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Q. No.Given below is a figure showing the worms which are the most common cause of helminthic infestation in the world.
1. A is male Ascaris and B is female Ascaris
2. A is female Ascaris and B is male Ascaris
3. A is male Wuchereria and B is female Wuchereria
4. A is female Wuchereria and B is male Wuchereria
Subtopic: Phylum Aschelminthes |
88%
From NCERT
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Given below is the body plan of a hypothetical generalized mollusc. Consider the given two statements.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| A: | I is found in all the molluscs. |
| B: | II is a cavity used for egestion, excretion and respiration. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Phylum Mollusca |
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In the given diagram of the body plan of an insect, identify the parts A-F:
| A | B | C | D | E | F | |
| 1. | Blood vessel | Nerve cord | Trachea | Spiracles | Crop | Hearts |
| 2. | Blood vessel | Nerve cord | Trachea | Spiracles | Oesophagus | Hearts |
| 3. | Nerve cord | Blood vessel | Trachea | Spiracles | Crop | Ostia |
| 4. | Nerve cord | Blood vessel | Stomo- chord |
Ostia | Oesophagus | Spiracles |
Subtopic: Phylum Arthropoda |
62%
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Given below is a diagram showing the water vascular system of an Echinoderm.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | It is a hydraulic system used by echinoderms for locomotion, food and waste transportation, and respiration. |
| II: | The system is composed of canals connecting numerous tube feet. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Phylum Echinodermata |
82%
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Identify the organism seen in the given figure:
1. Balanoglossus
2. Petromyzon
3. Amphioxus
4. Salpa
1. Balanoglossus
2. Petromyzon
3. Amphioxus
4. Salpa
Subtopic: Phylum Hemichordata |
92%
From NCERT
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The organism shown in the given figure is representative of the subphylum Cephalochordata. This organism is:
| 1. Ascidia | 2. Amphioxus |
| 3. Petromyzon | 4. Exocoetus |
Subtopic: Phylum Chordata |
72%
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The figure shows the mouth of a chordate. It can easily be seen that:
| I. The mouth is circular | II. Jaw is absent. |
This chordate can be:
| 1. Ascidia | 2. Amphioxus |
| 3. Petromyzon | 4. Exocoetus |
Subtopic: Phylum Chordata |
82%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A. | Spongilla | P. | Sea-fan |
| B. | Euspongia | Q. | Brain coral |
| C. | Gorgonia | R. | Fresh Water sponge |
| D. | Meandrina | S. | Sea-pen |
| E. | Pennatula | T. | Bath sponge |
| A | B | C | D | E | |
| 1. | T | R | P | Q | S |
| 2. | R | T | P | Q | S |
| 3. | T | R | Q | S | P |
| 4. | R | T | S | P | Q |
Subtopic: Phylum Porifera | Phylum Coelenterata |
80%
From NCERT
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Identify the correct statements:
I: Body is segmented in both Annelida and Chordata.
II: Blood vascular system is closed in both Annelida and Arthropoda.
III: Adults exhibit radial symmetry in both Annelida and Echinodermata.
IV: Triploblastic organization is seen in both Annelida and Platyhelminthes.
1. I and II only
2. II and III only
3. I and IV only
4. III and IV only
I: Body is segmented in both Annelida and Chordata.
II: Blood vascular system is closed in both Annelida and Arthropoda.
III: Adults exhibit radial symmetry in both Annelida and Echinodermata.
IV: Triploblastic organization is seen in both Annelida and Platyhelminthes.
1. I and II only
2. II and III only
3. I and IV only
4. III and IV only
Subtopic: Phylum Ctenophora & Platyhelminthes | Phylum Annelida | Phylum Arthropoda | Phylum Echinodermata | Phylum Chordata |
77%
From NCERT
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Complete alimentary canal, an excretory tube and a pseudocoelom will be seen in animals belonging to the phylum:
| 1. | Cnidaria | 2. | Aschelminthes |
| 3. | Hemichordata | 4. | Echinodermata |
Subtopic: Phylum Aschelminthes |
94%
From NCERT
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