Class 12 Biology

Somvati

Asked: October 15, 2021In: Class 12 Biology

How do scientists extrapolate the total number of species on Earth?

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Shilpi

Asked: October 15, 2021In: Class 12 Biology

What role does pituitary gonadotrophins play during follicular and ovulatory phases of menstrual cycle and also explain the shift in steroidal secretions.

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Divya datt

Asked: October 15, 2021In: Class 12 Biology

Rose plants produce large, attractive bisexual flowers but they seldom produce fruits. On the other hand Lady’s finger produces plenty of fruits. Analyse the reasons for failure of fruit formation in rose.

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Vijay Raj

Asked: October 15, 2021In: Class 12 Biology

Do all the gametes formed from a parent organism have the same genetic composition? Are the DNA in identical copies of the parental genome? Analyse the situation with the background of gametogenesis and provide suitable explanation.

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Rahul Goyal

Asked: October 15, 2021In: Class 12 Biology

Is it true that if the dissolved oxygen level drops to zero the water will become septic. Give an example which could lower the dissolved oxygen content of an aquatic body.

Class 12th Biology NCERT Based Questions Answers 12th Biology Terminal Exam Based Extra Questions Class 12 Science Important Syllabus Questions Answers

Category: Class 12 Biology

How do scientists extrapolate the total number of species on Earth?

What role does pituitary gonadotrophins play during follicular and ovulatory phases of menstrual cycle and also explain the shift in steroidal secretions.

Rose plants produce large, attractive bisexual flowers but they seldom produce fruits. On the other hand Lady’s finger produces plenty of fruits. Analyse the reasons for failure of fruit formation in rose.

Do all the gametes formed from a parent organism have the same genetic composition? Are the DNA in identical copies of the parental genome? Analyse the situation with the background of gametogenesis and provide suitable explanation.

Is it true that if the dissolved oxygen level drops to zero the water will become septic. Give an example which could lower the dissolved oxygen content of an aquatic body.

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