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Subject: Science, asked on 10/2/18

Q.15. Give reasons for the following :
(a) Traits acquired during lifetime of an individual are not inherited.
(b) All the human beings belong to a single species.
(c) Variations keep on accumulating during reproduction, and do not disappear in next generation.

Subject: Science, asked on 9/2/18

Why were humans moving through different planets 200,000 years ago? ( heredity and evolution)

Subject: Science, asked on 6/2/18

Which of the 2 is a faster process: genetic drift or natural selection?

Subject: Science, asked on 6/2/18

Can environmental factors lead to speciation ?

Subject: Science, asked on 6/2/18

Plzz fast i have exams 2moro. Explain how eyes have been a popular adaptation in different organisms. With example of octopus

Subject: Science, asked on 4/2/18

Plzz fast i have exams 2moro. Explain how eyes have been a popular adaptation in different organisms. With example.

Subject: Science, asked on 4/2/18

why do variations occur even amongst real brothers?

Subject: Science, asked on 2/2/18

Question : Why it is more prominent to compare the process of evolution with branch of a tree rather than with a ladder .

Subject: Science, asked on 2/2/18

See the pics and tell
Is my answer wrong to the question? Please only experts provide your answer.

Subject: Science, asked on 1/2/18

Please answer the 14th question
Came in pre-boards.
Q.14. How will new species arise in case:
a) two sub-populations are separated due to a huge mountain in between them?
b) A small population of individuals gets drifted away from the main land due to sea?

 

Subject: Science, asked on 30/1/18

Describe the structure of the DNA in thallophyta?

Subject: Science, asked on 26/1/18

What is the difference between geographic and reproductive isolation. Please explain (no links would do better)
Thank you!

Subject: Science, asked on 26/1/18

A normal pea plant suddenly producing coloured flowers suddenly starts producing white flowers. What could be the cause?

Subject: Science, asked on 26/1/18

Dead remains of two organisms A and B were buried. Later only B's fossil were found out, not A's. Give reasons.

Subject: Science, asked on 26/1/18

Question in pic

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