Class 11 Biology - Chapter Animal Kingdom NCERT Solutions | Water vascular system is the characteris
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 8: water vascular system is the characteristic of whi....
Question 8
Water vascular system is the characteristic of which group of the following:
Water vascular system is the characteristic of which group of the following:
(a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata
Answer
Water vascular system is a characteristic feature of the phylum Echinodermata. It consists of an array of radiating channels, tube feet, and madreporite. The water vascular system helps in locomotion, food capturing, and respiration.
More Questions From Class 11 Biology - Chapter Animal Kingdom
- Q:- What is the difference between direct and indirect development?
- 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:- How useful is the study of the nature of body cavity and coelom in the classification of animals?
- Q:- What are the modifications that are observed in birds that help them fly?
Popular Questions of Class 11 Biology
- Q:- Why are living organisms classified?
- Q:- Discuss how classification systems have undergone several changes over a period of time?
- Q:- What is the basis of classification of algae?
- Q:- What is meant by modification of root? What type of modification of root is found in the (a) Banyan tree (b) Turnip (c) Mangrove trees
- Q:- State the location and function of different types of meristem.
- Q:- Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae are found in earthworm? (iii) What is the position of ovaries in the cockroach? (iv) How many segments are present in the abdomen of cockroach? (v) Where do you find malphigian tubules?
- Q:-
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell. - Q:- What are macromolecules? Give examples.
- Q:- What is the average cell cycle span for a mammalian cell?
- Q:- What are the factors affecting the rate of diffusion?
Recently Viewed Questions of Class 11 Biology
- Q:- State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria
- Q:- Discuss the factors responsible for ascent of xylem sap in plants.
- Q:- Terrestrial animals are generally either ureotelic or uricotelic, not ammonotelic, why?
- Q:- What are the factors affecting the rate of diffusion?
- Q:- Define and understand the following terms:
(i) Phylum
(ii) Class
(iii) Family
(iv) Order
(v) Genus - Q:- What are the characteristic features of Euglenoids?
- Q:- Draw a labelled diagram of the reproductive organs of an earthworm.
- Q:- Differentiate between:
(a) Myelinated and non-myelinated axons
(b) Dendrites and axons
(c) Rods and cones
(d) Thalamus and Hypothalamus
(e) Cerebrum and Cerebellum - Q:- What causes the opening and closing of guard cells of stomata during transpiration?
- Q:- Given below is the scientific name of Mango. Identify the correctly written name. Mangifera Indica Mangifera indica
5 Comment(s) on this Question
Shalu
2019-11-09 07:05:49
I think answer is (a) porifera
Piya Negi
2019-09-26 13:08:07
Nice answer and I will easy understand thank u so much.
Alal uddin
2019-08-20 06:50:40
Thank you so much for given this questions answers
Ayush Tiwari
2018-09-14 09:43:09
nice answer
Adiptya Kumar Nath
2018-07-21 19:05:16
Best answer given
- All Chapters Of Class 11 Biology
- All Subjects Of Class 11