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NCERT Class 12 Biology Solutions: Chapter 4 – Reproductive Health

What do you think is the significance of reproductive health in a society?

Solution: Reproductive health is the total well-being in all aspects of reproduction. It includes physical, emotional, behavioral, and social well-being. AIDS, gonorrhea, etc. are sexually transmitted diseases transferred from one individual to another through sexual contact.

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NCERT Class 12 Biology Solutions: Chapter 2 – Sexual Reproduction in Flowering Plants

Name the parts of an angiosperm flower in which development of male and female gametophyte take place.

Solution: The male gametophyte or the pollen grain develops inside the pollen chamber of the anther, whereas the female gametophyte develops inside the nucellus of the ovule from the functional megaspore.

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NCERT Class 12 Biology Solutions: Chapter 3 – Human Reproduction

Fill in the blanks:

(a) Humans reproduce __________. (asexually/sexually) 

(b) Humans are__________. (oviparous/viviparous/ovoviviparous) 

(c) Fertilization is __________ in humans. (external/internal) 

(d) Male and female gametes are __________. (diploid/haploid) 

(e) Zygote is __________. (diploid/haploid) 

(f) The process of release of the ovum from a mature follicle is called__________. 

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NCERT Class 12 Biology Solutions: Chapter 1- Reproduction in Organisms

NCERT is the first source from where all your preparation should start. We are always ready to help you out at every step of your preparation and to provide a complete solution. As part of our continuing endeavor, we are providing to you the complete solution to NCERT books in an easy to read and search format.

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How To Prepare For SBI PO 2019

Every year the State Bank of India (SBI) conducts the SBI PO exam for the post of Probationary officer across all its branches in India. This year SBI has notified around 2000 vacancies for Probationary officer. Candidates who are keen to make a career in the banking sector can apply for the SBI PO recruitment starting from 1st April 2019 – 22nd April 2019.

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