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  • 1 answers

Lokender Tuli 7 years, 3 months ago

Nothing will haooen as female ova cannot identify the sperm of other species are human ovary releases fertilizins which firstly identifies sperm of same species and then sperms are allowed to fertilize ova
  • 2 answers

Aniket Upadhyay 7 years, 3 months ago

The peak level of LH which leads to ovulation by rapture of graffian follicle and which is followed by the the formation of corpus lutenum which secretes andtogen which is necessary for the maintainance of the endometrium layer

Ranju Shah 7 years, 3 months ago

Rapid secretion of LH leading to its max. Level during the mid cycle called LH surge.
  • 5 answers

Lokender Tuli 7 years, 3 months ago

Learn and understand the concepts and you will be able to do questions

Pallavi Yadav 7 years, 3 months ago

Revise the chapter twice in a week u will definitely learned it

Ranju Shah 7 years, 3 months ago

But I don't have lots of time

Prashant Bhardwaj 7 years, 3 months ago

And don't forget to keep it in the mind

Prashant Bhardwaj 7 years, 3 months ago

Go through the ch deeply again and again revising it will help you to learn☺️☺️☺️
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Pallavi Yadav 7 years, 3 months ago

Genetics and evolution

Mohit Sepat 7 years, 3 months ago

Because there should be no question left

Mohit Sepat 7 years, 3 months ago

Reproduction,genetics , Biotechnology are important but for Cbse all are important acc to me

Tulsi Goswami 7 years, 3 months ago

Could be from genetics unit

Sahil Singh 7 years, 3 months ago

Reproduvtive health because in my last half yearly exam most of the question are from this chapter..
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Diwakar Patel 7 years, 3 months ago

He want to explain chemical evolution of gases in a small container to mix methane , hydrogen, carbon dioxide and ammonia and bombardment all gases and found that primitive atmosphere made from bombardment..
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Mohit Sepat 7 years, 3 months ago

Geneticaly modified organism
  • 4 answers

Diwakar Patel 7 years, 3 months ago

Deoxyribonucleic acid

Lakshita Garg 7 years, 3 months ago

Deoxyribo nucleic acid

Aastha Sharma 7 years, 3 months ago

Deoxyribonucleic acid

Tulsi Goswami 7 years, 3 months ago

Deoxyribo nucleus
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Aashi Agarwal 7 years, 3 months ago

Elisa is a test for checking hiv

Sanjana Sabat 7 years, 3 months ago

Enzyme linked immuno sorbent assay
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General Crash 7 years, 3 months ago

Well truthfully , different schools have different mark distribution schematics. In the board it remains same everywhere but there is no promising that your school may follow the scheme or not. Hope this helped?
  • 1 answers

Hy Shona 7 years, 3 months ago

Answer is estrogen hormone
  • 1 answers

Brahmjot Kaur 7 years, 3 months ago

Insertions and deletions of a base pair or base pairs in DNA are referred as frameshift mutations.
  • 1 answers

Wini Choudhary 7 years, 3 months ago

Anther is bilobed with each lobe having two theca, so angiosperm anther is called dithecous.
  • 1 answers

Mohit Sepat 7 years, 3 months ago

Filamentous cyanobacteria which form tangled masses in warm alkaline lakes in africa and central and south America. They are dried and prepared as a food ,,being a rich source of vitamin and mineral
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Toushik Biswas 7 years, 3 months ago

Genotype is the set of alleles that decides that genetic makeup of an individual . Phenotype is the expression of the set of alleles. For example:- TT - Here TT is genotype which is representing tall character. Tall is its phenotype ie. Tall

Divy Dutt Kaushik 7 years, 3 months ago

It is important yerms
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Mohit Sepat 7 years, 3 months ago

Yes . 1.occur in uniparental . 2.no variation introduce. 3.form sumilar species to that of parents .
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Mohit Sepat 7 years, 3 months ago

Chapter 3rd also

Aastha Sharma 7 years, 3 months ago

Chapter 5 or 6

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