Variations
Variations
Variations are the differences in the characters (traits) among the individuals of a species are called variations. Variations may also be produced during asexual mode of reproduction (due to small inaccuracies in copying of DNA), but sexual reproduction produces a large number of variations, e.g. in plants, less variations are seen in comparison to animals which reproduce mainly by sexual reproduction.
Variations in human beings which involves our ears are ____________________ earlobes. | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following are correct ? (a) Variations are beneficial and necessary for organic evolution. (b) The variations may environmental or genetic. (c) In some people the earlobe is closely attached to the side of the head is the example of variation. | |||
| Right Option : D | |||
| View Explanation | |||
The differences in the traits among the individuals of a species are called __________________ . | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
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8thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
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Prisha Gupta
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Om Umang
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Aman Kumar Shrivastava
10thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
