Write short note on Pollen kitt.

‘Pollination in Gymnosperms is different from Angiosperms’ – Give reasons.

Enumerate the characteristic features of Entomophilous flowers

With a suitable diagram explain the structure of an ovule.

What is endosperm. Explain the types.

Give a detailed account on parthenocarpy. Add a note on its significance.

Explain polygenic inheritance with an example.

Explain with an example how single genes affect multiple traits and alleles the phenotype of an organism.

How is Nicotiana exhibit self-incompatibility. Explain its mechanism.

What is gene mapping? Write its uses

Write the advantages of herbicide tolerant crops

What is bioremediation? give some examples of bioremediation.

Give an account on Cryopreservation.

Write the protocol for artificial seed preparation.

What is co evolution?

List out the effects of fire to plants.

Enumerate the anatomical adaptations of xerophytes.

Generally in summer the forest are affected by natural fire. Over a period of time it recovers itself by the process of successions .Find out the types of succession and explain.

Various stages of succession are given bellow. From that rearrange them accordingly. Find out the type of succession and explain in detail.
Reed-swamp stage, phytoplankton stage, shrub stage, submerged plant stage, forest stage, submerged free floating stage, marsh meadow stage.

Explain afforestation with case studies.

Write a note on heterosis.

Give an account on the role of Jasminum in perfuming

Write the economic importance of rice.

What are psychoactive drugs? Add a note Marijuana and Opium

How will you prepare an organic pesticide for your home garden with the vegetables available from your kitchen?