Pesticides infect the egg sheaths of the sparrows. Based on your understanding of what a ‘sheath’ is, choose an option which lists the illustration/image that uses a sheath
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SPARROWS – HERE TODAY, GONE TOMORROW?
- Option d) Image (iv) is correct.
- Sheath - it is a cover, given to the handles of blade, sword of knives.
- Like for egg sheaths of the sparrows, it means the cover on a living tissue, here the inside of an egg being covered by the outside white shell.
- This is why option d is correct.
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The option (iv) from the following uses a sheath.
Explanation:
The image of the options given in the question is attached below.
- Sheath is a cover which closely fits the knife or sword. It is used to carry the sharp objects without any harm.
- It is also used to refer the fat tissues that are just below the egg shells. The yolk is protected by sheath. When the pesticide infect sheath, then the eggs die.
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