___________- Helps in clotting of blood.

• Platelets

• Heart

• Hemoglobin

• Pseudopodia

• NONE

Which of the following is responsible for carrying oxygen in the blood?

• Platelets

• Heart

• Hemoglobin

• Pseudopodia

• NONE

What is the function of red blood cells in the body?

• Clotting of blood

• Transporting oxygen

• Producing antibodies

• Regulating body temperature

• NONE

Which component of blood is responsible for fighting diseases ?

• Platelets

• Heart

• White blood cells

• Red Blood Cells

• NONE

What is the state of the blood?

• Solid

• Liquid

• Gaseous

• NONE

They are pipe-like, consisting of a group of specialized cells. They transport substances and form a two-way traffic in plants. Which of the following terms qualify for the features mentioned above?

• Phloem

• Xylem

• Vascular tissues
• Epithelial tissues
• Root hair

Which blood vessel carries oxygen-rich blood?

• Heart

• Ureter

• Veins

• Arteries

• Veins and arteries

The number of heart beats per minute is called

• Throbbing

• beating

• Pulse rate

• Pseudopodia

• None

The blood vessels which carry carbon dioxide-rich blood from all parts of the body back to the heart are called

• veins
• RBC

• capillaries
• arteries
• WBC

Aquatic animals excrete cell waste mostly as

• Ammonia
• Sulfuric acid
• Urea
• Carbon dioxide