Evolution — BIOLOGY STD 12 Science — Question

Scrubbers are mostly used to remove which gas from industrial effluents?

How are different varieties of pollen grains stored for long period of time in pollen banks?
OR
Mention any one application of a pollen bank.

Write the names of any three microbes used in the manufacturing of industrial products

Why does DNA move towards the anode in gel electrophoresis?

What are nectar/ pollen robbers?

Name the parts of pistil which develop into fruit and seeds.

Given below are the stages in human reproduction. Write them in correct sequential order.
Insemination, Gametogenesis, Fertilisation, Parturition, Gestation, Implantation

What are the two main concepts of Darwinism?

Which of the following diseases can be diagnosed by analysing the karyotype? Haemophilia, Turner's syndrome, Phenylketonuria.

Mention the two additional processings which hnRNA needs to undergo after splicing so as to become functional.