Questions

Q:

A forensic tool used to identify the chemical makeup?

 

A) calibur B) lie detector
C) gas chromatograph D) ballistics
 
Answer & Explanation Answer: C) gas chromatograph

Explanation:
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Filed Under: Physics
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1 63021
Q:

Which is the first country to receive the batch of free Covid vaccines through COVAX scheme?

 

A) DRC B) Ethiopia
C) Sudan D) Ghana
 
Answer & Explanation Answer: D) Ghana

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Filed Under: General Awareness
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1 63014
Q:

K-9 Journal, which was recently released, is associated with which field?

 

A) Pandemic B) Robotics
C) Medicine D) Policing
 
Answer & Explanation Answer: D) Policing

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1 62909
Q:

Which of the following statements regarding soil is/are correct?

1.Alluvial soils are rich in nitrogen content.

2.Black soils are rich in iron and lime but deficient in nitrogen.

3.Laterite soils are rich in iron and aluminium but deficient in nitrogen and potassium.

 

Select the correct answer using the code given below.

A) 1 and 2 only B) 3 only
C) 2 and 3 only D) 1, 2 and 3
 
Answer & Explanation Answer: C) 2 and 3 only

Explanation:

Alluvial Soils

The proportion of nitrogen is generally low, but potash, phosphoric acid and alkalis are adequate, while iron oxide and lime vary within a wide range.

Black Soils

Chemically, the black soils are rich in lime, iron, magnesia and alumina. They also contain potash. But they lack in phosphorus, nitrogen and organic matter.

Laterite Soils

With rain, lime and silica are leached away, and soils rich in iron oxide and aluminium compound are left behind.

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Filed Under: Indian Geography
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1 62756
Q:

The Union Cabinet has approved the export of which missile system of India?

 

A) Nag B) Amogha
C) Akash D) Prithvi
 
Answer & Explanation Answer: C) Akash

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2 62730
Q:

What will be output when you will execute following c code?

#include <stdio.h>
void main()

{
    int const SIZE = 5;
    int expr;
    double value[SIZE] = { 2.0, 4.0, 6.0, 8.0, 10.0 };
    expr=1|2|3|4;
    printf ( "%f", value[expr] );
}

A) 2.000000 B) 4.000000
C) 8.000000 D) Compilation error
 
Answer & Explanation Answer: D) Compilation error

Explanation:

Size of any array in c cannot be constantan variable.

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Filed Under: Programming

24 62683
Q:

Which country’s Mars Digger probe named the ‘Mole’ was declared dead recently?

 

A) USA B) Israel
C) UAE D) China
 
Answer & Explanation Answer: A) USA

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1 62648
Q:

Who has been elected as the next Director General of the International Solar Alliance (ISA)?

 

A) Upendra Tripathy B) Subash Chandra Khuntia
C) Ajay Mathur D) Ajay Kumar Bhalla
 
Answer & Explanation Answer: C) Ajay Mathur

Explanation:
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3 62637