Q4. Match the following diseases with the causative organism and select the correct option.
Column-I
a. Typhoid
b. Pneumonia
c. Filariasis
d. Malaria
Column-II
i. Wuchereria
ii. Plasmodium
iii. Salmonella
iv. Haemophila
1. a (i) b (iii) c (ii) d (iv)
2. a (iii) b (iv) c (i) d (ii)
3. a (ii) b (i) c (iii) d (iv)
4. a (iv) b (i) c (ii) d (iii)
2. a (iii) b (iv) c (i) d (ii)
Q6. Identify the wrong statement with reference to the gene āIā that controls ABO blood groups.
1. The gene (I) has three alleles
2. A person will have only two of the three alleles
3. When IA and IB are present together, they express same type of sugar.
4. Allele āiā does not produce any sugar.
3. When IA and IB are present together, they express same type of sugar.
Q7. Choose the correct pair from the following
1. Ligases - Join the two DNA molecules
2. Polymerases - Break the DNA into fragments
3. Nucleases - Separate the two strands of DNA