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Class 10

Explore popular questions from Heredity and Evolution for Class 10. This collection covers Heredity and Evolution previous year Class 10 questions hand picked by experienced teachers.

Heredity and Evolution

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Q 1. The transmission of characters from parents to offspring is called

Heredity

B

Variation

C

Evolution

D

None of these

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Q 2. The physical basis of heredity is -

Gene

B

RNA

C

DNA

D

Protein

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Q 3. The branch of biology that deals with heredity and variation is called-

Genetics

B

Molecular biology

C

Biology

D

Chemistry

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Q 4. Father of Genetics is -

A

Darwin

B

Hugo de veries

C

Von Tschemark

None of the above

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Q 5. Oval, rod or thread like DNA complexes that are vehicles of heredity, Posses Genes are -

chromosome

B

DNA

C

Protein

D

RNA

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Q 6. The chromosome which are responsible for sex-determination in an individual are

A

Autosomes

Sex chromosome

C

RNA

D

Protein

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Q 7. Chemical that perform all the reactions in an organism & gives a particular phenotypes are -

A

DNA

B

RNA

Enzyme

D

Gene

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Q 8. The study of fossils is called -

A

Geography

B

Chemistry

Palaeontology

D

Histology

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Q 9. Human evolution can be studied by -

A

excavating

B

time dating

C

determining DNA sequences

All the above

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Q 10. All humans are originated in -

A

America

B

India

C

Australia

Africa

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Q 11. When first generation with inherited traits from previous generation reproduces, the second generation will have -

A

Traits Inherited from the first generation only

B

Newly created differences only

Both (A) & (B)

D

None of the above

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Q 12. If one bacterium divides and the resultant two bacterium divides again, then the four individual bacteria generated -

A

would be identical

B

would be quite different

similar but may have minor differences

D

none of the above

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Q 13. Bacteria that can withstand heat will survive better in -

A

cold only

heat only

C

In any condition

D

none of these

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Q 14. The inherited traits are influenced by -

A

Maternal DNA only

B

Paternal DNA only

Both (A) and (B)

D

No influence will be seen

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Q 15. When we cross a tall plant (TT) with a short plant (tt), all plants of {tex}\mathrm{f_1}{/tex} generation are tall. Is all the tall plants in {tex}\mathrm{f_1}{/tex} generation exactly same as the tall plants in parent generation?

A

yes, the plant of {tex}\mathrm{f_1}{/tex} generation are same as the tall plants in parent generation

No, the plant of {tex}\mathrm{F_1}{/tex} generation are not same as parents. They may be heterozygous tall also

C

No, the plants of {tex}\mathrm{F_1}{/tex} generation are not same. They are heterozygous dwarf

D

none of the above

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Q 16. We cross a pea plant, one plant with round and green seed (RRYY) and other with wrinkled and yellow seed (rryy) characters. The {tex}\mathrm{F_1}{/tex} generation will be round and yellow seed (RrYy). When the {tex}\mathrm{F_1}{/tex} generation cross-pollinated, the ratio for {tex}\mathrm{F_2}{/tex} generation will be

9 : 3 : 3 : 1

B

3 : 9 : 3 : 1

C

3:1

D

none of the above

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Q 17. Do genes control the characteristics or traits

yes, as they are responsible for expression of character or trait

B

no, they do not control the characters

C

Genes are required only where the exepression of enzyme is required

D

none of the above

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Q 18. Chemical basis of heridity is -

A

Gene

DNA

C

RNA

D

None of the above

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Q 19. Product of asexual reproduction is -

clone

B

offspring

C

Both (A) & (B)

D

None of the above

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Q 20. A monohybrid cross have a phenotypic ratio of -

A

9 : 3 : 3 : 1

3:1

C

1 : 2 : 2 : 4

D

None of the above

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Q 21. Individual can be a male when the sex-chromosome are -

A

XX

B

XXY

C

YY

XY

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Q 22. If some species of one generation has less weight due to starvation and has not cause change in DNA and again it continues in next generation. Is it this an example of evolution?

A

yes, it is an example of evolution

no, because change in non-reproductive tissue cannot be passed on to the DNA of the germs cell.

C

Yes, it in an example of evolution because less weight continues in next generation.

D

none of the above

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Q 23. Who gave the idea of evolution of species by natural selection -

A

Gregore Johannan Mendel

Charles Robert Darwin

C

Both (A) & (B)

D

none of the above

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Q 24. Factors that lead to rise of new species -

A

Geographical isolation

B

Genetic drift

C

Change in DNA and no. of chromosome

All the above

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Q 25. The phenomenon by which new species comes into existence.

speciation

B

evolution

C

variation

D

None of the above