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Q: Red worms have a structure named ––––– which helps them in grinding their food.
  • A. Gizzard
  • B. Intestine
  • C. Crop
  • D. Esophagus
Correct Answer: Option A - Red worms have a structure named Gizzard which helps them in grinding their food. Gizzards are a muscular chamber where mechanical digestion occurs the food is pulverised with the aid of small bits of sand and gravel. The more availability of tiny rough particles for grinding up the food - the better quality of worm castings for plants.
A. Red worms have a structure named Gizzard which helps them in grinding their food. Gizzards are a muscular chamber where mechanical digestion occurs the food is pulverised with the aid of small bits of sand and gravel. The more availability of tiny rough particles for grinding up the food - the better quality of worm castings for plants.

Explanations:

Red worms have a structure named Gizzard which helps them in grinding their food. Gizzards are a muscular chamber where mechanical digestion occurs the food is pulverised with the aid of small bits of sand and gravel. The more availability of tiny rough particles for grinding up the food - the better quality of worm castings for plants.