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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

In onion food is stored in_______________?

A Aerial stem
B Root
C Scale leaves
D Bud
Correct Answer: Scale leaves

Nobel prize to Komberg and Ochoa was given for ________?

A Artificial synthesis of genes
B Chemistry of DNA and RNA
C One gene one enzyme hypothesis
D Artificial sysnthesis of DNA
Correct Answer: Artificial sysnthesis of DNA

The term ‘gene’ refers to __________?

A A portion of RNA
B A linkage group
C A portions of DNA
D A sequence of Amino
Correct Answer: A portions of DNA

In chrosomes, the material controlling heredity is ________ ?

A DNA
B Histones
C Chromocentres
D RNA
Correct Answer: DNA

The function of chrosomes of carrying genetic information from cell generation to another is performed by _________?

A RNA
B DNA
C Histones
D Calcium
Correct Answer: DNA

Genes are made up of ________ ?

A Histones
B Lipoproteins
C Polynucleotides
D Hydrocarbons
Correct Answer: Polynucleotides

The chromosomes as thread like structures in nucleus was first described by ________?

A Mendel
B Strasburger
C Darwin
D Levitzky
Correct Answer: Strasburger

Lampbrush chromosomes are found inside _______?

A Salvary glands of Drosophila
B Salvary gland of silk moth
C Oocytes of frog
D Nucleus of man
Correct Answer: Oocytes of frog

A normal metaphase chromosome with a midial centromere is ________?

A Metacentric
B Sub-metacentric
C Acrocentric
D Telocentric
Correct Answer: Metacentric

The term ‘gene’ was first used by _______?

A Johannsen
B Mendel
C Lemark
D Cuvier
Correct Answer: Johannsen
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