Question

Pesticides infect the egg sheaths of the sparrows. Based on your understanding of ‘sheath’, choose
an option that lists which of the following uses a sheath.

Answer 1

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.

Answer 2

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.