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Q. No.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)
Assertion (A):
All vertebrates are chordates but all chordates are not vertebrates.
Reason (R):
Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below:
1.
(A) is False but (R) is True.
2.
Both (A) and (R) are True and (R) correctly explains (A).
3.
Both (A) and (R) are True and (R) does not correctly explain (A).
4.
(A) is True but (R) is False.
Subtopic: Phylum Chordata |
75%
Level 2: 60%+
NEET - 2022
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In which of the following animals, the digestive tract has additional chambers like crop and gizzard?
1. Pavo, Psittacula, Corvus
2. Corvus, Columba, Chameleon
3. Bufo, Balaenoptera, Bangarus
4. Catla, Columba, Crocodilus
1. Pavo, Psittacula, Corvus
2. Corvus, Columba, Chameleon
3. Bufo, Balaenoptera, Bangarus
4. Catla, Columba, Crocodilus
Subtopic: Study of Aves & Mammals |
81%
Level 1: 80%+
NEET - 2022
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Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Osteichthyes |
75%
Level 2: 60%+
NEET - 2022
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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.
Subtopic: Study of Amphibians | Study of Reptilia |
59%
Level 3: 35%-60%
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 given 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 |
73%
Level 2: 60%+
NEET - 2022
Hints
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. |
Subtopic: Study of Reptilia |
78%
Level 2: 60%+
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Given below are two statements:
| Assertion (A): | All the mammals are endotherm. |
| Reason (R): | Mammals possess four chambered heart and respire through lungs |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Study of Aves & Mammals |
76%
Level 2: 60%+
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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 |
83%
Level 1: 80%+
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A -II, B- IV, C-III, D-II
2. A -IV, B- II, C-III, D-I
3. A -III, B- IV, C-II, D-I
4. A -III, B- IV, C-I, D-II
| List-I | List-II | ||
| A. | Bilaterally symmetrical, triploblastic acoelomate animal with flame cells | I. | Limulus |
| B. | Bilaterally symmetrical animal with calcareous shell and mantle cavity | II. | Pleurobrachia |
| C. | Radically symmetrical animal with ciliated comb plates and exclusively marine | III. | Fasciola hepatica |
| D. | Bilaterally symmetrical, triploblastic, coelomate animals with a chitinous exoskeleton | IV. | Dentalium |
Choose the correct answer from the options given below:
1. A -II, B- IV, C-III, D-II
2. A -IV, B- II, C-III, D-I
3. A -III, B- IV, C-II, D-I
4. A -III, B- IV, C-I, D-II
Subtopic: Phylum Ctenophora | Phylum Arthropoda | Phylum Mollusca |
88%
Level 1: 80%+
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Asterias lacks specific locomotory, respiratory, and food-capturing organs but it can carry these functions through a unique system of:
1. Syconoid canal system
2. Water vascular system
3. Metamerism
4. Segmentation
1. Syconoid canal system
2. Water vascular system
3. Metamerism
4. Segmentation
Subtopic: Phylum Echinodermata |
91%
Level 1: 80%+
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