Questions

Q:

Match List -I with List -II and select the correct answer using the code given below the Lists :

            List -I                               List-II

(Compound/Molecule)         (Shape of Molecule)

A. CH3F                            1. Trigonal planar

B. HCHO                           2. Tetrahedral

C. HCN                             3. Trigonal pyramidal

D. NH3                             4. Linear

A) 2 4 1 3 B) 2 1 4 3
C) 3 4 1 2 D) 3 1 4 2
 
Answer & Explanation Answer: B) 2 1 4 3

Explanation:

HCHO: The carbon and and the oxygen are bonded through a double bond which counts as "one electron pair". Hence the molecule has three electron pairs and is trigonal planar.

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Filed Under: Chemistry
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0 11147
Q:

Select the antonym of


to actuate

A) to retard B) to spur
C) to impel D) to propel
 
Answer & Explanation Answer: A) to retard

Explanation:
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1 11144
Q:

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:

A) 276 B) 299
C) 322 D) 345
 
Answer & Explanation Answer: C) 322

Explanation:

Clearly, the numbers are (23 x 13) and (23 x 14).

 

 

 

 Larger number = (23 x 14) = 322.

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12 11143
Q:

Select the synonym of

dire

A) calm B) mild
C) critical D) trivial
 
Answer & Explanation Answer: C) critical

Explanation:
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Filed Under: English
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0 11138
Q:

Select the antonym of

sibilate

A) whiz B) boo
C) exalt D) rasp
 
Answer & Explanation Answer: C) exalt

Explanation:
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Filed Under: English
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0 11133
Q:

How many layers of skin does a human have?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

Explanation:

The human skin is made of 3 layers. They are ::

1) The Epidermis

2) The Dermis

3) The Hypodermis

 

how_many_layers_does_human_skin_have1542259835.jpg image

 

Epidermis :: 

It is the outermost layer of skin, provides a waterproof barrier and creates our skin tone.

 

Demis ::

It is beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands.

 

Hypodermis ::

It is deeper layer and is made of fat and connective tissue.

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Filed Under: General Science
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11 11130
Q:

A person who writes books is called

A) Anthropologist B) Archeologist
C) Author D) Dendrologist
 
Answer & Explanation Answer: C) Author

Explanation:

A person one who writes books, stories or articles is called as an author.

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29 11126
Q:

NASA and ISRO to come together to inspect 'oldest civilisation' site in ____________ .

A) Gujarat B) Rajasthan
C) Haryana D) Telangana
 
Answer & Explanation Answer: C) Haryana

Explanation:

Teams of the National Aeronautics and Space Administration (NASA) of the United States and the Indian Space Research Organisation (ISRO) would inspect the excavation being carried out at an archaeological site in Haryana’s Fatehabad district to verify claims of it being the oldest civilisation in the world. Archaeologists have recovered artefacts pre-dating the Harappan Civilisation from the site, located in village Kunal in Fatehabad district.

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Filed Under: General Awareness
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