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MDCAT Biology Chapter 9 Life process in Animals & Plants Online Test MCQs With Answers
Question # 1
Blood pressure is also an example of _______ trait
Choose an answer
Multifactorial
Qualitative
Single genic
Both a & b
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Question # 2
Queen victoria was having which kind of haemophilia
Choose an answer
A
B
C
None
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Question # 3
The chances of which hemophilia is equal in males & females
Choose an answer
A
B
C
All
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Question # 4
Anti-Rh antibodies appear in plasma
Choose an answer
During first few months
During last months
Only when stimulated
If Rh
+
individual mistakenly receives Rh
-
blood
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Question # 5
What happens when both alleles of a gene pair independently express in a heterozygote?
Choose an answer
dominance
incomplete dominance
over dominance
codominance
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Question # 6
Mutation may be caused by
Choose an answer
Chemicals
Radiations
Mutagens
All of these
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Question # 7
Point mutation occurs in
Choose an answer
Sickle cell anemia
Phenylketonuria
Alkaptonuria
All
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Question # 8
Homogenetistic acid is oxidized rapidly when exposed to air, turning the urine
Choose an answer
White
Purple
Blue
Black
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Question # 9
What is the probability of having albino child if father and mother both are carrier(Aa)
Choose an answer
25%
30%
50%
75%
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Question # 10
Mutatuons are inherited only if they occur in the
Choose an answer
Gland cells
Gametes
Muscle cells
Somatic cells
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Question # 11
Diabetes is the leading cause of
Choose an answer
Kidney failure
Adult blindness
Heart disease
All of these
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Question # 12
Which phenomenon reduces the chances of genetic recombination and variations among offspring ?
Choose an answer
linkage
crossing over
independent assortment
dominance
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Question # 13
Two parents of blood group A had a child of blood group O, what will be percentage chances of having such child again
Choose an answer
25%
50%
75%
None
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Question # 14
When a haemophilic carrier woman marries a normal man, who among her offspring may be affected
Choose an answer
all her children
all her daughter
half of her daughter
half of her sons
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Question # 15
What is the 5th amino acid in sickle cell beta chain
Choose an answer
Histidine
Proline
Leucine
Valine
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Question # 16
Man has ____________ linkage group
Choose an answer
23
21
25
46
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Question # 17
In case of sickle cell anemia, in place of glutamic acid, _________ is found
Choose an answer
Histidine
Valine
Proline
Leucine
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Question # 18
If the distance of 20 map units is found among two linked loci what would be the percentage of cross gametes
Choose an answer
40%
60%
20%
10%
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Question # 19
When a single gene has multiple phenotypic effects, the phenomenon is called:
Choose an answer
condominance
epistasis
pleiotropy
sex-linkage
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Question # 20
A blue cone monochormate
Choose an answer
Can perceivetwo colours
Can't perceiveany colour
Can perceive only blue colour
Can perceive only red colour
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Question # 21
A phenotype which can't be expressed in heterozygous state but can only be expressed other in homo or hemi form, would be
Choose an answer
Dominant
Bombay
Recessive
Ordinary
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