromboli

Explanation:

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Filed Under: World Geography

7 6401

Q:

'International Plastic Bag Free Day' is observed on which date ?

A) 3 July	B) 4 July
C) 6 July	D) 5 July

Answer & Explanation Answer: A) 3 July

Explanation:

International Plastic Bag Free Day was observed on 3rd of July 2017. It has been dedicated to heightening awareness about plastic and disposable carrying devices. International Plastic Bag Free Day gives us an opportunity to remind ourselves, and others, that every action we take, and every bag we dispose of effects the lives of everyone in the world for generations to come.

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Filed Under: Important Days and Years
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6 6401

Q:

From the following languages listed in the Eighth schedule of the constitution pick out of the one which is official language of a state

A) Kashmiri	B) Urdu
C) Sindhi	D) Nepali

Answer & Explanation Answer: B) Urdu

Explanation:

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Filed Under: Indian Politics

5 6399

Q:

' Uttarakhand ' State came into existence on

A) Nov 1, 2000	B) Nov 9, 2000
C) Nov 10, 2000	D) Jan 1, 2008

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