Biology MCQs

Page No. 82

There are mainly __________ types of tRNA?


a170

✖


b20

✓


c25

✖


d15

✖


View Answer 20

Which conjegated molecules play important role in gene expression___________?


aGlycolipids

✖


bGlycoproteins

✖


cNucleohistones

✓


dNone of these

✖


View Answer Nucleohistones

A genome is___________?


aAppearance of an individual

✖


bGenetic basis of few characters

✖


cFull set of genes of an individual

✓


dAll of these

✖



rRNA constitutes ____________% of the total cellular RNA?


a3-4 %

✖


b10-20%

✖


c80%

✓


d90%

✖


View Answer 80%

Genes will not be found in gene pairs in the_____________?


aMuscle cell of worm

✖


bUterine cells of dog

✖


cSperm cells of frog

✓


dGuard cells of leaf

✖


View Answer Sperm cells of frog

The red green color blindness is sex linked recessive condition in man. A father with normal vision and a color blind mother world expect to produce.


aColor blind sons and daughter with normal vision

✓


bSons with normal vision and color blind daughters

✖


cColor blind sons colour blind daughters and daughters with normal vision

✖


dSons with normal vision colour blind daughter and daughters with normal vision

✖



Most of the cellular secretions are ________ in nature?


aGlycolipids

✖


bGlycoproteins

✓


cNucleohistones

✖


dProteins

✖


View Answer Glycoproteins

Which one of the following stage preceeds mitosis during cell cycle?


aG1 phase

✖


bS phase

✖


cG2 phase

✓


dM phase

✖


View Answer G2 phase

Which one of the following syndrome is the result of meiotic non dysjunction?


aKlinefelters syndrome

✖


bTurners syndrome

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cDowns syndrome

✖


dAll of these

✓


View Answer All of these

Which one of the following is correct sequence of stages of prophase 1 of meiosis


aDiakinesis diplotene pachytene leptotene zygotene

✖


bZygotene leptotene pachytene diplotene diakinesis

✖


cLeptotene zygotene pachytene diplotene diakinesis

✓


dPachytene leptotene diplotene zygotene diakinesis

✖



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