Questions

Q:

Along the path of the vas deferens which glands add their secretions in the sperms?

 

I. Prostate

II. Seminal vesicles

III. Scrotum

 

A) Only I and III B) Only I and II
C) Only II and III   D) All I, II and III
 
Answer & Explanation Answer: B) Only I and II

Explanation:
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Filed Under: Biology
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1 54959
Q:

Group 8A of the periodic table contains the

 

A) least reactive metals B) most reactive nonmetals
C) most reactive metals D) least reactive nonmetals
 
Answer & Explanation Answer: D) least reactive nonmetals

Explanation:

Helium (He), Neon(Ne), Argon(Ar), Krypton (Kr), Xenon (Xe), Radon (Rn) and Ununoctium (Uuo) are present group 8A.

 

They have fully filled orbitals and hence are most stable amongst all the elements in the periodic table and are considered as least reactive least reactive non-metals.

 

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Filed Under: Chemistry
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1 54929
Q:

Elements having same atomic numbers but different mass number are called ______.

 

 

A) isotones B) Isotopes
C) isomopes D) isobar
 
Answer & Explanation Answer: B) Isotopes

Explanation:
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Filed Under: Chemistry
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0 54880
Q:

Consider the following constituent gases of the atmosphere :

1. Argon

2. Neon

3. Helium

4.Ceirbon dioxide

Which one of the following is the correct ascending sequence of the above gases in terms of the volume percentage?

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

Explanation:
Composition of Dry Air (Substance, % by volume)
Nitrogen, N2 78.08
Oxygen, O2
20.95
Argon, Ar 0.93
Carbon dioxide, CO2 0.033
Neon, Ne 0.0018
Helium, He 0.00052
Methane, CH4 0.0002
Krypton, Kr 0.00011
Dinitrogen oxide, N2O 0.00005
Hydrogen, H2 0.00005
Ozone, O3 0.000001
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Filed Under: Chemistry
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0 54819
Q:

What will be output of following c code?

#include <stdio.h>
int main()

{
    int x=123;
    int i={
         printf("c" "++")
    };
    for(x=0;x<=i;x++){
         printf("%x ",x);
    }
    return 0;

}

Answer

Output: c++0 1 2 3

Explanation: First printf function will print: c++ and return 3 to variable i.For loop will execute three time and printf function will print 0, 1, 2 respectively.

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Subject: Programming

97 54811
Q:

What is formed when helium atom loses one electron?

 

A) Proton B) Positive helium ion
C) Negative helium ion D) Alpha particle
 
Answer & Explanation Answer: B) Positive helium ion

Explanation:
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Filed Under: Chemistry
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1 54707
Q:

Which shows the order in which vertebrates evolved?

 

 

A) fish, reptiles, amphibians, birds, mammals   B) amphibians, fish, reptiles, birds, mammals  
C) amphibians, fish, birds, reptiles, mammals   D) fish, amphibians, reptiles, birds, mammals
 
Answer & Explanation Answer: D) fish, amphibians, reptiles, birds, mammals

Explanation:
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Filed Under: Biology
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3 54705
Q:

For internal financing of Five Year Plans, the Government depends on ___________.

 

A) taxation and public borrowing   B) taxation, public borrowing and deficit financing  
C) Only taxation D) public borrowing and deficit financing
 
Answer & Explanation Answer: D) public borrowing and deficit financing

Explanation:
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Filed Under: Indian Economy
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1 54610