P-2 Heredity and Evolution - Maharashtra Board STD 10 Science Questions

complete the statements by choosing correct options from bracket.
(Genes, Mutation, Translocation, Transcription, Gradual development, Appendix)
Vestigial organ ……….. present in human body is proof of evolution.

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Q 7Answer the following questions:[1 M]1 Mark

complete the statements by choosing correct options from bracket.
(Genes, Mutation, Translocation, Transcription, Gradual development, Appendix)
Evolution means ………….

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Q 8Answer the following questions:[1 M]1 Mark

complete the statements by choosing correct options from bracket.
(Genes, Mutation, Translocation, Transcription, Gradual development, Appendix)
Transfer of information from molecule of DNA to mRNA is called as …………… process.

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Q 9Answer the following questions:[1 M]1 Mark

complete the statements by choosing correct options from bracket.
(Genes, Mutation, Translocation, Transcription, Gradual development, Appendix)
The proof for the fact that protein synthesis occurs through ……….. was given by George Beadle and Edward Tatum.

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Q 10Answer the following questions:[1 M]1 Mark

complete the statements by choosing correct options from bracket.
(Genes, Mutation, Translocation, Transcription, Gradual development, Appendix)
The causality behind the sudden changes was understood due to ………… principle of Hugo de Vries.

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Q 11Give scientific reasons: [2 M]2 Marks

During human evolution the hands became available for use.

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Q 12Give scientific reasons: [2 M]2 Marks

Vertebrates have been slowly originated from invertebrates.

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Q 13Give scientific reasons: [2 M]2 Marks

Peripatus is said to be a connecting link between Annelida and Arthropoda.

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Q 14Give scientific reasons: [2 M]2 Marks

Darwin’s work on evolution has been a milestone.

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Q 15Give scientific reasons: [2 M]2 Marks

Some of the characters of parents are seen in their offspring.

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Q 16Answer the following questions: [2 M]2 Marks

There is evidences of fatal Science among chordates.
[Please read the above question as: Among different chordates there are embryological evidences.]

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Q 17Answer the following questions: [2 M]2 Marks

What were the objections raised against Darwinism?

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Q 18Answer the following questions: [2 M]2 Marks

What is meant by carbon dating method?

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Q 19Answer the following questions: [2 M]2 Marks

Evidences of evolution	Examples
(1) Palaeontological evidences	(a) Duck billed Platypus and Peripatus
(2) Connecting links	(b) Remnants and impressions
	(c) Coccyx and wisdom tooth
	(d) Human hand and fore limb of cat

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Q 20Answer the following questions: [2 M]2 Marks

Evidences of evolution	Examples
(1) Morphological evidences	(a) Duck billed Platypus and Peripatus
(2) Anatomical evidences	(b) Remnants and impressions
	(c) Human hand and fore limb of bull
	(d) Shape and venation of leaf

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Q 21Answer the following questions: [3 M]3 Marks

Geographical and reproductive isolation of organisms gradually leads to speciation.

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Q 22Answer the following questions: [3 M]3 Marks

How are the hereditary changes responsible for evolution?

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Q 23Answer the following questions: [3 M]3 Marks

Define vestigial organs. Write names of some vestigial organs in human body and write the names of those animals in whom same organs are functional.

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Q 24Answer the following questions: [3 M]3 Marks

distinguish between: Ape and Human.

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Q 25Answer the following questions: [3 M]3 Marks

distinguish between: Transcription and Translation.

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Q 26Answer the following questions: [5 M]5 Marks

Write short notes: Embryology.

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Q 27Answer the following questions: [5 M]5 Marks

Write short notes: Darwin’s theory of natural selection.

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Q 28Answer the following questions: [5 M]5 Marks

Write short notes: Connecting link.

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Q 29Answer the following questions: [5 M]5 Marks

Write short notes: Evolution.

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Q 30Answer the following questions: [5 M]5 Marks

Write short notes: Theory of evolution.

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Q 31Write True or False1 Mark

Industrial society was established about 200 years ago.

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Q 32Write True or False1 Mark

Humans walking with upright posture were confined to Africa only during prehistoric period.

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Q 33Write True or False1 Mark

Each species grows in specific geographical conditions and has specific food, habitat, reproductive ability and period.

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Q 34Write True or False1 Mark

Changes acquired during life time are transferred to next generation.

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Q 35Write True or False1 Mark

The theory of natural selection which mentions ‘Survival of fittest’ is given by Lamarck.

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Q 36Name the Following1 Mark

Important stages in the journey of human evolution:

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Q 37Name the Following1 Mark

Vestigial organs in human beings:

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Q 38Name the Following1 Mark

Fish that can breathe with help of lungs:

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Q 39Name the Following1 Mark

Genetic disorder caused due to mutation:

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Q 40Name the Following1 Mark

Three Scientists who proved that except viruses, all living organisms have DNA as genetic material.

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Q 41Do As Directed.1 Mark

True or False : Waltor Sutton is the pioneer of modern genetics.

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Q 42Do As Directed.1 Mark

True or False : The theory of natural selection which mentions ‘Survival of fittest’ is given by Lamarck.

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Q 43Do As Directed.1 Mark

True or False : The process of RNA synthesis is called translation.

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Q 44Do As Directed.1 Mark

True or False : The decaying process of C-12 occurs continuously from the dead remains of living organisms.

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Q 45Do As Directed.1 Mark

True or False : Ostwald Avery, Mclyn McCarthy and Colin Macleod proposed a model for process of protein synthesis with the help of DNA in bacterial cells

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Q 46Fill in the blanks.1 Mark

Vestigial organ……………..present in human body is the proof of evolution.

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Q 47Fill in the blanks.1 Mark

Evolution means…………… (Gradual development, gene)

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Q 48Fill in the blanks.1 Mark

Transfer of information from molecule of DNA to mRNA is called as………….process.(Transcription, Appendix)

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Q 49Fill in the blanks.1 Mark

The proof for the fact that protein synthesis occurs through……...was given by George Beadle and Edward Tatum.(Transcription, gene)

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Q 50Fill in the blanks.1 Mark

The causality behind the sudden changes was un- derstood due to……………..principle of Hugo de Vries.(Mutation, Transcription,)

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Q 51Define :2 Marks

Translocation

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Q 52Define :2 Marks

Translation:

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Q 53Define :2 Marks

Triplet codon:

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Q 54Define :2 Marks

Transcription:

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Q 55Define :2 Marks

Central Dogma:

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Q 56Find An Odd One Out1 Mark

Long neck of Giraffe - Others are vestigial organs

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Q 57Find An Odd One Out1 Mark

Transcription,translation,translocation,transpiration.

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Q 58Match the following.4 Marks

Column 'A'		Column 'B'
(1)	Aves and Mammals	(a)	Mesozoic era
(2)	Reptiles	(b)	Cenozoic era
(3)	Reptiles, amphibia, pisces	(c)	Paleozoic era

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Q 59Match the following.4 Marks

Column 'A'		Column 'B'
(1)	Walter Sutton	(a)	All living organisms have DNA (1944)
(2)	Ostwald Avery, Mclyn Mccarthy and Colin MacLeod	(b)	Process of protein synthesis (1961)
(3)	Francois Jacob and Jack Monad	(c)	Triplet codons for 20 amino acids
(4)	Dr. Har Govind Khorana	(d)	Mutation
		(e)	Paired chromosomes in the cells (1902)