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Asked: October 20, 2021In: Class 12 Biology

In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be:

12th Biology Chapter-2 Sexual Reproduction in Flowering Plants MCQ Solutions Class 12 Science Biology Terminal Exams MCQ Solutions Class 12th Biology NCERT Based MCQ Questions Answers 12th Biology Science Session 2022-23

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Arusi

Asked: October 19, 2021In: Class 12 Biology

The phenomenon observed in some plants wherein parts of the sexual apparatus is used for forming embryos without fertilisation is called:

12th Biology Chapter-2 Sexual Reproduction in Flowering Plants MCQ Solutions 12th Biology Terminal Exam Based MCQ Extra Questions Class XII Science Biology MCQ Solutions 12th Biology NCERT Syllabus MCQ Questions

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Dev Swami

Asked: October 19, 2021In: Class 12 Biology

From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

Class 12 Biology MCQ Chapter-2 Sexual Reproduction in Flowering Plants Class 12th Biology MCQ Sample paper Questions Class XII Science Biology MCQ Solutions 12th Biology Science Session 2022-23

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Shambhu

Asked: October 19, 2021In: Class 12 Biology

From the statements given below choose the option that are true for a typical female gametophyte of a flowering plant:

i. It is 8-nucleate and 7-celled at maturity ii. It is free-nuclear during the development iii. It is situated inside the integument but outside the nucellus iv. It has an egg apparatus situated at the chalazal end

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Shama

Asked: October 19, 2021In: Class 12 Biology

The outermost and innermost wall layers of microsporangium in an anther are respectively

Class XII Science Biology MCQ Solutions Class 12 Science Biology Terminal Exams MCQ Solutions 12th Biology Terminal Exam Based MCQ Extra Questions 12th Biology Chapter-2 Sexual Reproduction in Flowering Plants MCQ

In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be:

The phenomenon observed in some plants wherein parts of the sexual apparatus is used for forming embryos without fertilisation is called:

From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

From the statements given below choose the option that are true for a typical female gametophyte of a flowering plant:

The outermost and innermost wall layers of microsporangium in an anther are respectively

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