Mention one significant difference between each of the following:
Parenchyma and Sclerenchyma.
| Parenchyma | Scherenchyma |
| Characterised by the presence of uniformly thin primary cell wall and lack of secondary cell wall. | Characterised by the presence of thick secondary cell wall just inside their primary cell wall. |
Mention one significant difference between each of the following:
Symplastic movement and apoplastic movement.
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:
Hormones of ovulatory phase and hormones of luteal phase.
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
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
