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- #National Eligibility Cum Entrance Test - 2023
- #Structural Organisation in Animals and Plants
- #Biology
- #Medical
- #National Eligibility Cum Entrance Test
- #Class 11
In cockroach, excretion is brought about by.
A. Phallic gland B. Urecose gland
C. Nephrocytes D. Fat body
E. Collaterial glands
Choose the correct answer from the options given below:
A and E only
A, B and E only
B, C and D only
B and D only
Answers (1)
he correct answer is Option 3) B, C, and D only.
B. Urecose gland: The urecose gland is involved in excretion in cockroaches. It is a specialized gland located in the posterior part of the alimentary canal, and it helps eliminate metabolic waste products, including uric acid.
C. Nephrocytes: Nephrocytes, also known as "green glands," are excretory organs found in many invertebrates. However, they are not present in cockroaches. Nephrocytes are commonly found in crustaceans, such as crabs and lobsters, and are responsible for excretion.
D. Fat body: The fat body in cockroaches is involved in various metabolic functions but is not directly responsible for excretion.
For incorrect options,
A. Phallic gland: The phallic gland in male cockroaches is not involved in excretion. It is a part of the reproductive system and is responsible for producing and transferring the spermatophore during mating.
E. Collaterial glands: Collaterial glands are not involved in excretion in cockroaches. They are associated with the reproductive system and are responsible for producing and storing spermatozoa.
Based on the information above, the correct answer is Option 3) B, C, and D only.
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