Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Which of the following pairs of plant families is known for pollen viability extending for several months post-release, impacting breeding strategies?
Rosaceae and Liliaceae
Leguminosae and Fabaceae
Poaceae and Solanaceae
Asteraceae and Brassicaceae
In angiosperms, where do microsporogenesis and megasporogenesis occur?
Anther and ovule, respectively
Ovule and anther, respectively
Stigma and style, respectively
Filament and ovary, respectively
Which of the following correctly describes the products of microsporogenesis and megasporogenesis in angiosperms?
Microspores and megaspores, respectively
Megaspores and microspores, respectively
Pollen grains and ovules, respectively
Ovules and pollen grains, respectively
Megasporogenesis results in the formation of four megaspores. How many of these typically develop into the embryo sac in angiosperms?
One
Two
Three
Four
Both microsporogenesis and megasporogenesis involve which type of cell division?
Meiosis
Mitosis
Binary fission
Budding
Given below are two statements:
Statement I: Cleistogamous flowers are always autogamous.
Statement II: Cleistogamy is disadvantageous as there is no chance for cross pollination.
In the light of the above statements, choose the correct answer from the options given below:
Both Statement I and Statement II are correct
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Cleistogamous flowers are known for:
(i) Never opening
(ii) Self-pollination
(iii) Promoting genetic diversity
(iv) Requiring pollinating agents
Choose the correct combination:
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iv)
Which of the following is a disadvantage of cleistogamy?
Lack of genetic variation
Assured seed set
No dependence on pollinators
Conserves energy
In angiosperms, what is the technical equivalent of the ovule?
Megasporangium surrounded by integuments
Megaspore mother cell
Microspore mother cell
Microspore surrounded by a callose wall
Which structure in gymnosperms is analogous to the angiosperm ovule?
Archegonium
Megasporangium surrounded by integuments
Microspore
Pollen grain
