RRB Group D| General Science

 General Science


1.   In Human beings the process of digestion of food begins in:

 

a)      Stomach

b)      Food Pipe

c)      Mouth

d)      Small Intestine

Answer: c


 

2.   Which of the following organism have parasitic mode of nutrition?

 

a)      Penicillium

b)      Plasmodium

c)      Paramecium

d)      Parrot

Answer: b

 



 

3. Name the first enzyme that mix with food in the digestive tract?

a)      Pepsin

b)      Trypsin

c)      Amylase

d)      None of the above

Answer: c

 

 

 

 

4. Which of the following statement is true about ionic compounds?

1.   Ionic compounds conduct electricity when dissolved in water.

2.   Ionic compounds are not soluble in water.

3.   Ionic compounds are crystalline solids.

Correct options are:

a)      Both 1 and 3

b)      Both 1 and 2

c)      Both 2 and 3

d)      All the three

Answer: a

 

 

 

 

4.   5. The solution of one of the following compounds will conduct electricity. This compound is:

 

a)                    CCl4

 

b)            HCl

 

c)            CaCl2

 

   d)      CH3Cl

 

Answer: c

 

 

 

 

5.   6. What is an ionic bond?

 

a)      Ionic bond is formed by sharing of electrons between two atoms.

b)      It is a bond formed by the transfer of electrons from one atom to   another.

c)      Both A and B are correct

d)      None of the above

Answer: b

 

 

 

6.   7. Which mission of NASA brought first human to moon?

 

a)      Apollo program

b)      Gemini Program

c)      Mercury Program

d)      None of the above

Answer: a

 

 

 

 

7.   8. Name the first Spacecraft to visit the Solar System?

 

a)      Pioneer 10 and Pioneer 11

b)      Ranger 1 and Ranger 2

c)      Surveyor 6 and Surveyor 7

d)      Viking 1 and Viking 2

Answer: a

 

 

 

8.  9.  Which of the following in biology is the energy currency of cells?

 

a)      PDP

b)      DTP

c)      ATP

d)      ADP

Answer: c

 

 

 

9.   10. In the stem of a plant respiration and breathing takes place through:

 

a)      Lenticels

b)      Stomata

c)      Root hair

d)      Air tubes

Answer: a

 

 

 


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