Transportation in Animals and Plants (CBSE (Central Board of Secondary Education- Board Exam) Class-7 Science): Questions 1 - 7 of 23
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Question number: 1
» Transportation in Animals and Plants » Circulatory System » Heart
Question
Which chamber of heart receives carbon dioxide rich blood from various body parts?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Left auricle |
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| b. | Right ventricle |
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| c. | Right auricle |
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| d. | All of the above |
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Question number: 2
» Transportation in Animals and Plants » Excretion in Animals » Excretory System in Humans
Question
Excretory organs in human are:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Sweat glands |
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| b. | Kidneys |
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| c. | Lungs |
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| d. | All a. , b. and c. are correct |
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Question number: 3
» Transportation in Animals and Plants » Transport of Substances in Plants » Transpiration
Question
Transpiration helps to:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Cool the plants |
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| b. | Lose the water absorbed by the roots through stomata |
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| c. | Create a suction pull that causes the ascent of sap to the shoot tip of the tallest trees |
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| d. | All a. , b. and c. are correct |
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Question number: 4
» Transportation in Animals and Plants » Excretion in Animals » Excretory System in Humans
Question
Human beings excreted body waste in the form of:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Solids |
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| b. | Liquids |
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| c. | Gases |
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| d. | All a. , b. and c. are correct |
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Question number: 5
» Transportation in Animals and Plants » Excretion in Animals » Excretory System in Humans
Question
The process of removal of all toxic and unwanted products from the body is called as:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Excretory system |
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| b. | Excretion |
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| c. | Excretory product |
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| d. | All of the above |
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Question number: 6
» Transportation in Animals and Plants » Circulatory System » Heartbeat
Question
Successive contractions and relaxations of heart produce ‘LUBB’ and ‘DUP’ sound constitute a:
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Heart beat |
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| b. | Double circulation |
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| c. | Pulse rate |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 7
» Transportation in Animals and Plants » Circulatory System » Blood
Question
Which type of blood cells are of the carrier of oxygen?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Red blood cells |
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| b. | Platelets |
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| c. | White blood cells |
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| d. | All of the above |
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