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प्रश्न
Which of the following is a crustacean?
विकल्प
Prawn
Snail
Sea anemone
Hydra
उत्तर
Prawn
संबंधित प्रश्न
If you are given a specimen, what are the steps that you would follow to classify it?
Distinguish between intracellular and extracellular digestion.
What is the difference between direct and indirect development?
What is the exact difference between grades of organization and symmetry? Explain with examples.
Label the body organization of human in the following figure:
Draw a neat and labelled diagram.
Jellyfish
The largest division of the living world is ______.
Species is the ______ unit of classification.
The symmetry exhibited in cnidarians is ______.
In Pheretima locomotion occurs with the help of ______.
______ was a greek philosopher who classified animals.
Which organism is called Friends of farmers? Why?
In which of the following the notochord is present only in embryonic stages?
Match the following list of animals with their level of organisation.
| Division of Labour | Animal |
| Column I | Column II |
| A. Organ level | i. Pheretima |
| B. Cellular aggregate level | ii. Fasciola |
| C. Tissue level | ii. Spongilla |
| D. Organ system level | iv. Obelia |
Choose the correct match showing division of labour with animal example.
Complete the paragraph using proper words:
(Asymmetrical, Paramecium, Equal, imaginary, central, insects, rats, bird, three, unequal)
If body of any animal is cut through ______ axis of body, it may or may not produce two equal halves. Depending upon this property, there are different types of animal bodies. In the case of ______ body, there is no any such imaginary axis of the body through which we can get two equal halves. For example Amoeba, ______ some sponges. In radial symmetry type of body, if imaginary cut passes through central axis but any plane of body, it gives two ______ halves. For example Starfish. In case of this animal, there are five different planes passing through ______ axis of body through which we can get two equal halves. In Bilateral symmetry type of body, there is only one such imaginary axis of body through which we can get two equal halves. For example: ______ fishes, frog, birds, human, etc.
