CBSE - Life Processes

1 Life Processes 

What is the weight of the brain of an adult human?

(1)  1350gm
(2)  1.350gm
(3)  1530gm
(4)  3150gm

2 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

3 Life Processes 

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

4 Life Processes 

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

5 Life Processes 

Master gland is controlled by ..

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

6 Life Processes 

The given flow chart shows three steps of glucose breakdown in different conditions. Which of the following steps takes place in the mitochondria ?

(1) Step I
(2) Step II
(3) Step III
(4) Both (2) & (3)

7 Life Processes 

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

8 Life Processes 

Anger is caused by increased levels ofthe following hormone.

(1) Somatotropin
(2) Thyroxine
(3) Testosterone
(4) Adrenaline

9 Life Processes 

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

10 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