State whether the following statements are true or false. If false, write the correct
form of the statement by changing the first or last word only.

A.

Chemicals applied to spots and places to kill harmful microorganisms are called
disinfectants.

State whether the following statements are true or false. If false, write the correct
form of the statement by changing the first or last word only.

A.

All voluntary actions are controlled by the cerebellum.

Select and rewrite the correct answer to the given statements from the four choices given below each statement:

(i) The cerebral hemispheres in mammals are connected by the

• Corpus luteum

• Hypothalamus

• Pons varolii

• Pons varolii

Select and rewrite the correct answer to the given statements from the four choices given below each statement:

(ii) Insulin is secreted by the

• Beta cells of the pancreas
  
  

• Alpha cells of the pancreas
  
  

• Delta cells of the pancreas
  
  

• Delta cells of the pancreas
  
  

A destarched plant is one whose

• Leaves are free from chlorophyll

• Aerial parts are free from starch

• Leaves are free from starch

• Leaves are free from starch

36.

The onset of menstruation in a female is termed

• Ovulation

• Menarche

• Menopause

• Menopause

Select and rewrite the correct answer to the given statements from the four choices

(v) BCG vaccine provides immunity against

• Tetanus

• Cholera

• Tuberculosis

• Tuberculosis

Give the specific function of the following structures found in the body of plants/animals.

(i) Hydathodes

Give the specific function of the following structures found in the body of
plants/animals.

(ii) Centrosome

Give the specific function of the following structures found in the body of
plants/animals.

(iii)Xylem