Question # 1

Smoking may also lead to the cancers in:

Kidneys and pancreas

Oral cavity and larynx

Breast and bladder

All of them

In man the system of gaseous exchange is:

digestive system

respiratory system

nervous system

excretory system

The process in which there is insomplete oxidation reduction of glucose :

Photosynthesis

Circulation

Fermentation

Transpiration

Flower of which plant is pollinated by wind:

Rose

Sunflower

Grass

Butter cup

The process of gaseous exchange involves.

Break down of C-H bounds to yield energy.

Physical movements that take air ain and our of body

Getting oxygen from the air and removing carbon dioxide

Transport of oxygen by the blood to different parts of the body.

Normal pH of blood is maintained at.

7.35 -7.40

7.35-7.45

7.30-7.40

7.30-7.45

Biology Life Science Test Easy Mode MCQs With Answers