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प्रश्न
Observe the following figure and answer the following.
- Due to which common characteristic the animals shown in the figure belong to the same phylum?
- The exoskeleton of these animals is made up of which chemical?
- Give another two examples of this phylum.
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उत्तर
- The animals shown in the figure belong to the same phylum (Arthropoda) due to the following common characteristics:
i. They have jointed appendages, which is the characteristic feature of members belonging to phylum Arthropoda.
ii. Their body is triploblastic, eucoelomate, bilaterally symmetrical, segmented and divisible into head, thorax and abdomen.
iii. Their exoskeleton is chitinous. - The exoskeleton of these animals is made up of chitin.
- Crab, spider, millipede, centipede, cockroach, honey bee, etc.
APPEARS IN
संबंधित प्रश्न
To which phylum does Cockroach belong? Justify your answer with scientific reasons.
Sketch, label and classify hydra.
Observe the following diagram. Write the answers of the following questions.
- To which phylum does the animal included in the diagram belong?
- What is the exoskeleton made up?
- What is the symmetry?
Which phylum has the characteristic phenomenon ‘jointed appendages’?
Answer the questions based on the given paragraph.
Lady Bug Beetle
Lady bug beetles are friends of farmers as they destroy harmful insects. It is a predatory insect, which lives on biting worm, white fly worm, white moth, flower insects and bread worms. It acts as a natural insecticide for crops like maize, jawar, cotton, sugarcane, cereals, vegetables, fruit trees, etc. These are attractive red or yellow or grey coloured insects. Many species of this insect are found in our farms. The lifecycle of this insect follows eggs, larvae, cocoon and moth stages. The eggs are found in flutter. The larvae are grey in colour. Larvae and adults both live on sucking insects.
- How does the lady bug beetle live?
- Of which colour the lady bug beetles are?
- State the stages of its lifecycle.
- How does it help the farmers?
Give an account on phylum Arthropoda.
Which among the following have an open circulatory system?
- Arthropoda
- Mollusca
- Annelida
- Coelenterata
Malphigian tubules also called as ______.
Assertion (A): The Arthropods have an open circulatory system.
Reason (R): The cells and tissues are bathed in blood.
One of the representatives of phylum Arthropoda is
Excretory organs of arthropods are ______.
Which one of the following statements is incorrect?
Give an example of the following:
An oviparous mammal
Differentiate between oviparous and viviparous characteristic
Give a scientific reason.
Cockroach belongs to phylum Arthropoda.
Example of phylum Arthropoda is ______.
