Download App

Sexual Reproduction in Flowering Plants — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYSexual Reproduction in Flowering Plants3 Marks
Question
Explain the characteristic features of flowers that facilitate wind pollination.
✓

Answer

In wind pollinated flowers:
  1. The stamens are well-exposed, so that pollen grains are easily dispersed in wind currents.
  2. The stigma is large and often feathery, to easily trap the air-borne pollen grains.
  3. The pollen grains are light and non-sticky, to be transported in wind currents.
  4. There is a single ovule in the ovary of these flowers.
  5. Numerous small flowers are packed into an inflorescence.
  6. Pollen grains are produced in enormous quantity.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "3 Marks Question" from Sexual Reproduction in Flowering Plants→Sexual Reproduction in Flowering Plants — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

  1. Name any two places where it is essential to install electrostatic precipitators. Why it is required to do so?
  2. Mention one limitation of the electrostatic precipitator.
→
On a visit to a Hill station, one of your friend suddenly become unwell and felt uneasy.
  1. List two symptoms you would look for to term it to be due to allergy.
  2. Explain the response of the body to an allergen.
  3. Name two drugs that can be recommended for immediate relief.
→
What is a recombinant DNA vaccine? Give two examples.
→
When Morgan conducted dihybrid cross on Drosophila like Mendel did with pea plants, the F2 ratio deviated significantly from that of Mendel's F, ratio. Write the explanation Morgan and his group gave to the observations they obtained from their experiment.
→
What is genetic engineering? Explain the technique of Recombinant DNA production.
→
What is humus? Mention its properties.
→
Explain the role of alkaline phosphatase in recombinant DNA technology. What is the source of this enzyme?
→
Explain the struggle for life in the context of Darwin.###According to Darwin, how many types of struggle for life are there in nature? Explain.
→
How did Louis Pasteur successfully demolish the popular theory of spontaneous generation? What were his conclusions?
→
What do you understand by the term biopesticide? Name and explain the mode of action of a popular biopesticide. Biopesticides are methods of controlling pests that rely on natural predation rather than introduced chemicals/ or living organisms used to kill pests.
→