CBSE - Life Processes

1 Life Processes 

If the saliva is lacking in salivary amylase then which of the following processes taking place in the buccal cavity will  be affected?

(1) Proteins breaking down into amino acids 
(2) Starch breaking down into sugars
(3) Fats breaking down into fatty acids and glycerol 
(4) Intestinal layer breaking down leading to ulcers

2 Life Processes 

Which one of the following is not a factor of respiration?

(1) Oxygen 
(2) Carbondioxide 
(3) Water 
(4) Temperature

3 Life Processes 

Energy flow in an Ecosystem is-
(1) Unidirectional (2) Bidirectional (3) Bark (4) Roots

4 Life Processes 

Which one of the following does not contain any enzyme?

(1) Bile 
(2) Gastric juice 
(3) Saliva 
(4) Pancreatic juice

5 Life Processes 

Which of the following gland acts as an endocrine gland as well as exocrine gland?

(1)  Salivary gland
(2)  Pancreas gland
(3)  Pituitary gland
(4)  Parathyroid gland

6 Life Processes 

The Pancreas secretes pancreatic juice which contains_______ enzyme for digesting proteins.

(1) Lipase
(2) Amylase
(3) Zymase
(4) Trypsin

7 Life Processes 

The instrument for measuring blood pressure is called
(1) Manometer (2) Sphygmomanometer (3) Barometer (4) Potentiometer

8 Life Processes 

Master gland is controlled by ..

(1) Cerebellum
(2) Cerebrum
(3) Medulla
(4) Diencephalon

9 Life Processes 

Which cell organelle is known as suicidal bag
(1) Ribosome (2) Centrosome (3) Lysosome (4) Peroxysome

10 Life Processes 

Which endocrine gland does regulate the level of phosphorus in blood?

(1) Thyroid 
(2) Parathyroid 
(3) Adrenal 
(4) Pituitary