What happens when somatic cells enter stage of cell cycle

Question

Problem:

Question 1: Alternation of generation in land plants refers to :

1. Lifecycle that includes only diploid multicellular stage.
2. Lifecycle that includes only haplod multicellular stage.
3. Lifecucle that includes both diploid and haploid multicellular sage.
4. All of the above.
5. None of the above.

 

Question 2: Multicellular animals that pass through embryonic stages of development are known as:

1. Protozoans
2. Metazoans
3. Angiosperms
4. Gymnosperms
5. None of the above

 

Question 3: When somatic cells enter stage of cell cycle and stop fividing, they are said to be in a state of

1. Senescence
2. Non reproductive
3. Cell cycle
4. Inactive
5. Programmed cell death

 

Question 4: Assume a single cell having 20 pairs of chromosomes undergoes complete meiotic division. What is the chromosome complement of each of the daughter cells?

1. 80
2. 40
3. 20
4. 10
5. None of the above

 

Question 5: When the end point of signal transduction is cytoskeletal regulation, the result is :

1. Cell shape changes and cell migration
2. Differential gene expression
3. Receptor activation
4. Ligand activation
5. None of the above

Please give correct answer of the questions.