Which one of the following statements is incorrect?

In cockroaches and prawns excretion of waste material occurs through malpighian tubules

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In ctenophores, locomotion is mediated by comb plates

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In Fasciola, flame cells take part in excretion

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Earthworms are hermaphrodites and yet cross fertilization take place among them

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Solution

The correct option is A
In cockroaches and prawns excretion of waste material occurs through malpighian tubules

In Prawns, Excretion occurs through green glands.

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Similar questions

Which one of the following statements is incorrect?

(a) In cockroaches and prawns excretion of waste material occurs through Malpighian tubules.

(b) In ctenophores, locomotion is mediated by comb plates.

(d) Earthworms are hermaphrodites and yet cross fertilisation take place among them.

Q. Assertion :Excretion in cockroach occurs by Malpighian tubules. Reason: Each Malpighian tubule is lined by non-ciliated columnar cells.

Question 8

Which of the following is an incorrect statement about excretion?
(a) Excretion takes place in plants.
(b) Excretion takes place both in plants and animals.
(c) Excretion is the process of getting rid of excess water only.
(d) Secretion is one method of excretion.

Q. Which of the following statements are correct?
A. Tapeworms are hermaphrodites and undergo self-fertilization.
B. Earthworms are hermaphrodites and undergo self-fertilization.
C. Tapeworms are hermaphrodites but undergo cross-fertilization.
D. Earthworms are hermaphrodites but undergo cross-fertilization.

Q. Excretion of wastes produced during photosynthesis in plants takes place through

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Which one of the following statements is incorrect?

The correct option is A In cockroaches and prawns excretion of waste material occurs through malpighian tubules In Prawns, Excretion occurs through green glands.

The correct option is A
In cockroaches and prawns excretion of waste material occurs through malpighian tubules

In Prawns, Excretion occurs through green glands.