Each of the following questions / statements has four suggested answers.  Rewrite the correct answer in each case:

Typhoid is classified as a:

• Viral disease

• Genetic disorder

• Bacterial disease

• Bacterial disease

Each of the following questions / statements has four suggested answers.  Rewrite the correct answer in each case:

Bt cotton is resistant to:

• Insects 

• Herbicides 

• Salt 

• Salt 

Each of the following questions / statements has four suggested answers. Rewrite the correct answer in each case:

Roots and shoots lengthen through the activity of:

• Apical meristem

• Vascular Cambium 

• Lateral meristem 

• Lateral meristem 

4.

Each of the following questions / statements has four suggested answers. Rewrite the correct answer in each case:

An antiviral protein released from infected and dying cells is:

• Antigen

• Antibody

• Antiserum 

• Antiserum 

Each of the following questions / statements has four suggested answers. Rewrite the correct answer in each case:

Opening and closing of stomata is due to:

• Ca2+

• Na+ 

• K⁺ 

• K⁺ 

Mention one significant difference between each of the following:

Parenchyma and Sclerenchyma.

Mention one significant difference between each of the following:

Epistasis and dominance.

Mention one significant difference between each of the following:   

Hormones of ovulatory phase and hormones of luteal phase.

Mention one significant difference between each of the following:                                            

Symplastic movement and apoplastic movement.

Mention one significant difference between each of the following:                                    

Phenotype and Genotype.