NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1557 - 1560 of 2028
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Question number: 1557
» Biology » Reaching the Age of Adolescence
Question
Testosterone and estrogen are:
Choices
Choice (4) | Response | |
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a. | Nutrients |
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b. | Sex cells |
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c. | Enzymes |
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d. | Sex hormones |
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Question number: 1558
» Biology » Reproduction in Animals
Question
Which stage of childbirth causing the cervix to dilated?
Choices
Choice (4) | Response | |
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a. | Afterbirth stage or Third stage |
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b. | Labor stage or first stage |
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c. | Delivery stage or second stage |
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d. | None of the above |
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Question number: 1559
Question
The figures given below shows four types of microorganisms A, B, C and D. What microorganisms are represented by A, B, C and D respectively?

Four Types of Microorganisms a, B, C and D
Four types of microorganisms A, B, C and D
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Choice (4) | Response | |||||||||
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a. |
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b. |
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c. |
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d. |
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Question number: 1560
Question
Photosynthetic pigment chlorophyll b is not present in:
Choices
Choice (4) | Response | |
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a. | Chlorophyta and Chrysophyta |
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b. | Euglenophyta and Chlorophyta |
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c. | Chrysophyta and Rhodophyta |
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d. | Rhodophyta and Euglenophyta |
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