Principles of Inheritance and Variation Test

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Principles of Inheritance and Variation Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

The innate tendency of offspring to resemble their parents is called

A
Resemblance

B
Variation

C
Heredity

D
Inheritance

Solution

Explanation:

The innate tendency of offspring to resemble their parents is called heredity. The offspring resembles to parent due to same genetic combination inherited from parents.
Question 2
1 / -0

Monohybrid ratio is

A
3:1

B
9:1

C
9:3:1

D
9:3:3:1

Solution

Explanation:

Monohybrid ratio is the ratio of different phenotypic traits obtained on hybridizing single pair of trait. It is 3:1. When tall pea plant is crossed with dwarf, the offspring obtained are in 3/4 tall and 1/4 dwarf.
Question 3
1 / -0

Genotype is the

A
Trait expressed

B
Genetic combination

C
Genetic constitution of the phenotype

D
Expressed genes

Solution

Explanation:

Genotype is the genetic combination of an individual. TT and Tt are genotypically different but phenotypically appear tall.
Question 4
1 / -0

Who is regarded as the father of genetics?

A
Watson

B
Morgan

C
Bateson

D
Mendel

Solution

Explanation:

Mendel is regarded as the father of genetics due to his initial law of inheritance given by him on the basis of Hybridisation conducted by him on garden pea.
Question 5
1 / -0

Material used for conducting experiments on genetic traits by Mendel was

A
Mirabilis jalappa

B
Oryza sativa

C
Lathyrusodaratus

D
Pisumsativum

Solution

Explanation:

Mendel conduct his hybridization experiment on garden pea (Pisumsativum) using different contrasting pair of traits.
Question 6
1 / -0

The tendency of offspring to differ from parents is called

A
Resemblance

B
Variation

C
Inheritance

D
Heredity

Solution

Explanation:

Variation is the tendency of offspring to differ from its parents. Variation occurs due to change in genetic makeup of offsprings.
Question 7
1 / -0

The physical expression or appearance of a character is called as

A
Ecotype

B
Phenotype

C
Morphology

D
Genotype

Solution

Explanation:

The physical appearance of a character is called as phenotype. The genetic make of individual is called genotype. Tallness, round, wrinkled, yellow etc. are physical appearance.
Question 8
1 / -0

The alternate forms of a gene is called

A
Alleles

B
Dominant character

C
Recessive character

D
Alternate gene

Solution

Explanation:

The alternate forms of a gene are called alleles. Each trait is controlled by a pair of alleles.
Question 9
1 / -0

Each gametes carry

A
Only recessive allele

B
Only one of the alleles

C
Only dominant allele

D
Glucose

Solution

Explanation:

Each gametes carry single set of chromosomes. During gamete formation each pair of alleles separate from each other as reduction division occurs.
Question 10
1 / -0

The best method to determine the homozygous and heterozygous of an individual is

A
Test cross

B
Self-fertilization

C
Inbreeding

D
Back cross

Solution

Explanation:

Homozygous and heterozygous of an individual is determined by test cross method in which homozygous recessive is crossed with F1 hybrid individual.

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Re-Attempt Weekly Quiz Competition

Principles of Inheritance and Variation Test - 1

Result

Principles of Inheritance and Variation Test - 1

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SHARING IS CARING

Question 1

Resemblance

Variation

Heredity

Inheritance

Solution

Question 2

3:1

9:1

9:3:1

9:3:3:1

Solution

Question 3

Trait expressed

Genetic combination

Genetic constitution of the phenotype

Expressed genes

Solution

Question 4

Watson

Morgan

Bateson

Mendel

Solution

Question 5

Mirabilis jalappa

Oryza sativa

Lathyrusodaratus

Pisumsativum

Solution

Question 6

Resemblance

Variation

Inheritance

Heredity

Solution

Question 7

Ecotype

Phenotype

Morphology

Genotype

Solution

Question 8

Alleles

Dominant character

Recessive character

Alternate gene

Solution

Question 9

Only recessive allele

Only one of the alleles

Only dominant allele

Glucose

Solution

Question 10

Test cross

Self-fertilization

Inbreeding

Back cross

Solution

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