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Questions and Answers
The male reproductive system consists of a pair of ______, a pair of sperm ducts and a penis.
testes
Sperms are the male ______ produced by testes in humans.
gametes
Testosterone is the primary male sex hormone and is produced by the ______.
testes
Millions of ______ are produced by the testes in a day.
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The female reproductive system consists of a pair of ovaries, a pair of fallopian tubes (oviducts) and a single ______.
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Oestrogen or ______, is the primary female sex hormone secreted by ovaries.
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The ovary produces the female gametes known as ______ or ova (plural).
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A single mature egg or ______ is released into the oviduct/fallopian tube by the respective side ovary every month.
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Fertilization is the process of fusion of the male gamete with the female ______.
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Both the gametes containing haploid (single) sets of chromosomes fuse and thus maintain the diploid (double) number of chromosomes.The fertilized ______ is now called a zygote.
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What are the two main types of volcanic eruptions?
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How do scientists monitor volcanic activity?
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What causes earthquakes?
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Why are seismic waves important in studying earthquakes?
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What are some safety measures implemented for volcanic and earthquake risks?
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What are some safety measures that can be taken to mitigate the risks associated with lightning?
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How can understanding the mechanisms of volcanic eruptions, earthquakes, and lightning help in risk mitigation?
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What role do governments and communities play in reducing the risks posed by natural phenomena like volcanic eruptions, earthquakes, and lightning?
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How is lightning initiated in thunderclouds?
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In what ways can science and technology be utilized to monitor, forecast, and study natural phenomena like volcanic eruptions, earthquakes, and lightning?
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