Class 12 Biology

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Nagender

Asked: October 19, 2021In: Class 12 Biology

The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be:

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Arusi

Asked: October 19, 2021In: Class 12 Biology

While planning for an artificial hybridization programme involving dioecious plants, which of the following steps would not be relevant

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Poll

Dev Swami

Asked: October 19, 2021In: Class 12 Biology

In a fertilised embryo sac, the haploid, diploid and triploid structures are

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Poll

Moti Lal

Asked: October 19, 2021In: Class 12 Biology

A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by

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Shambhu

Asked: October 19, 2021In: Class 12 Biology

Autogamy can occur in a chasmogamous flower if

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Poll

Shambhu

Asked: October 19, 2021In: Class 12 Biology

Starting from the innermost part, the correct sequence of parts in an ovule are.

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Shama

Asked: October 19, 2021In: Class 12 Biology

During microsporogenesis, meiosis occurs in

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Poll

Bhagvati

Asked: October 19, 2021In: Class 12 Biology

A dicotyledonous plant bears flowers but never produces fruits and seeds. The most probable cause for the above situation is

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Poll

Bhagvati

Asked: October 19, 2021In: Class 12 Biology

Among the terms listed below, those that of are not technically correct names for a floral whorl are:

i. Androecium ii. Carpel iii. Corolla iv. Sepal

Poll

Nagender

Asked: October 19, 2021In: Class 12 Biology

Which of the following is a post-fertilisation event in flowering plants?

Class 12 Biology Chapter-1 Reproduction in Organisms MCQ Questions Class 12th Biology NCERT Based MCQ Questions Answers 12th Biology NCERT Syllabus MCQ Questions Class 12 Science Biology Terminal Exams MCQ Solutions

Category: Class 12 Biology

The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be:

While planning for an artificial hybridization programme involving dioecious plants, which of the following steps would not be relevant

In a fertilised embryo sac, the haploid, diploid and triploid structures are

A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by

Autogamy can occur in a chasmogamous flower if

Starting from the innermost part, the correct sequence of parts in an ovule are.

During microsporogenesis, meiosis occurs in

A dicotyledonous plant bears flowers but never produces fruits and seeds. The most probable cause for the above situation is

Among the terms listed below, those that of are not technically correct names for a floral whorl are:

Which of the following is a post-fertilisation event in flowering plants?

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