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Q. No. Match List - I with List - II
List-I
List-II
(A)
Contractile vacuole
(I)
Asterias
(B)
Water vascular system
(II)
Amoeba
(C)
Canal system
(III)
Spongilla
(D)
Flame cells
(IV)
Taenia
Choose the correct answer from the options given below:
Options:
(A)
(B)
(C)
(D)
1.
(IV)
(II)
(I)
(III)
2.
(I)
(III)
(II)
(IV)
3.
(III)
(II)
(I)
(IV)
4.
(II)
(I)
(III)
(IV)
Subtopic: Phylum Porifera | Phylum Ctenophora | Phylum Echinodermata |
86%
Level 1: 80%+
NEET - 2023
Hints
Select the correct statements:
Choose the correct answer from the options given below:
| A: | Platyhelminthes are triploblastic, pseudocoelomate and bilaterally symmetrical organisms. |
| B: | Ctenophores reproduce only sexually and fertilization is external. |
| C: | In tapeworm, fertilization is internal but sexes are not separate. |
| D: | Ctenophores are exclusively marine, diploblastic and bioluminescent organisms. |
| E: | In sponges, fertilization is external and development is direct. |
Choose the correct answer from the options given below:
| 1. | (A), (C) and (D) only | 2. | (B), (C) and (D) only |
| 3. | (A) and (E) only | 4. | (B) and (D) only |
Subtopic: Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora | Phylum Platyhelminthes |
67%
Level 2: 60%+
NEET - 2023
Hints
Consider the given two statements:
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | All members of Animalia are multicellular. |
| Statement II: | All members of Animalia have at least a tissue grade of organisation. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Basis of Classification |
73%
Level 2: 60%+
Please attempt this question first.
Hints
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Identify the option where all the given animals belong to the same Phylum?
1. Portuguese man-of-war, Sea anemone, Sea-pen and Sea-fan
2. Scypha, Fresh water sponge, Bath sponge and Brain Coral
3. Roundworm, Filaria worm, Hookworm and Tapeworm
4. King crab, Mosquito, Silkworm and Blood sucking leech
1. Portuguese man-of-war, Sea anemone, Sea-pen and Sea-fan
2. Scypha, Fresh water sponge, Bath sponge and Brain Coral
3. Roundworm, Filaria worm, Hookworm and Tapeworm
4. King crab, Mosquito, Silkworm and Blood sucking leech
Subtopic: Phylum Coelenterata |
90%
Level 1: 80%+
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The characteristics of osteichthyes include:
1. Only I and II
2. Only II and III
3. Only I and III
4. I, II and III
| I: | Four pairs of gills covered by an operculum on each side |
| II: | Skin covered with placoid scales |
| III: | Regulation of buoyancy by an air bladder |
2. Only II and III
3. Only I and III
4. I, II and III
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Osteichthyes |
73%
Level 2: 60%+
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Hippocampus [sea horse] is a:
| 1. | marine bony fish |
| 2. | fresh water bony fish |
| 3. | cartilaginous fish |
| 4. | limbless amphibian |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Osteichthyes |
80%
Level 1: 80%+
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Consider the given statements:
The number of correct statements is:
| I: | Annelids are metamerically segmented animals with a true coelom. |
| II: | Arthropods are the most abundant group of animals characterised by the presence of jointed appendages. |
| III: | Molluscs have a soft body surrounded by an external calcareous shell. |
| IV: | Echinoderms possess a spiny skin. |
| V: | Hemichordates are fresh water animals. |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
Subtopic: Phylum Annelida | Phylum Arthropoda | Phylum Mollusca | Phylum Echinodermata | Phylum Hemichordata |
73%
Level 2: 60%+
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Most vertebrates:
| I: | possess a jaw |
| II: | have a cartilaginous endoskeleton |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Phylum Chordata |
61%
Level 2: 60%+
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Study the Assertion statement followed by the Reason statement given below:
| Assertion (A): | The digestive system in Platyhelminthes is called incomplete. |
| Reason (R): | Platyhelminthes are mostly endoparasites found in animals including human beings. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Phylum Platyhelminthes |
68%
Level 2: 60%+
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Aschelminthes are:
| 1. | radially symmetrical, triploblastic and pseudocoelomate animals. |
| 2. | bilaterally symmetrical, triploblastic and acoelomate animals. |
| 3. | bilaterally symmetrical, triploblastic and pseudocoelomate animals. |
| 4. | radially symmetrical, diploblastic and eucoelomate animals. |
Subtopic: Phylum Aschelminthes |
88%
Level 1: 80%+
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