Synthesis phase in the cell cycle is called so for the synthesis of more of

1. RNA
2. RNA and proteins
3. DNA
4. Glucose

The new cells are to be produced for all except:

1. Growth
2. Movement
3. Repair
4. Replacement

Nitrogenous bases are important components of DNA. They are formed by the combination of purines and pyrimidines with the help of hydrogen bonds. Which of the following options shows an incorrect combination ?

1. Adenine = Thymine
2. Guanine ≡ Cytosine
3. Cytosine ≡ Guanine
4. Thymine = Cytosine

In the cells of a human male body, the number of autosomes is :

1. 23 pairs
2. 22 pairs
3. 1 pair
4. 46 pairs