Weeds and infestation — task. Biology CBSE Live product, Class 9 (2025-26).

Choose the correct answer:

1. Amaranthus is an example of a __________.

weed
crop that is used in green manure
insect pests
none of the above

2. Aphids is a _______.

insect pest
weed
crop disease
none of the abobve

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