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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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