HARD
9th Kerala Board
IMPORTANT
Earn 100

When a cell divides into two daughter cells, shouldn't the chromosome number-46, be halved?

Important Questions on Division For Growth And Reproduction

HARD
9th Kerala Board
IMPORTANT
Life begins from a single cell, the zygote. The importance of cell division can be understood from this. However, can growth be attained by cell division alone?
HARD
9th Kerala Board
IMPORTANT
Define cell cycle and its phases.
HARD
9th Kerala Board
IMPORTANT

The division of the nucleus is completed through four phases. Complete the table below according to the changes that occur during the division of the nucleus.

Stages Changes
   
   
   
   

 

HARD
9th Kerala Board
IMPORTANT
When the division of the nucleus gets completed, it result in two daughter nuclei with no change in their chromosome number. How does the cell divide into two daughter cells.
MEDIUM
9th Kerala Board
IMPORTANT
Is the division of cytoplasm same in animal cells and plant cells? List out the differences between them.
HARD
9th Kerala Board
IMPORTANT
There are various stages in the growth of human beings. List out the stages.
MEDIUM
9th Kerala Board
IMPORTANT
There are changes quite different from other stages that occur in old age. What are the physical peculiarities of old age?
MEDIUM
9th Kerala Board
IMPORTANT
The growth of a tree and that of a human being are not the same. Differentiate between the growth of tree and humans.