Q. No.Consider following features:
A: Organ system level of organisation
B: Bilateral symmetry
C: True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics.
1. Annelida, Mollusca and Chordata
2. Annelida, Arthropoda and Chordata
3. Annelida, Arthropoda and Mollusca
4. Arthropoda, Mollusca and Chordata
Subtopic: Phylum Annelida | Phylum Arthropoda | Phylum Chordata |
85%
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The most successful [largest phylum] in the animal kingdom is:
| 1. | Phylum Arthropoda | 2. | Phylum Chordata |
| 3. | Phylum Mollusca | 4. | Phylum Porifera |
Subtopic: Phylum Arthropoda |
92%
From NCERT
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Over two-thirds of all named species on earth are:
1. Molluscs
2. Arthropods
3. Chordates
4. Sponges
1. Molluscs
2. Arthropods
3. Chordates
4. Sponges
Subtopic: Phylum Arthropoda |
95%
From NCERT
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Which of the following statements is incorrect about the phylum Arthropoda?
| 1. | Arthropods have an open circulatory system. |
| 2. | Arthropods exhibit bilateral symmetry. |
| 3. | All arthropods possess jointed appendages. |
| 4. | Arthropods possess a segmented body plan with a pseudocoelom. |
Subtopic: Phylum Arthropoda |
95%
From NCERT
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Insects belong to the phylum Arthropoda. Their exoskeleton is primarily composed of:
1. Calcium carbonate
2. Chitin
3. Silica
4. Keratin
1. Calcium carbonate
2. Chitin
3. Silica
4. Keratin
Subtopic: Phylum Arthropoda |
94%
From NCERT
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Identify the correct statements regarding arthropods:
| I: | They are bilaterally symmetrical, triploblastic, non-segmented and pseudocoelomate animals. |
| II: | Arthropoda is the largest phylum of Animalia and includes more than 90 % of all species on the earth that are named so far. |
| III: | Insects are arthropods with body consisting of head, thorax and abdomen. |
| 1. | Only I | 2. | Only I and II |
| 3. | Only III | 4. | Only II and III |
Subtopic: Phylum Arthropoda |
59%
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How many of the given statements regarding arthropods in general are true?
1. 4
2. 5
3. 6
4. 7
| I: | Body of arthropods is covered by chitinous exoskeleton. |
| II: | They have jointed appendages (arthros-joint, poda-appendages). |
| III: | Circulatory system is of open type. |
| IV: | Excretion takes place through malpighian tubules in insects. |
| V: | They are mostly dioecious and fertilisation is usually internal. |
| VI: | They are mostly oviparous. |
2. 5
3. 6
4. 7
Subtopic: Phylum Arthropoda |
68%
From NCERT
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Which of the following is not an Arthropod characteristic?
| 1. | Jointed appendages | 2. | Periodic molting |
| 3. | Closed circulation | 4. | Articulated exoskeleton |
Subtopic: Phylum Arthropoda |
81%
From NCERT
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Statocysts, present in some animals, help directly in:
1. Locomotion
2. Respiration
3. Feeding
4. Balancing
1. Locomotion
2. Respiration
3. Feeding
4. Balancing
Subtopic: Phylum Arthropoda |
91%
From NCERT
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Which of the following are not used in respiration in arthropoda?
1. Gills
2. Book lungs
3. Tracheal system
4. Malpighian tubules
1. Gills
2. Book lungs
3. Tracheal system
4. Malpighian tubules
Subtopic: Phylum Arthropoda |
66%
From NCERT
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