Questions

Q:

Infiltration is the process by which rainwater becomes

A) river water B) ground water
C) salt water D) ocean water
 
Answer & Explanation Answer: B) ground water

Explanation:

The process of absorbtion of rain water by the soil on the earth is called infiltration. By this process, the rain water that falls on the soil becomes ground water.

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Filed Under: Chemistry
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Q:

In economics, the cost of something is

A) the dollar amount of obtaining it B) what you give up to get it
C) often impossible to quantify, even in principle D) always measured in units of time given up to get it
 
Answer & Explanation Answer: B) what you give up to get it

Explanation:

In economics, the cost of something is what you give up to get it.

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Filed Under: Indian Economy
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Q:

Where would rna polymerase attach?

A) Phosphate groups B) DNA
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) DNA

Explanation:

RNA polymerase attach to DNA molecule.

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Filed Under: Biology
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Q:

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.


Kunal said, "Tanu is coming this week."

A) Kunal says that Tanu was coming that week. B) Kunal says that Tanu was coming this week.
C) Kunal said that Tanu was going to be come this week. D) Kunal said that Tanu was coming that week.
 
Answer & Explanation Answer: D) Kunal said that Tanu was coming that week.

Explanation:
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Filed Under: English
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Q:

Who is the founder of Maratha empire?

A) Shivaji Maharaj B) Akbar
C) Ashoka D) Zahangeer
 
Answer & Explanation Answer: A) Shivaji Maharaj

Explanation:

Shivaji Maharaj was the founder of Maratha empire.

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Q:

C program to find whether a number is palindrome or not.

Answer

 #include<stdio.h>
int main(){
    int num,r,sum=0,temp;

    printf("Enter a number: ");
    scanf("%d",&num);

    temp=num;
    while(num){
         r=num%10;
         num=num/10;
         sum=sum*10+r;
    }
    if(temp==sum)
         printf("%d is a palindrome",temp);
    else
         printf("%d is not a palindrome",temp);

    return 0;
}

Sample output:
Enter a number: 131
131 is a palindrome

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Subject: Programming

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Q:

For a certain reaction,DGq = -45 kJ/mol and DHq= -90 kJ/mol at 0°C. What is the minimum temperature at which the reaction will become spontaneous, ifDHq and DSq are independent of temperature?

A) 273 K B) 298 K
C) 546 K D) 596 K
 
Answer & Explanation Answer: C) 546 K

Explanation:

T = 273 °K

Using the formula,

DGq = DHq –TDS

-45 = -90 –273 DS

DS = 0.164

Now since DHq and DSq are independent,T2= DH/DS = 45/0.164 = 273°K

Required Temp = 273 + 273 = 546°K

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Filed Under: Physics
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Q:

The study of brain is called

A) Neurology B) Nephrology
C) Phrenology D) Pathology
 
Answer & Explanation Answer: C) Phrenology

Explanation:

The study of brain is called Phrenology.

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Filed Under: General Science
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