Reproductive Health — BIOLOGY STD 12 Science — Question

(a) Write scientific names of causal organism and vector organism of malaria and write symptoms of this disease.
(b) Write names of two diseases spread by Aedes mosquito.

AUG GAC CUG AUA UUU UGA is the base sequence in a strand of mRNA.

1. Write the base sequence of the DNA strand from which it has been transcribed.
2. Upon translation, how many amino acids will the resulting peptide have?

Define :
(a) Carrying capacity (b) Biotic potential (c) Growth curve

Why is proinsulin so called? How is insulin different from it?

List the different types of pollination depending upon the source of pollen grain.

A person recuperating from illness is advised to have curd regularly. Why?

List any four properties of a molecule to be able to act as a genetic material.

In snapdragon, a cross between true–breeding red flowered (RR) plants and true–breeding white flowered (rr) plants showed a progeny of plants with all pink flowers.

1. The appearance of pink flowers is not known as blending. Why
2. What is this phenomenon known as?

Write the mechanism of action of HIV infection?

Draw a digrammatic sketch of a dicot embryo and label any four parts including the reduced suspensor.