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Class 9 | Maharashtra Board | Quiz + Flash Cards

Class 9 | Heredity and Variation

18 February 2024

Class 9 | Heredity and Variation

…........ is a recessive character in human beings.

1/30

What is heredity?

2/30

What is genotype?

3/30

The double helix model of DNA was produced by

4/30

Progenies of normal man and sufferer woman for sickle-cell anaemia will be …..........

5/30

If one parent is normal and one parent is carrier of sickle-cell anaemia, then the progenies will be

6/30

What is phenotype?

7/30

What is DNA?

8/30

The chromosome in which the centromere is near one end of the chromosome is called ….... chromosome.

9/30

What are dominant traits?

10/30

What is sexual reproduction?

11/30

Which of the following is absent in RNA?

12/30

What is a chromosome?

13/30

What is a gene?

14/30

What is variation?

15/30

What is genetic variation?

16/30

….... is a mitochondrial disorder.

17/30

What are recessive traits?

18/30

DNA was discovered by

19/30

…........ is a monogenic disorder

20/30

What is a mutation?

21/30

…........ is a dominant character in human beings

22/30

What is genetic variation?

23/30

The molecule of RNA which is a component of the ribosome organelle is called a

24/30

….. is a recessive character of pea plant

25/30

In a monohybrid cross, the phenotypic ratio of F2 generation is

26/30

….......... arises due to either inheritance of only X chromosome from parents or due to inactivation of the gender-related part of X-chromosomes.

27/30

…........ is a dominant character of pea plant.

28/30

Sex chromosomes are called …..........

29/30

If one parent is carrier and one parent is a sufferer of sickle-cell anaemia, then the progenies will be

30/30
Heredity and variation

Class 9 | Science | Heredity and Variation

1 / 30

What is genetic variation?

2 / 30

What is a mutation?

3 / 30

What is sexual reproduction?

4 / 30

What is genetic variation?

5 / 30

What is phenotype?

6 / 30

What is genotype?

7 / 30

What are recessive traits?

8 / 30

What are dominant traits?

9 / 30

What is a chromosome?

10 / 30

What is DNA?

11 / 30

What is a gene?

12 / 30

What is variation?

13 / 30

What is heredity?

14 / 30

……….. is a monogenic disorder

15 / 30

……. is a mitochondrial disorder.

16 / 30

If one parent is carrier and one parent is a sufferer of sickle-cell anaemia, then the progenies will be

17 / 30

If one parent is normal and one parent is carrier of sickle-cell anaemia, then the progenies will be

18 / 30

Progenies of normal man and sufferer woman for sickle-cell anaemia will be ………….

19 / 30

…………. arises due to either inheritance of only X chromosome from parents or due to inactivation of the gender-related part of X-chromosomes.

20 / 30

In a monohybrid cross, the phenotypic ratio of F2 generation is

21 / 30

……….. is a recessive character in human beings.

22 / 30

……….. is a dominant character in human beings

23 / 30

……….. is a dominant character of pea plant.

24 / 30

….. is a recessive character of pea plant

25 / 30

The molecule of RNA which is a component of the ribosome organelle is called a

26 / 30

The double helix model of DNA was produced by

27 / 30

DNA was discovered by

28 / 30

Which of the following is absent in RNA?

29 / 30

Sex chromosomes are called ………….

30 / 30

The chromosome in which the centromere is near one end of the chromosome is called ……. chromosome.

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