CBSE - Life Processes

1 Life Processes 

Plant part used as medicine of Terminalia arjuna-
(1) Leaves (2) Fruits (3) Bark (4) Roots

2 Life Processes 

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

3 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

4 Life Processes 

By which cell the process of opening and closing of stomata is controlled?

(1)  Epidermal Cell
(2)  Guard Cell
(3)  Accessory Cell
(4)  Leaf Cell

5 Life Processes 

Which one of the following is attached to the right ventricle?

(1) Pulmonary artery 
(2) Pulmonary vein
(3) Superior venacava 
(4) Inferior venacava

6 Life Processes 

Iodine is necessary for the synthesis of which hormone ?
(1) Auxin (2) Thyroxin (3) Adrenaline (4) Insulin

7 Life Processes 

 Which one of the following is not a function of the kidney ?

(1) Filtration 
(2) Oxidation 
(3) Absorption 
(4) Secretion

8 Life Processes 

_________ smoothens bone surface at joints and is also present in the nose, ear, trachea & larynx.

(1) Tendons
(2) Ligament
(3) Areolar tissues
(4) Cartilage

9 Life Processes 

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

10 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