The term 'Genetics' was introduced by__________

(a)

Gregor Mendel

(b)

W. Bateson

(c)

Hugo de Vries

(d)

Carl Correns

Which is not a correct statement?
(A) Variations are the raw materials for evolution
(B) Variations provide genetic material for natural selection
(C) It helps the individual to adapt to the changing environment
(D) Variations allow breeders to improve the crop field

(a)

A and D

(b)

B only

(c)

C and D

(d)

none of he above

An allede is__________

(a)

another word for a gene

(b)

Alternate forms of a gene

(c)

morphological expression of a gene

(d)

genetic make up of an organism

Gregor Mendel ___________
(i) was born in Czechoslovakia
(ii) did his experiments in Pisum fulvum
(iii) was the first systemic researcher in genetics
(iv) Published his results in the paper "Experiments on Plant Hybrids"

(a)

All are correct

(b)

(ii), (iii), (iv) are correct

(c)

(i), (iii),(iv) are correct

(d)

(i), (iii), (iv) are correct

How many characters studied by Mendel in pisum sativum

(a)

Three

(b)

Five

(c)

Seven

(d)

Nine

Mendel's work were rediscovered by__________

(a)

Hugo de Vries

(b)

Tschermak

(c)

Carl Correns

(d)

all the above

Crossing of F₁ to anyone of the parent refers to _____________

(a)

selfing

(b)

back cross

(c)

test cross

(d)

all of the above

In an intergenic interaction, the gene that suppresses the pherotype of a gene is said to be ___________

(a)

Dominant

(b)

Inhibitory

(c)

Epistatic

(d)

Hypostatic

Assertion (A): Test cross is done between F₂ hybrid with F₁ recessive
Reason (R): It helps to identify the homozygosity of hybrids

(a)

A and R are correct R explains A

(b)

A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

Assertion (A): Codominance is an example of intragenic interaction
Reason (R): Interaction takes place between the alleles of the same gene

(a)

A and R are correct R explains A

(b)

A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

Assertion (A): Pleiotropic gene affects multiIple traits
Reason (R): ABO blood group is an example for Pleiotropism

(a)

A and R are correct R explains A

(b)

A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

Assertion (A): Cytoplasmic male sterility is a Mendelian inheritance
Reason (R): The genes for cytoplasmic male sterility in peal maize is located at mitochondrial DNA

(a)

A and R are correct R explains A

(b)

A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

What is the phenotypic ratio in case of incomplete dominance?

(a)

9: 7

(b)

3: 1

(c)

1: 2 : 1

(d)

1: 1 : 1 : 1

Identify the mismatched pair

(a)

Chloroplast inheritance - Gregor Mendel

(b)

Polygenic inheritance - H. Nilsson

(c)

Lethal genes - E. Baur

(d)

Incomplete dominance - Carl Correns

Statement 1: Intergenic gene interaction occurs between alleles at the same locus
Statement 2: Co-dominance is an example of intergenic gene interaction

(a)

Statement 1 is correct & Statement 2 is incorrect

(b)

Statement 1 is incorrect & Statement 2 is correct

(c)

Both Statements 1 & 2 are correct

(d)

Both Statements 1 & 2 are incorrect