HSC Science Class 12 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Write the various steps involved in cell suspension culture.

Based on the material used, how will you classify the culture technology? Explain it.

Write the protocol for artificial seed preparation.

Enumerate the anatomical adaptations of xerophytes.

List out any five morphological adaptations of halophytes.

Deforestation means

Deforestation does not lead to

What are the effects of deforestation and the benefits of agroforesty?

This is an example of brush fibre yielding plant

Describe the types of fibres.

First cell of male gametophyte in angiosperm is

Arrange the layers of another wall from locus to periphery

Choose the correct statement(s) about tenuinucellate ovule

Differentiate Secretary and invasive tapetum.

What is Cantharophily?

List any two strategy adopted by bisexual flowers to prevent self-pollination.

What is endothelium?

List out the functions of the tapetum.

Distinguish tenuinucellate and crassinucellate ovules.

Give short notes on types of ovules.