Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Write the level of biodiversity represented by a mangrove. Give another example falling in the same level.

Give one example for each of the following types.
Biological control agent.

Write an example of egg parasitism.

Write the conclusion Griffith arrived at, at the end of his experiments with Streptococcus pneumoniae.

Mention the useful as well as harmful drug obtained from the latex of poppy plant.

OR

Name the drug obtained form the latex of Papaver somniferum?

In the embryos of a typical dicot and a grass, which are the true homologous structures?

'Ecosystem is called an interactive system'. Name a functional aspect of ecosystem which justifies the above statement.

What is biotechnology?

Which of Mendel's Law of Inheritance is universally acceptable and without exception? State the law.

A mother of a 1 year old daughter wants to space for her second child. Her doctor advised her to take copper T. Explain its contraceptive effect.
Or
How is copper T an effective contraceptive for women?