HSC Science कक्षा ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Explain the different types of fleshy fruit with suitable example.

What is the role of national gardens in conserving biodiversity – discuss.

An example of feedback inhibition is ______.

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown & one blank component “ X” in it.

Distinguish between Nitrogen base and a base found in inorganic chemistry.

Write the characteristic feature of DNA.

Explain the structure and function of different types of RNA.

Give a brief account on Programmed Cell Death (PCD).

Mention the pigments and storage food of Dinophyceae.

Name the flagellation found in the zoospore of Oedogonium

Select the mismatch pair

Explain the mechanism of biotic stress.

Where will you place the plants which contain two cotyledons with cup shaped thalamus?

How do molecular markers work to unlock the evolutionary history of organisms?

Which of the following is a flowering plant with nodules containing filamentous nitrogen fixing micro - organisms?

Flowers are zygomorphic in ______.

Give the floral characters of Clitoria ternatea.

How will you distinguish Solanaceae members from Liliaceae members?

If K_b and K_f for a reversible reaction are 0.8 × 10^-5 and 1.6 × 10^-4 respectively, the value of the equilibrium constant is,

At a given temperature and pressure, the equilibrium constant values for the equilibria

\[\ce{3A2 + B2 + 2Cr <=>[K1] 2A3BC}\] and

\[\ce{A3BC <=> 3/2 A2 + 1/2 B2 + C}\]

The relation between K₁ and K₂ is