Evolution — BIOLOGY STD 12 Science — Question

Write an alternate source of protein for animal and human nutrition.

Why do certain genes tend to be inherited together in a cell at the time of cell division?

In a dihybrid cross carried out by T.H. Morgan in Drosophila, the F, ratio deviated from that of Mendel's dihybrid F, ratio. Give a reason.
Or
Why do certain genes tend to be inherited together in a cell at the time of cell division?

Or
If the frequency of a parental form is higher than 25% in a dihybrid test cross, what does that indicate about the two genes involved?

Which was sthe first type II restriction endonuclease to be discovered?

Name the agents which facilitate the fusion of protoplast.

What are converter and why are they called so?

List out the consequences of population explosion.

Name the National Park in India where migratory birds arrive in winter from Siberia.

Name any two industrially important enzymes.

1. What is 'r' in the population equation given as: dN/ dt = rN
2. How does the increase and the decrease in the value of r affect the population size?