NEET Biology question
Read the following statements about cockroach. (i) In male cockroach, a characteristic mushroom shaped gland is present in the 6th-7th abdominal segments which functions as an accessory reproductive gland. (ii) Cockroach is uricotelic. (iii) The fat body and uricose glands are glandular in function. (iv) Blood from sinuses enter heart through ostia and is pumped anteriorly to sinuses again. Which of the above statements are correct?
Solution
Statement (i) is correct — the mushroom-shaped gland in the 6th-7th abdominal segments of the male cockroach functions as an accessory reproductive gland. Statement (ii) is correct — the cockroach excretes nitrogenous waste chiefly as uric acid (uricotelism). Statement (iv) is correct — in the open circulatory system,
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