According to Mendel what do you mean by dominant and recessive character in monohybrid cross? Evaluate how genetic counselling can help a man to take right decision before and after marriage.

What do you mean by anomalous behaviour of water? How it can be helpful for the survival of aquatic creatures in polar region?

Explain the benefits of tiger in a dense forest for variation. How can you assume about dominant recessive homozygous-heterozygous and pure hybrid organism from a genetic cross.

In a locality, there is a main road along North-South direction. The map is given below. With the help of the picture answer the following questions. (i) What is the 3rd object on the left side in street no 3? (ii) Find the name of the 2nd house which is in right side of street 2. (iii) Locate the position of Mr. K's house. (iv) How do you describe the position of the post office. (v) How do you describe the location of the hospital?