Q3.The number of chromosome and the amount of DNA are changed in
Answer : Option AExplaination / Solution:
S phase marks the period during which DNA synthesis or replication takes place. During this time the amount of DNA per cell doubles. If the initial amount of DNA is denoted as 2C then it increases to 4C.and even in anaphase the chromosome numbers are changed.1
Answer : Option DExplaination / Solution:
The interphase, though called the resting phase, is the time during which the cell is preparing for division by undergoing cell growth in an orderly manner. No divisional activities occur during this phase. Hence the name.
Q10.In which stage, the cells remain metabolically active but do not proliferate?
Answer : Option CExplaination / Solution:
In Go stage the cells are in a metabolically active state but do not divide unless there are some abnormal genes which reverses the same. This stage is also called quiscent stage. Examples human nerve cells.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0