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Free download PDF of General knowledge(gk) multiple choice questions(mcqs) and answers on Biology. These general awareness quiz objective questions answers include mcqs on bio-diesel, probiotic food etc.
71
In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?
A
Cervix
B
Fallopian tube
C
Upper part of uterus
D
Lower part of uterus
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72
For which one of the following snakes is the diet mainly composed of other snakes?
A
Krait
B
Russell’s viper
C
King cobra
D
Rattlesnake
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73
The marine animal called Dugong which is vulnerable to extinction is
A
Mammal
B
Shark
C
Bony fish
D
Amphibian
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74
Which of the following statements is/are correct?
I. Viruses lack enzymes necessary for the generation of energy.
II. Viruses can be cultured in any synthesis medium.
III. Viruses are transmitted from one organisms to another by biological vectors only.
Select the correct answer using the codes given below.
A
I only
B
II and III only
C
I and III only
D
I, II and III
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75
Among the following, which one lays eggs and does not produce young ones directly?
A
Kangaroo
B
Echidna
C
Whale
D
Porcupine
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76
Consider the following statements : AIDS –is transmitted
I. By sexual intercourse
II. By blood transfusion
III. By mosquitoes and other blood sucking insects
IV. Across the placenta
A
I, II and III are correct
B
I, II and IV are correct
C
I, III and IV are correct
D
I and III are correct
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77
According to the World Health Organization (WHO), the disease which causes the death of the largest number of people today is
A
Ebola
B
AIDS
C
Malaria
D
Tuberculosis
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78
Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of bio-diesel in India?
I. Pongamia pinnata grows naturally in most of the arid regions of India.
II. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid.
Which of the statements given above is/are correct?
A
I only
B
II only
C
Both I and II
D
Neither I nor II
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79
Consider the following statements about probiotic food:
I. Probiotic food contains live bacteria which are considered beneficial to humans.
II. Probiotic food helps in maintaining gut flora.
Which of the statements given above is/are correct?
A
I only
B
II only
C
Both I and II
D
Neither I nor II
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80
With reference to soil conservation, consider the following practices:
I. Crop rotation
II. Sand fences
III. Terracing
IV. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India.
A
I, II and III only
B
II and IV only
C
I, III and IV only
D
I, II, III and IV
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