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Q. No.Given below are two statements:
I:
Amphibians and reptiles have a 3-chambered heart with two atria and a single ventricle, and are oviparous in nature
II:
Crocodiles possess a 4 chambered heart with two ventricles and two atria and are viviparous in nature
Select the most appropriate option:
1. I is correct but II is incorrect.
2. I is incorrect but II is correct.
3. Both I and II are correct.
4. Both I and II are incorrect.
Select the most appropriate option:
1. I is correct but II is incorrect.
2. I is incorrect but II is correct.
3. Both I and II are correct.
4. Both I and II are incorrect.
Subtopic: Study of Amphibians | Study of Reptilia |
57%
From NCERT
NEET - 2022
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Which one of the following features are not true for chordates?
(a) Heart is dorsal.
(b) Pharynx is perforated by gill slits.
(c) Central nervous system is ventral, solid and single.
(d) Post-anal tail is present.
(e) Notochord is present.
Choose the most appropriate answer from the option give below:
| 1. | (e) only | 2. | (a), (d) and (c) only |
| 3. | (b) and (c) only | 4. | (a) and (c) only |
Subtopic: Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes |
70%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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What adaptation of bony fish allows them to detect and orient themselves in the upstream direction?
1. The swim bladder
2. Lobed fins
3. Operculum
4. Lateral line system
1. The swim bladder
2. Lobed fins
3. Operculum
4. Lateral line system
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
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A mantle is
1. Present only in bivalves molluscs
2. A structure that act as a lung or contain gills
3. A rasping tongue like organ is molluscs
4. Necessary for molluscs to be motile
1. Present only in bivalves molluscs
2. A structure that act as a lung or contain gills
3. A rasping tongue like organ is molluscs
4. Necessary for molluscs to be motile
Subtopic: Phylum Mollusca |
60%
From NCERT
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Which of the following character is not applicable for reptiles?
1. Mostly terrestrial
2. Body is covered with dry and cornfield skin
3. Paired limbs are present
4. Absence of tympanum.
1. Mostly terrestrial
2. Body is covered with dry and cornfield skin
3. Paired limbs are present
4. Absence of tympanum.
Subtopic: Study of Reptilia |
76%
From NCERT
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Some characteristic of animals are given below-
i. Notochord is present in the embryonic as well as adult form
ii. Animals have closed or open circulatory system
iii. Animals show bilateral symmetry
iv. Animals are always triplobastic and coelomates
The characteristic that apply to chordates are
1. (i), (ii), (iii) and (iv)
2. (i), (ii) and (iii)
3. (ii), (iii) and (iv)
4. Only (iii) and (iv)
i. Notochord is present in the embryonic as well as adult form
ii. Animals have closed or open circulatory system
iii. Animals show bilateral symmetry
iv. Animals are always triplobastic and coelomates
The characteristic that apply to chordates are
1. (i), (ii), (iii) and (iv)
2. (i), (ii) and (iii)
3. (ii), (iii) and (iv)
4. Only (iii) and (iv)
Subtopic: Phylum Chordata |
From NCERT
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In the following questions a statement of assertion (A) is followed by
a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
A. Reptiles are similar to Aves in the term of development
R. Both are strictly oviparous and lay cleiodic eggs.
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
A. Reptiles are similar to Aves in the term of development
R. Both are strictly oviparous and lay cleiodic eggs.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Study of Reptilia | Study of Aves & Mammals |
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A:
All the vertebrates are essentially also a chordates.
R: In an the chordate notochord appear first and further it is replaced with vertebral column.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: In an the chordate notochord appear first and further it is replaced with vertebral column.
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Phylum Chordata | Study of Aves & Mammals |
From NCERT
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A:
All the mammals are endotherm.
R: Mammals possess four chambered heart and respire through lungs
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
R: Mammals possess four chambered heart and respire through lungs
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
73%
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Exclusively marine, radially symmetrical, and diploblastic organism is:
1. Pila
2. Nereis
3. Pleurobrachia
4. Asterias
1. Pila
2. Nereis
3. Pleurobrachia
4. Asterias
Subtopic: Phylum Ctenophora & Platyhelminthes |
82%
From NCERT
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