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Biology 1525 MCQs [All-Courses]

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Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

All Topics  1525

Gram +ve bacteria on treatment with crystal violet dye give _________colour?
A red
B green
C purple
D pink
Correct Answer: purple
Non-enveloped naked viruses are known as___________?
A prions
B bacteriophages
C oncoviruses
D virions
Correct Answer: virions
In human beings influenza is caused by_________?
A bacteria
B protist
C virus
D fungi
Correct Answer: virus
In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen?
A echinodermata
B mollusca
C nematoda
D arthropoda
Correct Answer: arthropoda
Snails belong to_________?
A gastropods
B bivalves
C arthropods
D platyhelminthes
Correct Answer: gastropods
Amoeba moves in water with the help of locomotory organs called_________?
A tube feet
B cilia
C pseudopodia
D flagella
Correct Answer: pseudopodia
Liver fluke is parasite in the liver of__________?
A cattle
B sheep
C goat
D all of these
Correct Answer: all of these
In all coelentrates endoderm give rise to__________?
A nervous system
B digestive system
C reproductive system
D circulatory system
Correct Answer: digestive system
Higher vascular plants are also called__________?
A flowering plants
B seed plants
C ferns
D none of these
Correct Answer: seed plants
The plants which produce embryo but lack vascular tissues and seeds are placed in_________?
A bryophytes
B pteridophytes
C tracheophytes
D all of these
Correct Answer: bryophytes
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