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Q. No.Select the correct statements with reference to chordates.
A:
Presence of a mid-dorsal, solid and double nerve cord.
B:
Presence of closed circulatory system.
C:
Presence of paired pharyngeal gill slits
D:
Presence of dorsal heart.
E:
Triploblastic pseudocoelomate animals.
Choose the correct answer from the options given below:
1.
C, D and E only
2.
A, C and D only
3.
B and C only
4.
B, D and E only
Subtopic: Phylum Chordata |
81%
From NCERT
NEET - 2023
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The unique mammalian characteristics are:
1. pinna, monocondylic skull and mammary glands
2. hairs, tympanic membrane and mammary glands
3. hairs, pinna and mammary glands
4. hairs, pinna and indirect development
1. pinna, monocondylic skull and mammary glands
2. hairs, tympanic membrane and mammary glands
3. hairs, pinna and mammary glands
4. hairs, pinna and indirect development
Subtopic: Study of Aves & Mammals |
79%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| 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 & Platyhelminthes | Phylum Echinodermata |
85%
From NCERT
NEET - 2023
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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 & Platyhelminthes |
65%
From NCERT
NEET - 2023
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Consider the given two statements:
Statement I: All members of Animalia are multicellular.
Statement II: All members of Animalia have at least a tissue grade of organisation.
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.
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
Subtopic: Basis of Classification |
73%
From NCERT
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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 |
89%
From NCERT
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The characteristics of Osteichthyes include:
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
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
1. Only I and II
2. Only II and III
3. Only I and III
4. I, II and III
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
72%
From NCERT
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Hippocampus [sea horse] is a:
1. marine bony fish
2. fresh water bony fish
3. cartilaginous fish
4. limbless amphibian
1. marine bony fish
2. fresh water bony fish
3. cartilaginous fish
4. limbless amphibian
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
80%
From NCERT
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Consider the given statements:
I: Annelids are metamerically segmented animals with a true coelom.
II: The arthropods are the most abundant group of animals characterised by the presence of jointed appendages.
III: The molluscs have a soft body surrounded by an external calcareous shell.
IV: The echinoderms possess a spiny skin.
V: The hemichordates are fresh water animals.
The number of correct statements is:
1. 2
2. 3
3. 4
4. 5
I: Annelids are metamerically segmented animals with a true coelom.
II: The arthropods are the most abundant group of animals characterised by the presence of jointed appendages.
III: The molluscs have a soft body surrounded by an external calcareous shell.
IV: The echinoderms possess a spiny skin.
V: The hemichordates are fresh water animals.
The number of correct statements is:
1. 2
2. 3
3. 4
4. 5
Subtopic: Phylum Annelida | Phylum Arthropoda | Phylum Mollusca | Phylum Echinodermata | Phylum Hemichordata |
71%
From NCERT
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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
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 |
60%
From NCERT
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