CBSE biology

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Question
CBSEENBI12002004

Our government has intentionally imposed strict conditions for M.T.P. in our country. Justify giving a reason.

Solution

MTP or induced abortion is termination of pregnancy due to certain medical reasons. Government of India legalised MTP in 1971 with strict conditions to avoid its misuse. 

Sponsor Area

Question
CBSEENBI12002005

State the fate of a pair of autosomes during gamete formation.

Solution

During gamete formation, the homologous pair of autosomes gets separated from each other and moves to different gametes, so that each gamete receives haploid set of chromosomes.

Question
CBSEENBI12002006

What role does an individual organism play as per Darwin’s theory of natural selection?

Solution

According to the Darwin’s theory of natural selection, the role of an individual organism is to pass on the necessary variations, changes or mutations that has been selected by the native, from present generation to the next.

Question
CBSEENBI12002007

Suggest a method to ensure an anamnestic response in humans.

Solution

Anamnestic response is the quick and intense response which occurs when an individual encounters a particular antigen for the second time. It is aided by the memory of primary response stored by B-cells. By the administration of a dead or attenuated pathogen in the body of person, a secondary immune response can be ensured due to the presence of memory cells in the body.

Question
CBSEENBI12002008

What is biopiracy?

Solution

Biopiracy refers to the use of bioresources by multinational companies and other organisations without proper authorisation from people and countries concerned.