Excretion in Animals Multiple Choice Questions (MCQ) PDF Download

MCQ 1: The tubular system opens to the exterior through several

1. nephridiophore
2. nephrostome
3. protonephridium
4. protophrostome

MCQ 2: The suspended tubular structures which collect excretory products from hemolymph are called

1. protonephridium
2. metanephridium
3. malpighian tubules
4. exoluticus tubules

MCQ 3: The network of closed tubules without internal openings are called

1. protonephridium
2. metanephridium
3. malpighian tubules
4. exoluticus tubules

MCQ 4: In cockroach, the rectum reabsorbs maximum salts and water hence excretory products are in the form of

1. urea
2. uric acid
3. ammonia
4. urine

MCQ 5: In insects, there is no structural or functional relationship between excretory or digestive system except in

1. earthworm
2. cockroach
3. lizards
4. ants