Q:

Prof. Amartya Sen has earned worldwide distinction in which of the following fields/areas

A) Economics	B) Geology
C) Biochemistry	D) Astrophysics

Answer & Explanation Answer: A) Economics

Explanation:

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Q:

What are the reactants in a chemical reaction?

Answer

In a chemical reaction, substances (elements or compounds) called reactants are changed into other substances (compounds or elements) called products. Hence, reactants are those which start the chemical reaction.

For example:

1. In the burning of natural gas, methane (CH4) and oxygen (O2) are the reactants in the chemical reaction. are the substances formed by a chemical reaction. In the burning of natural gas, carbon dioxide (CO2) and water (H2O) are the products formed by the reaction.

2. H2+O2 ----> H2O

Here H2 & O2 are called Reactants and H2O is called Product.

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Q:

Which part of the female reproductive system prepares itself every month to receive and nurture the growing child?

A) Ovary	B) Uterus
C) Vagina	D) Cervix

Answer & Explanation Answer: B) Uterus

Explanation:

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Q:

In 8085 name the 16 bit registers?

Answer

Stack pointer and Program counter all have 16 bits.

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Subject: Hardware

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Q:

A benefit of using Service Design tools is?

A) To help ensure that events are detected as quickly as possible	B) To help ensure that standards and conventions are followed
C) To help enable different applications to work together	D) To help implement architectures that support the business strategy

Answer & Explanation Answer: B) To help ensure that standards and conventions are followed

Explanation:

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Q:

In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is

1) $A_{2} B_{5}$

2) $A_{3} B_{2}$

3) $A_{2} B_{3}$

4) $A_{3} B_{4}$

A) Option 1	B) Option 2
C) Option 3	D) Option 4

Answer & Explanation Answer: A) Option 1

Explanation:

$Z_{A} = \frac{8}{8}$ ; $Z_{B} = \frac{5}{2}$

So formula of compound is $A B_{\frac{5}{2}}$

i.e., $A_{2} B_{5}$ .

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Q:

Which of the following is a function of money?

A) medium of exchange	B) store of value
C) unit of accounting	D) All options are correct

Answer & Explanation Answer: D) All options are correct

Explanation:

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Q:

Sound waves cannot travel in

A) Vacuum	B) Water
C) Glass	D) Hydrogen gas

Answer & Explanation Answer: A) Vacuum

Explanation:

A Sound wave needs a medium for propogation. Hence, Sound cannot travel through a vacuum.

A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

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