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
Subtopic: Â Phylum Echinodermata |
 91%
From NCERT
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Select correct combination pertaining to fundamental characters possessed by chordates.
A. Bilaterally symmetrical coelomates
B. Notochord provides skeletal support
C. Defines proboscis
D. Tail contains skeletal elements
E. Dorsal hollow nerve cord
Choose the correct answer from the options given below:
1. B, C, D, E only
2. A, B, D, E only
3. A, B, C, D only
4. B & E only
A. Bilaterally symmetrical coelomates
B. Notochord provides skeletal support
C. Defines proboscis
D. Tail contains skeletal elements
E. Dorsal hollow nerve cord
Choose the correct answer from the options given below:
1. B, C, D, E only
2. A, B, D, E only
3. A, B, C, D only
4. B & E only
Subtopic: Â Phylum Chordata |
 75%
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Which of the following combination of animals lack body cavity?
A. Arthropod
B. Tania solium
C. Aschelmintes
D. Fasciola hepatica
E. Planaria
Choose the correct answer from the options given below:
1. A, B, C only
2. A, B, C, D only
3. C & E only
4. B, D, E only
A. Arthropod
B. Tania solium
C. Aschelmintes
D. Fasciola hepatica
E. Planaria
Choose the correct answer from the options given below:
1. A, B, C only
2. A, B, C, D only
3. C & E only
4. B, D, E only
Subtopic: Â Phylum Ctenophora |Â Phylum Aschelminthes |
 74%
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Which of the following are all dioecious animals?
1. Pheretima, Taenia and Ascaris
2. Hirudinaria, Ascaris and Neries
3. Taenia, Neries and Aurelia
4. Neries, Aurelia and Ascaris
1. Pheretima, Taenia and Ascaris
2. Hirudinaria, Ascaris and Neries
3. Taenia, Neries and Aurelia
4. Neries, Aurelia and Ascaris
Subtopic: Â Phylum Coelenterata |Â Phylum Aschelminthes |Â Phylum Annelida |
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Arrange the following parts of a sponge in the correct sequence for water to flow through
A. Apopyle
B. Incurrent canal
C. Prosopyle
D. Radial canal
E. Spongocoel
Choose the correct answer from the options given below
1. D, E, A, C, B
2. A, E, D, B, C
3. C, B, A, D, E
4. B, C, D, A, E
A. Apopyle
B. Incurrent canal
C. Prosopyle
D. Radial canal
E. Spongocoel
Choose the correct answer from the options given below
1. D, E, A, C, B
2. A, E, D, B, C
3. C, B, A, D, E
4. B, C, D, A, E
Subtopic: Â Phylum Porifera |
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Match List I with List II
Choose the correct answer from the options given below:
1. A - (I); B - (IV); C - (II); D - (III)
2. A - (III); B - (I); C - (IV); D - (II)
3. A - (II); B - (IV); C - (I); D - (III)
4. A - (II); B - (IV); C - (III); D - (I)
| List I | List II |
| A. Tracheae | I. Pila |
| B. Pulmonary sac | II. Mosquito larvae |
| C. Branchiostegal | III. Spider |
| D. Respiratory siphon | IV. Crab |
1. A - (I); B - (IV); C - (II); D - (III)
2. A - (III); B - (I); C - (IV); D - (II)
3. A - (II); B - (IV); C - (I); D - (III)
4. A - (II); B - (IV); C - (III); D - (I)
Subtopic: Â Phylum Arthropoda |
 62%
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Match List I with List II:
Choose the correct answer from the options given below:
1. A-II, B-I, C-III, D-IV
2. A-III, B-I, C-II, D-IV
3. A-II, B-I, C-IV, D-III
4. A-I, B-II, C-III, D-IV
| List I | List II |
| A. Coelomates | I. Aschelminthes |
| B. Pseudocoelomates | II. Platyhelminthes |
| C. Acoelomates | III. Annelids |
| D. Diploblastic | IV. Coelenterates |
1. A-II, B-I, C-III, D-IV
2. A-III, B-I, C-II, D-IV
3. A-II, B-I, C-IV, D-III
4. A-I, B-II, C-III, D-IV
Subtopic: Â Basis of Classification |
 86%
From NCERT
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In contrast to Aves, mammals have:
Choose the correct answer from the options given below:
| A. | synsacrum |
| B. | corpus callosum |
| C. | mammary gland without teats |
| D. | ear pinna |
| E. | pneumatic bones |
Choose the correct answer from the options given below:
| 1. | B and D only |
| 2. | A, B and D only |
| 3. | C, D and E only |
| 4. | A and E only |
Subtopic: Â Study of Aves & Mammals |
 51%
From NCERT
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NEET 2025 - Target Batch
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Find out the incorrect match will respect to Mollusca
| 1. | Bivalva | - No head, foot wedfe shaped, shell of two valve hinged |
| 2. | Gastropoda | - Rudimentary head, foot conical and shell tubular |
| 3. | Amphineura | - head reduced, foot large or reduced, shell comprises a row of plates |
| 4. | Monoplacophora | - distinct head, flat foot, visceral mass segmented |
Subtopic: Â Phylum Mollusca |
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In which of the following organisms do blastopores develop into the anus?
A. Balanoglossus
B. Apis
C. Limulus
D. Pristis
E. Chaetoderma
Choose the correct answer from the options given below
1. B and C only
2. C, D and E only
3. A and D only
4. A and E only
A. Balanoglossus
B. Apis
C. Limulus
D. Pristis
E. Chaetoderma
Choose the correct answer from the options given below
1. B and C only
2. C, D and E only
3. A and D only
4. A and E only
Subtopic: Â Basis of Classification |
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