Q.

Identify the correct statement with regard to G1 phase (Gap 1) of interphase.     [2020]

1 DNA synthesis or replication takes place.  
2 Reorganization of all cell components takes place.  
3 Cell is metabolically active, grows but does not replicate its DNA  
4 Nuclear division takes place.  

Ans.

(3)

S or synthesis phase marks the period during which DNA synthesis takes place. Reorganisation of all cellular components takes place in M-phase. This phase also starts with nuclear division (Karyokinesis)