Principles of Inheritance and Variation Test

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Principles of Inheritance and Variation Test - 68

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Weekly Quiz Competition

Question 1
1 / -0

A man can inherit his X-chromosome from his ____________.

A
maternal grandmother or maternal rgrandfather

B
father

C
maternal grandfather

D
paternal grandfather

E
paternal grandmother
Question 2
1 / -0

The absence of Y chromosome in human beings causes _____________.

A
Turner's syndrome

B
Klinefelter's sydrome

C
Down's syndrome

D
No abnormality
Question 3
1 / -0

In human beings, sex determination has recently been studied in great details using technique of molecular biology. The most important gene located on Y chromosome and involved in sex determinations is?

A
SRY gene

B
Sx $$1$$ gene

C
ZFY gene

D
tra gene
Question 4
1 / -0

Two good examples of obligate plantanimal Mutualism would include ___________________.

A
Mycorrhiza and fairy rings

B
Lichens and corraloid roots of Cycas

C
Azolla-anabaena symbiosis and sunflower-butterflies

D
Acacia-ants and Yucca-yucca moth
Question 5
1 / -0

The simplest way to determine the genotypes of the offspring of a cross is to use.

A
Pedigree chart

B
Punnett square

C
Generation chart

D
Gene linkage
Question 6
1 / -0

When the dominant alleles(or wild type) say AB are present on one chromosome and its alternative recessive allele(ab) are located on the other homologous chromosome AB/ab, then the linkage is said to be in.

A
Repulsion phase

B
Coupling phase

C
Neutral phase

D
Dominant phase

Question 7

1 / -0

Match List I(Postulates) with List II(scientists) and select the correct answer using the codes given.

List-I	List-II
a. Inheritance of the acquired characters	$$1$$. Hugo de Vries
b. Multiplication of individual species in geometrical proportion	$$2$$. Julian Huxley
c. Mutation theory of evolution	$$3$$. Jean Baptiste Lamarck

A-$$1$$, B-$$2$$, C-$$3$$

A-$$2$$, B-$$3$$, C-$$1$$

A-$$3$$, B-$$1$$, C-$$2$$

A-$$3$$, B-$$2$$, C-$$1$$

Question 8
1 / -0

In specific population of a species, individuals showing $$2n+1$$ or $$2n-1$$ set of chromosomes are called respectively.

A
Nullisomics and monosomics

B
Monosomics and trisomics

C
Trisomics and monosomics

D
Nullisomics and trisomics

Question 9

1 / -0

Match List-I(Type of chromosomal aberration) with List-II(Designation) and select the correct answer using the codes given the lists.

List-I	List-II
a. One chromosome pair extra to the normal complement $$(2n+2)$$	$$1$$. Trisomic
b. One chromosome extra to the normal complement $$(2n+1)$$	$$2$$. Monosomic
c. One chromosome less than the normal complement $$(2n-1)$$	$$3$$. Terasomic
d. One chromosome pair less than the normal complement $$(2n-2)$$	$$4$$. Nullisomic

A-$$2$$, B-$$4$$, C-$$3$$, D-$$1$$

A-$$1$$, B-$$3$$, C-$$2$$, D-$$4$$

A-$$3$$, B-$$1$$, C-$$4$$, D-$$2$$

A-$$3$$, B-$$1$$, C-$$2$$, D-$$4$$

Question 10
1 / -0

Tick out the odd one with respect to the contrasting forms of characters in pea plant.

A
Axillary flowers

B
Inflated fruit

C
Green fruit

D
Green seed

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Re-Attempt Weekly Quiz Competition

Principles of Inheritance and Variation Test - 68

Result

Principles of Inheritance and Variation Test - 68

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Rank

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SHARING IS CARING

Question 1

maternal grandmother or maternal rgrandfather

father

maternal grandfather

paternal grandfather

paternal grandmother

Question 2

Turner's syndrome

Klinefelter's sydrome

Down's syndrome

No abnormality

Question 3

SRY gene

Sx $$1$$ gene

ZFY gene

tra gene

Question 4

Mycorrhiza and fairy rings

Lichens and corraloid roots of Cycas

Azolla-anabaena symbiosis and sunflower-butterflies

Acacia-ants and Yucca-yucca moth

Question 5

Pedigree chart

Punnett square

Generation chart

Gene linkage

Question 6

Repulsion phase

Coupling phase

Neutral phase

Dominant phase

Question 7

A-$$1$$, B-$$2$$, C-$$3$$

A-$$2$$, B-$$3$$, C-$$1$$

A-$$3$$, B-$$1$$, C-$$2$$

A-$$3$$, B-$$2$$, C-$$1$$

Question 8

Nullisomics and monosomics

Monosomics and trisomics

Trisomics and monosomics

Nullisomics and trisomics

Question 9

A-$$2$$, B-$$4$$, C-$$3$$, D-$$1$$

A-$$1$$, B-$$3$$, C-$$2$$, D-$$4$$

A-$$3$$, B-$$1$$, C-$$4$$, D-$$2$$

A-$$3$$, B-$$1$$, C-$$2$$, D-$$4$$

Question 10

Axillary flowers

Inflated fruit

Green fruit

Green seed

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