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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

Sex chromosomes present in female are _________?
A XY
B XX
C XXY
D XXX
Correct Answer: XX
which bonds are broken during oxidation reduction reaction.
A C-H
B C-N
C C-O
D C-S
Correct Answer: C-S
Which is not a category of classification in biology.
A ecotype
B Species
C Genus
D Order
Correct Answer: ecotype
The number of naturally accusing chemical elements involved in bio chemical reaction is
A 126
B 86
C 92
D 206
Correct Answer: 92
Medulla oblangata and pons are collectively called _________?
A Brain stem
B Brain base
C Brain root
D None of These
Correct Answer: Brain stem
Nuclein is in its nature?
A Basic
B Acidic
C Both
D None of these
Correct Answer: Acidic
Gonorrhoea is caused by ________?
A Gram + bacteria
B Gram – bacteria
C Chalko Virus
D Treponema palladium
Correct Answer: Gram – bacteria
Endocrine system consists of some/how _______ Endocrine glands /tissues.
A 59
B 29
C 78
D 20
Correct Answer: 20
Which is important for screening the input information, before they reach the higher brain centers?
A Pons
B Cranium
C Reticular formation
D Amygdala
Correct Answer: Reticular formation
Which is not recycled in the ecosystem?
A Wind
B Carbon
C Oxygen
D Energy
Correct Answer: Energy
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