Structural Orga...

Match column I with column II and select the correct option from the codes given below:

Column I (Parts of alimentary canal of earthworm)	Column II (Respective segments)
(A) Buccal cavity	(i) 1-3
(B) Pharynx	(ii) 3-4
(C) Oesophagus	(iii) 5-7
(D) Gizzard	(iv) 8-9
(E) Stomach	(v) 9-14
(F) Intestine	(vi) 15 to last
(G) Typhlosole	(vii) 26-35

In the given diagram of a leg of cockroach, parts have been indicated by alphabets. Select the answer in which these alphabets have been correctly matched with the parts which they indicate.

Which of the following figures shows the mandibles of cockroach?

In Pheretima, there are red coloured round bodies in 4th, 5th and 6th segments above the alimentary canal. They are believed to be involved in

In the mouth parts of a cockroach, the labium forms _______ (i) while _____ (ii) acts as a tongue.

Which of the following statements is incorrect about the frog?
(i) Eyes are bulged out and covered by a nicitating membrane that protects them while in water.
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.
(iii) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.
(iv) Feet have webbed digits that help in swimming.
(v) Frogs exhibit sexual dimorphism

The hind brain in frog consists of