Evolution — BIOLOGY STD 12 Science — Question

Group the following as nitrogenous base and nucleosides :
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.

Expand ELISA. Mention its applications.

Name the basic requirement of any ecosystem to function and sustain properly.

Name two animals that have evolved along with Tasmanian wolf in the Australian continent.

Name two freshwater angiosperms that show true hydrophily.

Give the initiation codon for protein synthesis. Name the amino acid it codes for.

Write the symptoms of turner's syndrome.

Given below are the events in human reproduction. Write them in correct sequential order.
Insemination, gametogenesis, fertilisation, parturition, gestation, implantation.

How many types of mRNA exist on the basis of number of cistron?

Name the category of disease in which ‘Rheumatoid arthritis' in human, put under.

OR

Name the category of the disease, rheumatoid arthritis.