Questions

Q:

Which of the following uses a Non Renewable Energy Source?

A) Wind Mill Power Plant B) Hydro Electric Plant
C) Nuclear Power Plant D) Tidal Power Plant
 
Answer & Explanation Answer: C) Nuclear Power Plant

Explanation:

Nuclear Power Plant uses a Non Renewable Energy Source.

 

Non-renewable energy is that source of energy which can not be used again and again. This sort of energy is sustainable to exhaustion.


Non renewable energy is that form of energy which is subject to deletion. This type of energy is of many uses to us. It can be used to produce electricity, heating, cooking, transportation and manufacturing. 85% of the energy used in the industrial processes is form the non-renewable type of energy.

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Q:

Radiocarbon is produced in the atmosphere as a result of

A) collision between fast neutrons and nitrogen nuclei present in the atmosphere B) action of ultraviolet light from the sun on atmospheric oxygen
C) action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere D) lightning discharge in atmosphere
 
Answer & Explanation Answer: A) collision between fast neutrons and nitrogen nuclei present in the atmosphere

Explanation:
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Q:

The deepest oceanic trench Mariana is located in ______

A) Atlantic Ocean B) Arctic Ocean
C) Pacific Ocean D) Indian Ocean
 
Answer & Explanation Answer: C) Pacific Ocean

Explanation:
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Q:

The primary goal of conservation biology is to

A) counter the loss of biodiversity B) estimate the total number of species that exist
C) integrate human culture back into nature D) catalogue species
 
Answer & Explanation Answer: A) counter the loss of biodiversity

Explanation:
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Q:

Which two atoms form an ionic bond?

Answer

Ionic bonding is a type of chemical bond in which valence electrons are lost from one atom and gained by another.. This bond generates two oppositely charged ions.


In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.


 


Example ::


One example of an ionic bond is the formation of sodium fluoride, NaF, from a sodium atom and a fluorine atom. In this reaction, the sodium atom loses its single valence electron to the fluorine atom, which has just enough space to accept it. The ions produced are oppositely charged and are attracted to one another due to electrostatic forces.

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Q:

Which equation is an example of a synthesis reaction?

A) 2H2 + O2 → 2H2O B) Na + Cl → NaCl
C) HA + BOH → H2O + BA D) NaCl + AgNO3 → NaNO3 + AgCl
 
Answer & Explanation Answer: B) Na + Cl → NaCl

Explanation:

When two or more chemical species combine to form a single product, the reaction is said to be synthesis reaction. It is also called as Direct Combination reaction.

 

Here in the given options, Sodium (Na) combines with Chlorine (Cl) to form a more complex single product Sodium Chloride (NaCl).

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Q:

Rearrange the parts of the sentence in correct order.
 
Gender inequality has
 
P :it reduces economic growth
Q :development goals as
R :adverse impact on

A) RPQ  B) RQP
C) PRQ D) QPR
 
Answer & Explanation Answer: B) RQP

Explanation:
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Q:

In which body cavities are the lungs located

A) Pelvic cavity B) Thoracic cavity
C) Abdominal cavity D) Body cavity
 
Answer & Explanation Answer: B) Thoracic cavity

Explanation:
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