Questions

Q:

In the given question, an idiom/phrase highlighted in bold is given in a sentence. Choose the most suitable meaning of the idiom/phrase.

I heard it on the grapevine that the vacancies are going to be increased this year for many posts.

A) To hear some official news about something B) To inform people about something
C) To acquire information by unofficial communication D)  To be sure of something
 
Answer & Explanation Answer: C) To acquire information by unofficial communication

Explanation:

The idiom “to hear it on the grapevine” means to hear about something from informal communication or to hear a gossip. The above sentence talks about the rumour that is spread about the number of vacancies for various posts. Hence, option 3 is correct.

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Filed Under: English

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Q:

Select the option that correctly matches the contents of the first column with the contents of the second column.

 

A. Elements combine in fixed ratios I. Dalton's atomic theory
B. Atoms are indivisible II. The same number of molecules
C. Sulphate and Oxalate ions are anions, whereas magnesium and III. Law of constant proportions
D. Gram atomic mass of an element and the gram molecular mass of a compound contain IV. Ammonium ions are cations

 

A) A-III, B-II, C-IV, D-I B) A-III, B-I, C-IV, D-II
C) A-III, B-IV, C-I, D-II D) A-I, B-III, C-IV, D-II
 
Answer & Explanation Answer: B) A-III, B-I, C-IV, D-II

Explanation:
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Filed Under: Chemistry
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Q:

Which of the following is not a constituent of biogas?

A) Carbon dioxide B) Hydrogen Sulphide
C) Methane D) Carbon Monoxide
 
Answer & Explanation Answer: A) Carbon dioxide

Explanation:
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Filed Under: Chemistry
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Q:

_____ are a group of chemicals that influence cell division and shoot formation.

A) Cytokinins B) Gibberellins
C) Domins D) Auxins
 
Answer & Explanation Answer: A) Cytokinins

Explanation:
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Filed Under: Biology
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Q:

The formed elements in the blood are

A) Erythrocytes B) Leucocytes
C) Thrombocytes D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

The formed elements are so named because they are enclosed in a plasma membrane and have a definite structure and shape.

 

The formed elements in the blood are Erythrocytes (RBC's), Leukocytes (WBC's) and Thrombocytes (Platelets).

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Filed Under: Biology
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Q:

One of the techniques used for desalination of sea water is

A) Filtration B) Distillation
C) Evaporation D) Condensation
 
Answer & Explanation Answer: B) Distillation

Explanation:
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Filed Under: Chemistry
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Q:

Which of the following regions has the highest potential for wind energy?

A) The Deccan Plateau B) Gangetic planes
C) Western Ghats D) The Himalayas
 
Answer & Explanation Answer: C) Western Ghats

Explanation:
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Filed Under: Indian Geography
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. Ifa sentence is free from error, select 'No Error'.

My elder son deals with (1)/ spare parts and manages (2)/ his bread and butter. (3)/ No Error (4)

 

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

Explanation:
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