CBSE Class 7 - Science - Transportation in Animals and Plants (Worksheet)

Directions: Fill in the blanks with suitable word(s) in the following statements.

1. The fluid part of the blood is called _________.

2. Red pigment of RBC is _____________.

3. _____________ fight against germ cells.

4. Two types of blood vessels are _______ and __________.

5. _________ carry blood from the heart to all parts /organs.

6. _________ brings blood from organs back to the heart.

7. Pulse rate is __________ to _________ beats per minute.

8. Arteries are made of thicker walls because blood flows with _________.

9. ___________ acts as the pump for the transport of blood.

10. ___________ is a device which is used by doctors to listen to the heart beat and pulse.

11. Removal of metabolic waste from the body is called _________.

12. Metabolic waste in humans is _______.

13. Metabolic waste in fishes is ________.

14. Metabolic waste in birds is ________.

15. Plants transport food, minerals and water through collection of tubes collectively called __________ bundles.

16. In plants ________ is responsible for transport of water, while ________ is responsible for transport of food.

Answers:

1: Plasma

2: Haemoglobin

3: White Blood Cells (WBCs)

4: arteries and veins

5: Arteries

6: Veins

7: equal, number of heartbeats

8: great pressure

9: heart

10: Stethoscope

11: excretion

12: urea

13: ammonia

14: uric acid

15: vascular

16: xylem, phloem

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