The answers of the following are: (a) Operculum – (viii) Osteichthyes (b) Parapodia – (v) Annelida (c) Scales – (iv) Reptilia (d) Comb plates – (i) Ctenophora (e) Radula – (ii) Mollusca (f) Hairs – (vii) Mammalia (g) Choanocytes – (iii) Porifera (h) Gill slits – (vi) Cyclostomata and Chondrichthyes

Match the following: (a) Operculum (b) Parapodia (c) Scales (d) Comb plates (e) Radula (f) Hairs (g) Choanocytes (h) Gill slits?

Question:

Match the following:

Column I	Column II
(a) Operculum	(i) Ctenophora
(b) Parapodia	(ii) Mollusca
(c) Scales	(iii) Porifera
(d) Comb plates	(iv) Reptilia
(e) Radula	(v) Annelida
(f) Hairs	(vi) Cyclostomata and Chondrichthyes
(g) Choanocytes	(vii) Mammalia
(h) Gill slits	(viii) Osteichthyes

Answer:

Column A	Column B
(a) Operculum	(viii) Osteichthyes
(b) Parapodia	(v) Annelida
(c) Scales	(iv) Reptilia
(d) Comb plates	(i) Ctenophora
(e) Radula	(ii) Mollusca
(f) Hairs	(vii) Mammalia
(g) Choanocytes	(iii) Porifera
(h) Gill slits	(vi) Cyclostomata and Chondrichthyes

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Question:

Answer:

More NCERT Questions

Prepare a list of some animals that are found parasitic on human beings?

Segmentation in the body is first observed in which of the following: (a) Platyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda

Could the number of eggs or young ones produced by an oviparous and viviparous mother be equal? Why?

What are the modifications that are observed in birds that help them fly?

How important is the presence of air bladder in Pisces (Fish)?

All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement?

Water vascular system is the characteristic of which group of the following: (a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata?

What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?

What are the peculiar features that you find in parasitic platyhelminthes?

What is the difference between direct and indirect development?

Distinguish between intracellular and extracellular digestion?

How useful is the study of the nature of body cavity and coelom in the classification of animals?

If you are given a specimen, what are the steps that you would follow to classify it?

What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

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