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Genetics & Biotechnology Sem. VI (Paper No. XIX)
Practice MCQ Exam.as per BAM university, Aurangabad
1. Solve any 50 Multiple Choice Questions (MCQ) out of 60
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Q. 33 Who discovered restriction enzymes
Nathan, Arber and Smith
Watson, Crick and Wilkins
Boyer and cohen
Paul berg
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Q. 20 Colour blindness is found more in males than in females because
The males containing the single affected X chromosome are colour blind
Heterozygous females are colour blind
Males having affected Y chromosome are colour blind
Affected X chromosome has much high affinity to Y chromosome as compared to unaffected X chromosome
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Q. 1 Mendel was a
Austrian biology teacher
Austrian monk
Austrian scientist
Austrian mathematician
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Q. 37 Mendel presented his works in
Natural History Society in Russia
Natural History Society in America
Natural History Society in Brunn
Natural History Society in Germany
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Q. 16 If a plant with genotype AaBb is self-fertilized, the probability of getting AABB genotype will be (A and B are not linked)
½
¼
⅛
1/16
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Q. 49 Genic balance theory of sex determination was given by
Morgan
Mendel
Darwin
Bridges
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Q. 32 Humans have __________ pairs of chromosomes.
12
23
4\6
55
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Q. 3 Genotype is the
genetic constitution
genetic constitution of the phenotype
trait expressed
expressed genes
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Q. 40 Mendel’s hybridization strategy was use of two plants
differing in a pair of contrasting character
differing in two pairs of contrasting character
differing in many pairs of contrasting character
none of the above
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Q. 13 Which of the following statements is true regarding the “law of segregation”?
Law of segregation is the law of purity of genes
Alleles separate from each other during gametogenesis
Segregation of factors is due to the segregation of chromosomes during meiosis
All of the above
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Q. 21 Which one is a sex-linked disease
Tylosis
Beri-beri
Colour blindness
Albinism
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Q. 41 The hybrid progeny in the first generation is called as
F0
F1
F2
F"
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Q. 34 In the case of Birds, Male are ----
Homogametic
Heterogametic
Both above
All of above
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Q. 23 If a colour blind lady marries a normal man, their children will be
Normal daughters and normal sons
Normal sons and carrier daughters
Colour blind sons and carrier daughters
Colour blind sons and colour blind daughters
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Q. 44 The tendency of genes to remain together during the process of inheritance is known as
Sex linkage
Linkage
Differential inheritance
Optional linkage
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Q. 10 If a plant with genotype AaBb is self-fertilized, the probability of getting AABB genotype will be (A and B are not linked)
½
¼
⅛
1/16
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Q. 22 Which one is the sex linked trait
Myxoedema
Diabetes
Blindness
Haemophilia
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Q. 8 The phenotypic ratio of a monohybrid cross is
3:1
1:2:1
2:1:1
9:3:3:1
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Q. 47 --- techniques is used for the detection of genetic disorder
Amniocentesis
ECG
Widal test
Elisa
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Q. 48 Restriction endonucleases have the ability of cutting
DNA at random sites
DNA at specific sites
Both above
DNA and RNA random sites
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Q. 17 How many phenotypes can occur in the human blood group ABO with alleles IA IB i?
2
3
4
1
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Q. 19 A colour blind man marries the daughter of a colour blind person. Then in their progeny
None of their daughters are colour blind
All the sons are colour blind
All the daughters are colour blind
Half of their sons are colour blind
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Q. 50 Which of the following would not be used inpreparing recombinant DNA?
Plasmids
Phages
Restriction enzymes
DNA polymerase III
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Q. 9 F3 generation is obtained by
selfing of F1
selfing of F2
crossing of F1 and F2
none of these
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Q. 7 Monohybrid ratio is
9:3:3:1
9:1
9:3:1
3:1
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Q. 30 The pattern of sex determination in birds is
Compound sex
X0- XX
XY-XX
WZ-ZZ type
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Q. 24 The character of organisms is said to be sex linked when its gene is carried on
Y chromosomes
X chromosome of male or female
X and Y chromosomes
A particular autosome
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Q. 28 In the case of Birds, Male are ----
Homogametic
Heterogametic
Both above
All of above
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Q. 45 Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be
All normal
All colour blind
All sons colour blind
Some sons normal and some colour blind
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Q.4 A cross in which parents differ in a single pair of contrasting character is called
monohybrid cross
dihybrid cross
trihybrid cross
tetrahybrid cross
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Q.2 A cross in which parents differ in a single pair of contrasting character is called
monohybrid cross
dihybrid cross
trihybrid cross
tetrahybrid cross
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Q. 46 A man who carries a sex linked gene on his `Y' chromosome will transmit this gene to
Half of his sons
Half of his daughters
All his sons
All his daughters
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Q.42 The recessive character will express in
F1
F2
Both above
F3 only
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Q. 26 Sex linked characters have one distinct feature
Always follows criss-cross inheritance
Never follow criss-cross inheritance
May be present on Y-chromosome
Only present on X-chromosome
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Q. 27 Two bacteria most useful in genetic engineering are
Rhizobium and Azotobacter
Nitrosomonas and diplococcus
Escherichia and Agrobacterium
Rhizobium anf Diplococcus
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Q. 35 In Co - dominanace, when red cattle (RR) are crossed with white cattle (rr), the F1 hybrids have ---- coloured skin
Red
White
Roan
Pink
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Q. 5 The major reason for the success of Mendelian experiments was
Garden pea was true breeding
Garden pea was cross breeding
Garden pea was heterozygous
Garden pea was easily available
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Q. 43 Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be
All offsprings are haemophilic
All girls are haemophilic
All sons are haemophilic
Half daughters and half sons are haemophilic
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Q. 38 The alternate forms of a gene is called
recessive character
dominant character
alleles
alternative gene
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Q.15 The number of types of gametes produced by a homozygous individual is
1
2
3
many
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Q. 39 The number of types of gametes produced by a heterozygous individual is
1
2
3
many
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Q. 36 Who is regarded as the father of genetics?
Morgan
Mendel
watson
Gregor Mendel
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Q. 11 9:7 ratio in the F2 generation represents
Incomplete dominance
Co-dominance
Epistasis
Complementary interaction
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Q.6 The character that is express in the F1 is called the
recessive character
dominant character
co dominant character
none of these
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Q. 25 Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be
All normal
All colour blind
All sons colour blind
Some sons normal and some colour blind
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Q. 31 Which of the followings is male in grasshopper?
XX
XY
X
Y
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Q. 29 Mendel presented his works in
Natural History Society in Russia
Natural History Society in America
Natural History Society in Brunn
Natural History Society in Germany
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Q. 18 Which term represents a pair of contrasting characters?
Heterozygous
Homozygous
Codominant genes
Allelomorphs
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Q. 14 The major reason for the success of Mendelian experiments was
Garden pea was true breeding
Garden pea was cross breeding
Garden pea was heterozygous
Garden pea was easily available
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Q. 12 An exception to Mendel’s law is
Independent assortmen
Linkage
Dominance
Purity of gametes
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