Why is color of blood red?

• myoglobin

• globulin

• heamoglobin

• fibrinogen

What is the function of white blood cells?

• transport oxygen

• fight against infection

• clotting

• all the above

Phloem helps in the transport of

• Food

• water

• Food and Water

• Oxygen

What takes blood back to the heart?

• arteries

• veins

• capillaries

This part of blood helps it clot, when you get cut.

• Red blood cells
• Plasma
• Platelets
• White blood cells

Which system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues?

• Nervous

• Respiratory

• Circulatory

Aquatic animals excrete cell waste mostly as

• Ammonia
• Sulfuric acid
• Urea
• Carbon dioxide

The periodical filtration of blood through an artificial kidney is known as ……………..

• Dialysis

• Kidney irrigation
• Diagnostic

• DYS Artificial Kidney

• NONE

Root hairs help in absorption of water by

• increasing the surface area

• decreasing the surface area

• holding the plant in the soil

• none of the above

Absorption of water in plants take place by

• osmosis

• diffusion

• both (a) and (b)

• none of the above