Science Questions

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Science Questions

Science a subject of what we see daily what we do on daily basis in our lives and there are good number of science questions in every exam  either it be ssc or UPSC. Some candidate find science question very hard to answer because lack of study science so no need to worry . science questions asked in general government examination are of general science that means science we use daily. So here we have given you set of science questions to practice out and do best in exam

So here are some science questions.

 

1.. Why is it difficult to see through fog?
(a)Rays of light suffer total internal reflection from the fog droplets
(b) Rays of light are scattered by the fog droplets
(c) Fog droplets absorb light
(d) The refractive index of fog is extremely  High

 

2. Superconductivity is a material property associated with

(a) cooling a substance without a phase change
(b) frictionless liquid flow
(c) a loss of thermal resistance
(d) a loss of electrical resistance

 

3. The following processes take place during the launching of a rocket:

1. Rocket fuel is burnt.
2. Gases are produced.
3. Rocket moves in the forward direction.
4. Gases come out with momentum in back ward direction.
The correct sequential order in which the above processes occur, is
(a) 1,2,3,4
(b) 1,3,2,4
(c) 1,2,4,3
(d) 1,3,4,2

 

 

4. Which of the following statements are true regarding transmission of television programmes?

1. Picture is transmitted with velocity of light.
2. Sound is transmitted with velocity of sound.
3. Sound is transmitted with velocity of light.
4. Different colours of the picture are transmitted with different velocities.
(a) l and 3
(b) 1,2 and 3
(c) 2,3 and 4
(d) l,3 and 4

 

5 .   Which reference to ‘stem cells’, frequently in the news, which of the following statements is/are correct?

  1. Stem cells can be derived from mammals only
  2. Stem cells can used for screening new drugs
  3. Stem cells can be used for medical therapies.

Select the correct  answer using the codes given below

(a)    1 and 3           (b) 2 and 3

(c)    Only 3            (d) 1, 2 and 3

 

 6. Other then resistance to pests,. what are the prospects for which genetically engineered plants have been created?

  1. To enable them to withstand drought.
  2. To increase the nutritive value of the produce.
  3. To enable them to grow and do photo stations.
  4. To increase their shelf life.

Select the correct answer using the codes given below

         Codes

(a)    1 and 2           (b)  3 and 4

(c)    1, 2 and 4       (d) 1, 2, 3 and 4

 

 7. Procurement of foodgrains at the support prices

  1. Ensures stability in farm prices.
  2. Ensures remunerative prices farmers.
  3. Helps builing public stocks of foodgrains.
  4. From producers to consumers.

Which of the statement(s) given above is/are correct?

       (a)    1, 2, 3 and 4   (b)  2 and 3

(c)    Only 3            (d) Only 4

 

 8. Match List I with List II and select the correct answer using the codes given below the lists.

List I                       List II

  1. GSM         1. Standard for wireless communication which run at speed up to 115                                           kb/s.
  2. CDMA     2. Evolved GSM  and Provides faster and reliable data transmission.
  3. GPRS       3. Transmission channel optimissing the use of availale bandwidth.
  4. EDGE      4. Standard for mobile phones making international roaming convenient.

         Codes :

                 A    B   C  D        A     B   C   D

(a)    2     4    3   1   (b)  2      3    4    1

(c)    4     3    1   2   (d) 4      3    1    2

 

 9. Which of the following statements is correct about the gamma-rays?

(a)    Gamma-rays lie in between UV-and X-ray

(b)    Gamma rays are used in the irradiation of food and sterilization medicinal equipments

(c)    Diagnostic imaging instrument PET scans is based on the Gamms-rays

(d)    Both statements (b) and (c) are correct about the Gamma-rays

 

10. To an observer on the earth the stars appear to twinkle. This can be described to

(a)    frequent absorption of star light by earth’s atmosphere

(b)    the fact that stars do not emit light continuously to their own atmosphere 

(c)    the refractive index fluxtuations in earth’s atmosphere

(d)    frequent absorption of star light by their own atmosphere

 

 

 11.Consider the following statements

  1. For a normal human eye, the least distance of distinct vision of 25 cm.
  2. The person suffering of colour blindness cannot distinguish the red and green colours distinctly.
  3. The colour blindness depends on various defects of the cylindrical (conical) cell of the retina.
  4. The presbyopia affected person uses bifocal lens and cylindrical lens.

Which of the statements given above are correct?

(a)    1, 2 and 4       (b)  2 and 3

(c)    2 and 3           (d) 1, 2 and 3

 

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