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Q 1.
Which selection is directing evolution in the beetle population?
Ans.
Natural selection.
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Q 2.
Name the scientist who gave the theory of evolution?
Ans.
Charles Robert Dawin.
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Q 3.
Greater diversity will be generated in which type of reproduction?
Ans.
Sexual reproduction.
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Q 4.
Women have a perfect pair of sex chromosome called?
Ans.
X.
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Q 5.
Name the section of DNA which provides information for one protein?
Ans.
Gene.
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Q 6.
What will be the sex of child who inherent X chromosome from father and X chromosome from mother?
Ans.
Girl.
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Q 7.
What will be the sex of a child who inherits Y chromosome from father and X chromosome from mother?
Ans.
Boy.
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Q 8.
All human came from?
Ans.
Africa.
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Q 9.
Exchange of genetic material take place?
Ans.
Sexual reproduction.
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Q 10.
Name the feature that are inherent in a child?
Ans.
1Colour of skin
2.Hair 3.Colour of eyes. |
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Q 11.
What is the probability that the female progeny will be a girl?
Ans.
50%.
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Q 12.
Gregor Mendel conducted his famous breeding experiment by working on?
Ans.
Pisum Sativum.
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Q 13.
How many pairs of sex chromosome do human have?
Ans.
1 pair.
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Q 14.
Name the animal which individually change its sex.
Ans.
Snails.
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Q 15.
In which plant Gregor Johann Mendel, do his progeny by crossing them?
Ans.
Garden pea.
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Q 16.
What is Dinosaur were?
Ans.
Reptiles with feathers.
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Q 17.
Sex of the child will be determined by what they inherent from?
Ans.
Father.
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Q 18.
Bat wings and butterfly wings both are?
Ans.
Analogous organs.
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Q 19.
Name the basic unit of life in organisms?
Ans.
Cell.
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Q 20.
Name the scientist who gave laws of inheritance?
Ans.
Gregor Johann Mendel.
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