Under normal conditions, human urine contains 95% water and 5% waste products. What would be the percentage of waste products in a darker shade of urine?

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Important Questions on Transportation in Animals and Plants

EASY

7th CBSE

IMPORTANT

Science Textbook of Competency Based Questions for Class VII>Chapter 11 - Transportation in Animals and Plants>Exercise>Q 8

Which of these statements is correct?

MEDIUM

7th CBSE

IMPORTANT

Science Textbook of Competency Based Questions for Class VII>Chapter 11 - Transportation in Animals and Plants>Exercise>Q 9

The table shows the heart rate of a student before and after different types of exercise.

	Number of heart beats per minute
	Before exercise	Just after exercise
Exercise 1	92	135
Exercise 2	88	105
Exercise 3	90	155
Exercise 4	92	115

Which exercise resulted in the maximum change in heart rate?

EASY

7th CBSE

IMPORTANT

Science Textbook of Competency Based Questions for Class VII>Chapter 11 - Transportation in Animals and Plants>Exercise>Q 10

The normal heart rate for an adult human is 60-100 beats per minute. Why does the heart rate vary among individuals?

MEDIUM

7th CBSE

IMPORTANT

Science Textbook of Competency Based Questions for Class VII>Chapter 11 - Transportation in Animals and Plants>Exercise>Q 11

The adjacent diagram shows a section of the heart. Which two chambers of the heart contain oxygenated blood?

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EASY

7th CBSE

IMPORTANT

Science Textbook of Competency Based Questions for Class VII>Chapter 11 - Transportation in Animals and Plants>Exercise>Q 12

Which of these tells you the sequence in which the blood leaves the heart and returns to it?

HARD

7th CBSE

IMPORTANT

Science Textbook of Competency Based Questions for Class VII>Chapter 11 - Transportation in Animals and Plants>Exercise>Q 13

The figure shows diagrams of T.S of two plant organs, X and Y, containing vascular tissue. Which of the following rows correctly identifies the tissues?

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