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प्रश्न
Which of the following animals’ body shows bilateral symmetry?
विकल्प
Star fish
Jelly fish
Earthworm
Sponge
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उत्तर
Earthworm
Explanation:
Bilateral symmetry occurs when an imaginary plane intersecting a single axis may bisect a body into two equal parts. Only earthworms exhibit such symmetry. The sponge exhibits asymmetrical body structure, whereas both the starfish and jellyfish have radial symmetry.
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संबंधित प्रश्न
Re-write the statement by selecting the appropriate option.
Due to which similar characteristic honey bee and cockroach are included in the same phylum?
___________ animal is called a friend of farmers.
Find an odd one out.
Give scientific reason.
Earthworm is said to be a farmer’s friend.
In which phylum, the animals have setae or parapodia for locomotion?
Give an account on phylum Annelida.
One of the following is not an Annelid
Name the following:
A phylum that has hermaphrodite animals.
Metamerism is the characteristic of
Triploblastic, metamerically segmented and coelomate animals are found in
Match List - I with List - II.
| List I | List II | ||
| (a) | Metamerism | (i) | Coelenterata |
| (b) | Canal system | (ii) | Ctenophora |
| (c) | Comb plates | (iii) | Annelida |
| (d) | Cnidoblasts | (iv) | Porifera |
Choose the correct answer from the options given below.
Provide appropriate technical term in the space provided.
Lateral appendages in aquatic annelids ______.
Give a scientific reason.
Why is earthworm called farmer's friend?
