zoology MCQs with Explanations - Chapter-wise Practice Questions

One strand turns anticlockwise
Phosphate groups at the start of two DNA strands (poles) are in opposite position
Phosphate groups of two DNA strands at their ends share the same position
One strand turns clockwise

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Q. 25 of Quiz- (Que-ID : 3443)

Bacillus thruingiensis (Bt) strains have been used for designing nobel:

Biofertilizers
Biometallurgical techniques
Biomineralization processes
Bioinsecticidal plants

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Q. 6 of Quiz- (Que-ID : 2949)

Control of gene expression takes place at the level of

DNA-replication
transcription
translation
none of the above

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Q. 21 of Quiz- (Que-ID : 2889)

Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis ?

Trichomoniasis is an STD whereas others are not.
Gonorrhoea is a viral disease whereas others are bacterial
HIV is a pathogen whereas others are diseases
Hepatitis B is eradicated completely whereas others are not

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Q. 2 of Quiz- (Que-ID : 3370)

Which of the following is not used as a biopesticide ?

Trichoderma harzianum
Nucleopolyhedrovirus
Xanthomonas campestris
Bacillus thuringiensis

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Q. 25 of Quiz- (Que-ID : 3268)

Which one of the following groups of animals is bilaterally symmetrical and triploblastic

Aschelminthes (round worms)
Ctenophores
Sponges
Coelenterates (Cnidarians)

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Q. 18 of Quiz- (Que-ID : 572)

photosynthesis takes place faster in

darkness
red light
white light
yellow light

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Q. 22 of Quiz- (Que-ID : 3390)

Process of biogas production is

aerobic process
anaerobic process
active process
passive process

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Q. 19 of Quiz- (Que-ID : 3487)

Ecological pyramids were first devised by

Charles Eltom
R. Hesse
R.A. Lindemann
Justus von Liebig

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Q. 8 of Quiz- (Que-ID : 2976)

Green glands/ antennal glands are excretory structures of which organism

Earthworm
Prawn
Cockroach
Planaria

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Q. 1 of Quiz- (Que-ID : 3927)

Feedback inhibition of enzymes is affected by which of the following

enzyme
substrate
end products
intermediate end products

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Q. 12 of Quiz- (Que-ID : 3180)

Which one of the following is a scent gland of mammals?

Bartholin
Anal
Prostate
Adrenal

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Q. 17 of Quiz- (Que-ID : 2960)

If the sequence of bases in one strand of DNA is ATGCATGCA, what would be the sequence of bases on complementary strand ?

ATGCATGCA
AUGCAUGCA
TACTACGT
UACGUACGU

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Q. 5 of Quiz- (Que-ID : 2823)

A diploid parent plant body produces gametes and a haploid parent plant body produces gametes.

diploid, haploid
haploid, diploid
diploid, diploid
haploid, haploid

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Q. 16 of Quiz- (Que-ID : 3334)

Which form of pathogen is used in vaccination ?

Activated and strong pathogenic antigens
Inactivated and weakened pathogenic antigens
Hyperactive and strong pathogen
Preformed antibodies

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Q. 6 of Quiz- (Que-ID : 3424)

Transgenic Golden Rice has Highly Nutrient value for:

Lysine
Methionine
Glutanin
Vitamin-A

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Q. 25 of Quiz- (Que-ID : 3951)

The most common monomer of carbohydrates is

Sucrose
Fructose
Maltose
Glucose

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