The botanical name for onion and garlic can be written as
Allium cepa and Allium sativum
The correct option is D:
Explanation for the correct option:
Explanation for the incorrect options:
Options A, B, and C:
Asphodelus tenuifolius is the botanical name for the field weed which is commonly found in wheat and chickpea fields.
Final answer: The botanical name for onion and garlic can be written as Allium cepa and Allium sativum.