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


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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