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NEET Zoology PYQs
Class XI & Class XII
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🧬 Zoology
📘 Class XI & XII
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407 questions in Zoology
In human beings, at the end of 12 weeks
(first trimester) of pregnancy, the following is observed:
A
Eyelids and eyelashes are formed
B
Most of the major organ systems are formed
C
The head is covered with fine hair
D
Movement of the foetus
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Progestogens alone or in combination with estrogens can be used as a contraceptive in the form of:
A
Implants only
B
Injections only
C
Pills, injections and implants
D
Pills only
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Which of the following STDs are not curable?
A
Genital herpes, Hepatitis B, HIV infection
B
Chlamydiasis, Syphilis, Genital warts
C
HIV, Gonorrhoea, Trichomoniasis
D
Gonorrhoea, Trichomoniasis, Hepatitis B
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Select the option including all sexually transmitted diseases.
A
Gonorrhoea, Syphilis, Genital herpes
B
Gonorrhoea, Malaria, Genital herpes
C
AIDS, Malaria, Filaria
D
Cancer, AIDS, Syphilis
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In which of the following techniques, the embryos
are transferred to assist those females who cannot
conceive?
A
ZIFT and IUT
B
GIFT and ZIFT
C
ICSI and ZIFT
D
GIFT and ICSI
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From his experiments, S.L. Miller produced amino
acids by mixing the following in a closed flask:
A
CH4 , H2 , NH3 and water vapor at 800°C
B
CH3 , H2 , NH4 and water vapor at 800°C
C
CH4 , H2 , NH3 and water vapor at 600°C
D
CH3 , H2 , NH3 and water vapor at 600°C
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Embryological support for evolution was
disapproved by:
A
Karl Ernst von Baer
B
Alfred Wallace
C
Charles Darwin
D
Oparin
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Which of the following refer to correct example(s)
of organisms which have evolved due to changes
in environment brought about by anthropogenic
action?
A
only (A)
B
(A) and (C)
C
(B), (C) and (D)
D
only (D)
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Flippers of Penguins and Dolphins are examples
of:
A
Adaptive radiation
B
Convergent evolution
C
Industrial melanism
D
Natural selection
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After about how many years of formation of earth, life appeared on this planet?
A
500 billion years
B
50 million years
C
500 million years
D
50 billion years
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