PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoUnderstand the statement and analyse them:
1.
| Statement 1: | According to theory of biogenesis life came from outer space in the form of spores which grew and evolved into different organisms. |
| Statement 2: | According to theory of panspermia life came from outer space in the form of spores which grew and evolved into different organisms. |
2.
| Statement 1: | The ancestral organs which had either disappeared or reduced and again reappear in the later generations are known as vestigial organs. |
| Statement 2: | The presence of organs in rudimentary form without any significant functions is known as atavism. |
3.
| Statement 1: | The variations that affect the somatic cells of the organisms are known as somatic variations. |
| Statement 2: | The somatic variations are heritable. |
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