Class 11 Biology - Chapter Animal Kingdom NCERT Solutions | Segmentation in the body is first observ
Welcome to the NCERT Solutions for Class 11th Biology - Chapter Animal Kingdom. This page offers a step-by-step solution to the specific question from Excercise 1 , Question 13: segmentation in the body is first observed in whic....
Question 13
Segmentation in the body is first observed in which of the following:
Segmentation in the body is first observed in which of the following:
(a) Platyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda
Answer
The body segmentation first appeared in the phylum, Annelida (annulus meaning little ring).
More Questions From Class 11 Biology - Chapter Animal Kingdom
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- Q:- “All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement.
- Q:- What are the peculiar features that you find in parasitic platyhelminthes?
- Q:- How important is the presence of air bladder in Pisces?
- Q:- Distinguish between intracellular and extracellular digestion?
- Q:- What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
- Q:- Prepare a list of some animals that are found parasitic on human beings.
- Q:- Match the following:
(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 - Q:- Water vascular system is the characteristic of which group of the following:
(a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata - Q:- How useful is the study of the nature of body cavity and coelom in the classification of animals?
Popular Questions of Class 11 Biology
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- Q:-
Which of the following is not correct?
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(b) Schleiden and Schwann formulated the cell theory.
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Recently Viewed Questions of Class 11 Biology
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Column I Column II
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5 Comment(s) on this Question
Akshi
2019-10-11 22:13:20
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Arsh khan
2019-08-20 19:18:24
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Ghanashyambora
2018-09-21 14:29:59
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2016-07-07 19:58:16
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