Questions

Q:

Nitrogen Fixation is carried out primarily by

A) Plants B) Humans
C) Consumers D) Bacteria
 
Answer & Explanation Answer: D) Bacteria

Explanation:

The process by which bacteria convert nitrogen gas (N2) into ammonia (NH3) is called Nitrogen Fixation.

 

The conversion of nitrogen from one form to another in the nitrogen cycle is carried out primarily by Nitrogen Fixing Bacteria such as Azotobacter.

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Q:

Basophils increase in number when parasitic invasion occurs.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

FALSE. Basophils number will not be increased when parasitic invasion occurs.


 


Basophils are a type of white blood cell. Although they're produced in the bone marrow, they're found in many tissues throughout your body. They're part of your immune system and play a role in its proper function.


 


Basophils appear in many specific kinds of inflammatory reactions, particularly those that cause allergic symptoms. If your basophil level is low, it may be due to a severe allergic reaction.


 


Basophils contain anticoagulant heparin, which prevents blood from clotting too quickly. They also contain the vasodilator histamine, which promotes blood flow to tissues.


 

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Q:

Nav Mangalore port located on the bank of which river?

A) Gurupura B) Sharavati
C) Kaveri D) Kumaradhara
 
Answer & Explanation Answer: A) Gurupura

Explanation:

Panambur is the site of seaport called Nav Mangalore port or New Mangalore Port. It is located to the north of the Gurupura river confluence with the Arabian Sea.

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Q:

Which of the following is not soluble in water?

A) copper(II) hydroxide B) sodium chloride
C) silver nitrate D) potassium sulfate
 
Answer & Explanation Answer: A) copper(II) hydroxide

Explanation:

Sodium chloride:

The solubility rules tell you that all halides are soluble with the exception of those formed with siver, mercury, and lead ions. Since this is not the case here, sodium chloride will be soluble.

 

Silver nitrate:

It is soluble because all nitrates are soluble, without exception.

 

Potassium sulfate:

It is soluble because all sulfates are soluble with the exception of those formed with silver, calcium, barium, mercury, lead, and strontium ions.

 

Copper (II) hydroxyde:

It is insoluble because all hydroxides are insoluble with the exception of those formed with alkali metal ions and barium.

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Q:

Iodex, a pain relief balm, has the smell of __________ .

A) Methyl salicylate B) Ethyl salicylate
C) Propyl salicylate D) Butyl salicylate
 
Answer & Explanation Answer: A) Methyl salicylate

Explanation:
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Q:

Lady Ratan Tata Trophy' is related to which game?

A) Basketball B) Hockey
C) Kho-Kho D) Cricket
 
Answer & Explanation Answer: B) Hockey

Explanation:
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Q:

Which of the following is NOT a constitutional body?

A) National Advisory Council B) Law Commission
C) Election Commission D) Finance Commission
 
Answer & Explanation Answer: A) National Advisory Council

Explanation:

National Advisory Council is NOT a constitutional body.

 

The National Advisory Council (NAC) of India was an advisory body set up by the first United Progressive Alliance (UPA) government to advise the Prime Minister of India.

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Q:

A gland below the bladder and surrounding the urethra is

A) prostate B) seminal vesicle
C) bartholin D) vas deferens
 
Answer & Explanation Answer: A) prostate

Explanation:

                               prostategland1531291431.jpg image

A gland surrounding the neck of the bladder in male mammals and releasing a fluid component of semen is Prostate gland which is below the bladder and surrounding the urethra.

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