Biology. NCERT/CBSE class 12 Biology book Biology. content. NCERT/CBSE class 12 Biology book Biology. 01REPRODUCTION IN ORGANISMS. Get the NCERT Book For Biology Class 12 according to the latest syllabus of CBSE and prepare effectively for Board Exams. Click here to know more. National Council of Educational Research and Training (NCERT) Book for Class XII Subject: Biology. NCERT Class XII Biology Book is given below. Chapter 1.

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Rafirasith December 17, at 9: Unknown March 22, at 6: Unknown March 4, at 5: Unknown March 25, at 3: Satya Veera March 13, at 1: Unknown March 21, at 1: Unknown March 24, at 7: Unknown March 26, at 4: Bharanitharan Janarthanan March 26, at Manikandan R March 26, at Unknown March 27, at 7: Unknown March 27, at 9: Chapter 2 โ€” Gene: its nature, expression and regulation: Modern concept of gene in brief-cistron, muton and recon.

Microbes in Industrial Production. Microbes in Biogas energy Production.

Microbes as Biocontrol Agents Microbes as Biofertilizers. Law of limiting factors. Fermentation Exchange of gases. Amphibolic pathway.

Respiratory quotient of Nutrients. Significance of Respiration.

Asexual reproduction; uniparental modes vegetative propagation, micro propagation Sexual Reproduction: structure of flower Development of male gametophyte, Structure of anatropous ovule.

Development of female Gametophyte. Pollination: Types and Agencies.

Outbreeding devices; pollen-pistil interaction. Double Fertilization: Process and Significance.

Post-fertilization changes development of endosperm and embryo, development of seed and formation of fruit Special modes-apomixis, parthenocarpy, polyembryony. Significance of seed and fruit formation.

Ecological succession, Ecological services carbon fixation, pollination, oxygen release. Environmental issues: agrochemicals and their effects, solid waste management, Green house effect and global warming, ozone depletion, deforestation, case studies any two.

Origin and Evolution of Human being.

Linkage and Crossing Over.Bharanitharan Janarthanan March 26, at Certified downloader , Burdwan. This is the time for you.

It is a state of an active and energetic condition including physical, mental, and social well-being. They are tiny living creatures, invisible to the naked eye and are present all around us, in air, water, soil and so on. Also, the duration and steps of the print are covered in this chapter.