Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

The flow of materials from non living components to living components and back to the non living components in a more or less cyclic manner is called:

The life begins above which level.

Our solar system was formed about ............. years ago.

After completion of the biosynthetic stage in the bioreactors, the product undergoes separation and purification processes, collectively termed as _______________:

One functional unit of gene which specifies synthesis of one polypeptide is known as

Suresh and Rajesh have defective haemoglobin due to genetic disorders. In Suresh, the problem is qualitative as he is having incorrectly functioning globin molecules while in Rajesh the problem is quantitative as he is having very few globin molecules. Identify the disorder they are suffering from.

	Suresh	Rajesh
A	Thalassemia - Autosomal Dominant blood disorder	Sickle Cell Anaemia - Autosomal linked Recessive trait
B	Sickle Cell Anaemia - Autosomal linked Dominant trait	Thalassemia - Autosomal Recessive blood disorder
C	Sickle Cell Anaemia – Autosomal linked Recessive trait	Thalassemia – Autosomal Recessive blood disorder
D	Thalassemia - Autosomal Dominant blood disorder	Sickle Cell Anaemia - Autosomal linkedDominant trait

There is a restriction endonuclease called EcoRI. What does .co part in it stand for?

Aravalli hills are located in

According to the demographic cycle, India is in the phase of