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Genetics MCQ Question with Answer

Genetics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 22
 A chemical mutagen is

X-rays
UV-rays
β-rays
5-Bromo-Uracil
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Question No : 23
If an individual does not breed true for its characters, it is called

homozygote
allelomorph
hybrid
ecotype
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Question No : 24
The number of characters investigated by Mendel was

four
seven
six
one
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Question No : 25
The science dealing with study of inheritance and variation is

Genetics
Evolution
Morphology
Cytology
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Question No : 26
The first person to induce mutations was

Hugo de Vries
T.H. Morgan
Sturtevant
H.J. Muller
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Question No : 27
A codon is a sequence of 3 nucleolides on

t-RNA
m-RNA
s-RNA
hn-RNA
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Question No : 28
In the Operon concept, the regulator gene regulates chemical reactions in the cell by

inhibiting transcription of m-RNA
inactivating enzymes in the reaction
inhibiting the substrate in the reaction
inhibiting the migration of m-RNA into cytoplasm
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Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

Exam Name No. Of Q Link
General Biology set 1 30 Start
General Biology set 2 30 Start
General Biology set 3 30 Start
General Biology set 4 30 Start
General Biology set 5 30 Start
General Biology set 6 30 Start
General Biology set 7 30 Start
General Biology set 8 30 Start
General Biology set 9 30 Start
General Biology set 10 30 Start
General Biology set 11 30 Start
General Biology set 12 30 Start