Count the number of squares of different colours and answer the questions given below. What is the ratio of red and green squares.

Count the number of squares of different colours and answer the questions given below. What is the ratio of brown and violet squares.

Count the number of squares of different colours and answer the questions given below. Ratio of brown and yellow squares.

Count the number of squares of different colours and answer the questions given below. Which four of the coloured squares are in proportion.

Haemophilia is a sex linked recessive disorder of humans. The pedigree chart given below shows the inheritance of Haemophilia in one family. Study the pattern of inheritance and answer the questions given. (a) Give all the possible genotypes of the members 4, 5 and 6 in the pedigree chart. (b) A blood test shows that the individual 14 is a carrier of haemophilia. The member numbered 15 has recently married the member numbered 14. What is the probability that their first child will be a haemophilic male ? Show with the help of Punnett square.

The number of atoms per unit cell of the two dimensional square unit cell shown below is:

In Cucurbita, W is epistatic over Y and y gene normally responsible for yellow and green colour fruits. It produces white flowers. What is the ratio of fruits in the progeny of cross WwYy xx wwYy ?

Let's fill in the blank squares given below:- 5^@=?

In the table given below, fill up the blank squares.

Let's fill in the blank squares given below:- 1 = 13^?

Let's fill in the blank squares given below:- 7^3 div? = 1