1
Question
Match the above given organisms I, II, III and IV with the given characteristics (a, b, c and d) and select the correct option.
a. They have ambulacral system.
b. They have nephridia for excretion.
c. They have stinging cells on their tentacles.
d. They have cellular level of organisation
I
II
III
IV
(i)
d
a
b
c
(ii)
c
d
a
b
(iii)
d
c
b
a
(iv)
a
b
d
c
Match the above given organisms I, II, III and IV with the given characteristics (a, b, c and d) and select the correct option.
a. They have ambulacral system.
b. They have nephridia for excretion.
c. They have stinging cells on their tentacles.
d. They have cellular level of organisation
| I | II | III | IV | |
| (i) | d | a | b | c |
| (ii) | c | d | a | b |
| (iii) | d | c | b | a |
| (iv) | a | b | d | c |
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Solution
The correct option is A (iii)
- Sponge has cellular level of organisation.
- Stinging cells are present in Sea anemone.
- Nephridia is the excretory organ of earthworm.
- Ambylacral system is present in echonoderms(e.g., Sea cucumber).
- Sponge has cellular level of organisation.
- Stinging cells are present in Sea anemone.
- Nephridia is the excretory organ of earthworm.
- Ambylacral system is present in echonoderms(e.g., Sea cucumber).
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