ASS_SET 1: Genetics & Biotechnology Paper No. XIX

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Practice MCQ Exam.as per BAM university, Aurangabad
1. Solve any 50 Multiple Choice Questions (MCQ) out of 60
2. Each Question carry 1 Mark.

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If the mother is the carrier for colourblindness and the father is normal, then in the offsprings this disease may be seen in

1 point

All the sons

All the daughters

50% sons and 50% daughters (carrier)

All the sons and not in daughters

Clear selection

If a plant with genotype AaBb is self-fertilized, the probability of getting AABB genotype will be (A and B are not linked)

1 point

⅛

1/16

Clear selection

A man who carries a sex linked gene on his `Y' chromosome will transmit this gene to

1 point

Half of his sons

Half of his daughters

All his sons

All his daughters

Clear selection

The traits controlled by the genes located on X chromosome of human beings are said to be

1 point

Sex linked

Sex influenced

Sex limited

None of these

Clear selection

If the genotype consists of only one type of allele. It is called

1 point

homozygous

hetreozygous

momoallelic

uniallelic

Clear selection

Sex linked characters have one distinct feature

1 point

Always follows criss-cross inheritance

Never follow criss-cross inheritance

May be present on Y-chromosome

Only present on X-chromosome

Clear selection

The number of types of gametes produced by a homozygous individual is

1 point

many

Clear selection

Sex-linked characters are

1 point

Dominant

Recessive

Lethal

Not inherited

Clear selection

The character that is express in the F1 is called the

1 point

recessive character

dominant character

co dominant character

none of these

Clear selection

Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be

1 point

All offsprings are haemophilic

All girls are haemophilic

All sons are haemophilic

Half daughters and half sons are haemophilic

Clear selection

Mendel presented his works in

1 point

Natural History Society in Russia

Natural History Society in America

Natural History Society in Brunn

Natural History Society in Germany

Clear selection

Which of the following statements are true regarding Law of segregation?

1 point

alleles separate with each other during gametogenesis

The segregation of factors is due to the segregation of chromosomes during meiosis

Law of segregation is called as law of purity of gametes

all of the above

Clear selection

A colour blind man marries the daughter of a colour blind person. Then in their progeny

1 point

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

Clear selection

A cross in which parents differ in a single pair of contrasting character is called

1 point

monohybrid cross

dihybrid cross

trihybrid cross

tetrahybrid cross

Clear selection

-- techniques is used for the detection of genetic disorder

1 point

Amniocentesis

ECG

Widal test

Elisa

Clear selection

The number of types of gametes produced by a heterozygous individual is

1 point

many

Clear selection

Which one is the sex linked trait

1 point

Myxoedema

Diabetes

Blindness

Haemophilia

Clear selection

How many phenotypes can occur in the human blood group ABO with alleles IA IB i?

1 point

Clear selection

The hybrid progeny in the first generation is called as

1 point

Clear selection

Monohybrid ratio is

1 point

9:3:3:1

9:1

9:3:1

3:1

Clear selection

The major reason for the success of Mendelian experiments was

1 point

Garden pea was true breeding

Garden pea was cross breeding

Garden pea was heterozygous

Garden pea was easily available

Clear selection

The phenotypic ratio of a monohybrid cross is

1 point

3:1

1:2:1

2:1:1

9:3:3:1

Clear selection

Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be

1 point

All normal

All colour blind

All sons colour blind

Some sons normal and some colour blind

Clear selection

Name of Student *

Mendel’s findings were rediscovered by

1 point

De vries

Correns

tschermak

all of the above

Clear selection

The crossing of F1 to any one of the parents is called

1 point

back cross

test cross

F1 cross

all of these

Clear selection

F3 generation is obtained by

1 point

selfing of F1

selfing of F2

crossing of F1 and F2

none of these

Clear selection

Who discovered restriction enzymes

1 point

Nathan, Arber and Smith

Watson, Crick and Wilkins

Boyer and cohen

Paul berg

Clear selection

Which term represents a pair of contrasting characters?

1 point

Heterozygous

Homozygous

Codominant genes

Allelomorphs

Clear selection

Colour blindness is found more in males than in females because

1 point

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

Clear selection

Mendel emasculated garden pea plant. Emasculation is the

1 point

removal of flower buds

removal of anthers before dehiscence

removal of carpels before dehiscence

removal of mature flowers

Clear selection

If different alleles are present in the same genotype then it is called

1 point

homozygous

hetreozygous

diallelic

polyallelic

Clear selection

Restriction endonucleases have the ability of cutting

1 point

DNA at random sites

DNA at specific sites

Both above

DNA and RNA random sites

Clear selection

Mendel’s hybridization strategy was use of two plants

1 point

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

Clear selection

Who is regarded as the father of genetics?

1 point

Morgan

Mendel

watson

Gregor Mendel

Clear selection

The character of organisms is said to be sex linked when its gene is carried on

1 point

Y chromosomes

X chromosome of male or female

X and Y chromosomes

A particular autosome

Clear selection

Which of the following statements is true regarding the “law of segregation”?

1 point

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

Clear selection

Genotype is the

1 point

genetic constitution

genetic constitution of the phenotype

trait expressed

expressed genes

Clear selection

An exception to Mendel’s law is

1 point

Independent assortmen

Linkage

Dominance

Purity of gametes

Clear selection

X is the chromosome with gene for haemophilia and X is the chromosome with normal gene. Which of the following individuals will act as carrier for haemophilia

1 point

XhY

X Y

XhXh

XhX

Clear selection

The experimental material garden pea used by Mendel is a

1 point

cross fertilized crop

both self and cross fertilized

self fertilized crop

may vary with ecotype

Clear selection

The physical expression or appearance of a character is called as

1 point

morphology

geneoype

phenotype

ecotype

Clear selection

In Co - dominanace, when red cattle (RR) are crossed with white cattle (rr), the F1 hybrids have ---- coloured skin

1 point

Red

White

Roan

Pink

Clear selection

During his experiments, Mendel called genes by the term

1 point

factors

traits

characters

qualities

Clear selection

Two bacteria most useful in genetic engineering are

1 point

Rhizobium and Azotobacter

Nitrosomonas and diplococcus

Escherichia and Agrobacterium

Rhizobium anf Diplococcus

Clear selection

Q The recessive character will express in

1 point

F3 only

All above

Clear selection

Which one is a sex-linked disease

1 point

Tylosis

Beri-beri

Colour blindness

Albinism

Clear selection

Mendel’s experimental material was

1 point

Pisum sativum

Lathyrus odaratus

Oryza sativa

Mirabilis jalappa

Clear selection

The genotypic ratio of a monohybrid cross is

1 point

3:1

1:2:1

2:1:1

9:3:3:1

Clear selection

When alleles of two contrasting characters are present together, one of the character express and the other remains hidden. This is the

1 point

law of purity of gametes

law of segregation

law of dominance

law of independent assortment

Clear selection

The alternate forms of a gene is called

1 point

recessive character

dominant character

alleles

alternative gene

Clear selection

9:7 ratio in the F2 generation represents

1 point

Incomplete dominance

Co-dominance

Epistasis

Complementary interaction

Clear selection

In the case of Birds, Male are ----

1 point

Homogametic

Heterogametic

Both above

All of above

Clear selection

Genic balance theory of sex determination was given by

1 point

Morgan

Mendel

Darwin

Bridges

Clear selection

If a colour blind lady marries a normal man, their children will be

1 point

Normal daughters and normal sons

Normal sons and carrier daughters

Colour blind sons and carrier daughters

Colour blind sons and colour blind daughters

Clear selection

WhatsApp No. *

The innate tendency of offspring to resemble their parents is called

1 point

varaition

heridity

inheritance

resemblance

Clear selection

The tendency of offspring to differ from parents is called

1 point

varaition

heridity

inheritance

resemblance

Clear selection

The tendency of genes to remain together during the process of inheritance is known as

1 point

Sex linkage

Linkage

Differential inheritance

Optional linkage

Clear selection

Mendel was a

1 point

Austrian biology teacher

Austrian monk

Austrian scientist

Austrian mathematician

Clear selection

Which one is a hereditary trait

1 point

Night blindness

Baldness

Colour blindness

Beri-beri

Clear selection

The geometrical device that helps to find out all the possible combinations of male and female gametes is known as

1 point

Bateson Square

Mendel Square

Correns Square

Punnett square

Clear selection

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