Class 7 Science Chapter 7 Transportation In Animals And Plants Quiz 25 (25 MCQs)

Quiz Instructions

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1. The average person has about ..... litres of blood.
2. Why did early man move from place to place?
3. Which of the following is not a basic need of most animals?
4. Plants have stems that function to provide support. This organ in plants is most similar to which of the following in humans?
5. What is the work of capillaries in body
6. Which of these is compared to the "brain" of a cell, directing all of its activities?
7. The throbbing movements in the inner side of the left wrist is due to .....
8. ..... are required in large amounts by plants.
9. The human heart is divided into how many chambers?
10. The function of transpiration is to transport ..... and ..... from the roots to the leaves
11. The process of removal of waste is called as .....
12. Blood of Veins ..... to the heart.
13. ..... provides buoyancy and flexibility to hydrophytes.
14. What are the structures within a cell that have specialized jobs that keep the cells alive?
15. Arteries and Veins are joined by a network of
16. Nitrogen, Phosphorus and Potassium are examples of
17. "power house" of the cell-converts sugar into energy
18. A muscular wall, that divides heart length wise into its left and right sides
19. Why do arteries have a thick muscle layer?
20. What is the liquid part of blood called?
21. It is yellowish in colour and contains about 90 per cent water and has food, wastes, enzymes etc dissolved in it.
22. Transpiration process in plants occur
23. Blood is the fluid which flows in the .....
24. What was the food of early man?
25. Michael looked at a cell through a microscope. He identified a nucleus, chloroplast, and cytoplasm. What kind of cell did Michael observe?