Evolution — BIOLOGY STD 12 Science — Question

Reproductive and Child Healthcare (RCH) programmes are currently in operation. One of the major tasks of these programmes is to create awareness amongst people about the wide range of reproduction related aspects. As this is important and essential for building a reproductively healthy society.

1. “Providing sex education in schools is one of the ways to meet this goal.” Give four points in support of your opinion regarding this statement.
2. List any two ‘indicators’ that indicate a reproductively healthy society.

Distinguish between :
Primary and secondary productivity

What does an interaction between pollen grains and its compatible stigma result in after pollination? List two steps in sequence that follow after the process.

State Mendel’s principle of segregation.

How tobacco plant is made pest resistance from nematodes?###Explain RNA interference with example.###Explain: Pest resistance Plants.

Describe the discontinuous synthesis of DNA.

Expand LAB. Mention two benefits LAB provides.

Differentiate between a template strand and coding strand of DNA.

Choose any three microbes, from the following which are suited for organic farming which is in great demand these days for various reasons. Mention one application of each one chosen.
Mycorrhiza; Monascus; Anabaena; Rhizobium; Methanobacterium; Trichoderma.

In a maternity clinic, for some reasons the authorities are not able to hand over the two new-borns to their respective real parents. Name and describe the technique that you would suggest to sort out the matter.