20621328
Description
Quiz by Deepa Nair, updated more than 1 year ago
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Created by Deepa Nair
over 4 years ago
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Question 1
Question
After harvest, the fields are sometimes burned to clear them in preparation for the next season. This helps in the removal of the plant material. Which of the following can it also help in?
Answer
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making the soil softer and aerating it
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increasing the water content in the soil
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reducing the carryover of certain pests
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preventing loss of soil by the action of wind
Question 2
Question
The table below shows the number of seeds per fruit for some plants. Based on the given data, which other characteristics of the plant could be predicted[blank_start]?[blank_end]
Image:
P2 (binary/octet-stream)
Answer
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the size of the seeds
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the size of the fruits
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the number of ovules per flower
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the number of ovaries per flower
Question 3
Question
The schematic diagram shown below represents the human circulatory system. Which all of the marked blood vessels in the schematic is a vein?
Image:
C1 (binary/octet-stream)
Answer
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A
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B
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C
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D
Question 4
Question
The drawing shows an apple falling to the ground. In which of the three positions does gravity act on the apple?
Image:
C2 (binary/octet-stream)
Answer
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2 only
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1 and 2 only
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1 and 3 only
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1, 2 and 3
Question 5
Question
Three pictures show the same plastic bottle filled with air at altitudes of 14,000 ft, 90000 ft, and 1000 ft respectively. The bottle gets crushed as the altitude decreases because the atmospheric pressure outside keeps [blank_start]increasing[blank_end] with a decrease in altitude.
Image:
C3 (binary/octet-stream)
Answer
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increasing
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