CBSE - Life Processes

1 Life Processes 

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

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

2 Life Processes 

Which one is the most poisonous excretory substance

(1) Uric Acid
(2) Urea
(3) Ammonia
(4) Hippuric Acid

3 Life Processes 

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

4 Life Processes 

'Edema' is related to
(1) Digestive system (2) Excretory system (3) Lymphatic system (4) Arterial system

5 Life Processes 

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

6 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

7 Life Processes 

In humans, disorders of nervous system are caused due to the deficiency of vitamin

(1) Pyridoxine  
(2) Retinol 
(3) Phylloquinone  
(4) Ascorbic acid

8 Life Processes 

Which of the following is not a part of the female reproductive system in human beings?

(1) Ovary
(2) Uterus
(3) Vas deferens
(4) Fallopian tube

9 Life Processes 

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

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

10 Life Processes 

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