SSC General science MCQ GK Questions and Answers

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SSC UPSC general science MCQ GK Questions and Answers for all competitive exams UPSC SSC Bank Exams MCQ and Entrance exams Preparation Online free Gk Questions practice

 

16.
The Nobel Prize for Physiology or medicine 2010 was awarded for in vitro fertilization in humans to :

a
Thomas A. Steitz, A.E.Yonath, and Richard F. Heck.
b
Robert G.Edwards
c
Elizabeth H.Blackburn and C.W. Greider.
d
Roger D. Kornberg.

17.
Consider the following statements:
1.In our houses, the current in A.C. electricity line changes direction sixty times per second.
2.The frequency of alternating voltage applied is 60 Hz. Which of the above statements is/are true?

a
1 only
b
2 only
c
Neither 1 nor 2
d
Both

18.
Internal ear is filled with

a
lymph
b
endolymph
c
perilymph
d
both (a ) and ( b)

19.
The gravitational force with which the sun attracts the earth
1.is less than the force with which the earth attracts the sun
2.is the same as the force with which earth attracts the sun
3.is more than the force with which the earth attracts the sun
4.varies with the distance between them Which of the above statements is/are correct?

a
1 only
b
1 and 4
c
2 and 4
d
3 and 4

20.
Liraglutide has recently been approved as a drug, it has been developed to treat

a
obesity
b
leukemia
c
pancreatic cancer
d
breast cancer

21.
A circular loop of wire is rotated at constant angular speed about an axis that makes an angle q with a constant magnetic field as shown in figure. The emf induced in the coil will be zero at all times if

a
q = 45°
b
will never be zero
c
q = 0
d
q = 90°

22.
Pepsin requires acidic medium for its optimal enzymatic activity. The cells of the gastric glands that secrete HCl are:
1.goblet cells
2.parietal cells
3.chief cells
4.oxyntic cells

a
2, 4
b
3, 4
c
2, 3
d
1, 2

23.
When light enters a closed room through a small hole in the door, the image of an outside building appears as inverted on the opposite wall. This is because

a
The hole acts as a convex lens
b
The hole acts as a concave lens
c
Of rectilinear propagation of light
d
Light takes curvature at the edges of the hole

24.
Acid and alcohol react to form

a
Acid anhydride and water
b
Ester and water
c
Ketone and water
d
Aldehyde and water

25.
A medicinal substance given against the intake of poisons or to prevent a disease from having an effect is known as

a
antibiotic
b
antibody
c
antigen
d
antidote

26.
The compounds responsible for causing 'socks' to stink are
1.Butyric acid
2.Dimethyl sulphide
3.2-Heptanone
4.2-Nonanone
5. 2-Octanone Which compound(s) is/are present in the 'socks stink'?

a
1, 4 and 5
b
1, 2, 3, 4 and 5
c
1, 3, 4 and 5
d
1, 2, 3 and 5

27.
The most malleable metal is

a
iron
b
gold
c
silver
d
platinum

28.
An energy source will supply a constant current into the load if its internal resistance is

a
Very large as compared to the load resistance
b
Non-zero but less than the resistance of the load
c
Zero
d
Equal to the resistance of the load

29.
Consider the following statements:
1.The apparent weight of a body floating in a liquid is zero.
2.The weight of the liquid displaced by the immersed part of the body equals its weight. Which of the above statements is/are true?

a
Neither 1 nor 2
b
1 only
c
2 only
d
Both 1 and 2

30.
Containers for carrying strong acids are made of

a
lead
b
copper
c
brass
d
platinum

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