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Q. No.Organism (a) differs from (b) in having:
1. Presence of one auricle and one ventricle
2. External fertilisation
3. Separate sexes
4. Lack of capacity to regulate body temperature
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
71%
From NCERT
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Identify phyla A and B from the following set of features in the box given below:
Select the correct option:
| Features | Phylum A | Phylum B | |
| a. | Presence of 3 germ layers | Absent | Present |
| b. | Hermaphroditism | Present | Present |
| c. | Regeneration | Present | Present in some members |
| d. | Digestive System | Absent | Incomplete |
Select the correct option:
| A | B | |
| 1. | Platyhelminthes | Arthropoda |
| 2. | Porifera | Platyhelminthes |
| 3. | Cnidaria | Aschelminthes |
| 4. | Ctenophora | Annelida |
Subtopic: Phylum Porifera | Phylum Ctenophora & Platyhelminthes |
69%
From NCERT
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Choose the correct option to complete the analogy:
Sawfish: Gill slits are present: : _____: Gill slits are absent.
1. Dogfish
2. Devilfish
3. Stingray
4. Angelfish
Sawfish: Gill slits are present: : _____: Gill slits are absent.
1. Dogfish
2. Devilfish
3. Stingray
4. Angelfish
Subtopic: Phylum Chordata |
57%
From NCERT
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Choose the correct match:
1. Balanoglossus – Stomochord
2. Cucumaria – Water canal system
3. Chaetopleura – Chitinous exoskeleton
4. Octopus – Dorsal hollow nerve cord
1. Balanoglossus – Stomochord
2. Cucumaria – Water canal system
3. Chaetopleura – Chitinous exoskeleton
4. Octopus – Dorsal hollow nerve cord
Subtopic: Phylum Hemichordata |
79%
From NCERT
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Match items in column-I with those in column-II and choose the correct option.
1. a(i), b(ii), c(iv), d(iii)
2. a(iii), b(i), c(iv), d(ii)
3. a(ii), b(iv), c(i), d(iii)
4. a(iv), b(ii), c(iii), d(i)
| Column-I | Column-II | ||
| a. | Annelids | (i) | Triploblastic acoelomate |
| b. | Platyhelminths | (ii) | Ciliated comb plates |
| c. | Aschelminths | (iii) | Metamerism |
| d. | Ctenophores | (iv) | Pseudocoelomates |
1. a(i), b(ii), c(iv), d(iii)
2. a(iii), b(i), c(iv), d(ii)
3. a(ii), b(iv), c(i), d(iii)
4. a(iv), b(ii), c(iii), d(i)
Subtopic: Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Annelida |
91%
From NCERT
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How many of the animals given in the box exhibit bilateral symmetry, have true coelom and have a segmented body as well?
1. 2
2. 3
3. 4
4. 5
| Euspongia, Hirudinaria, Meandrina, Chaetopleura, Carcharadon, Ctenplona, Fasciola, Bombyx, Ancylostoma |
2. 3
3. 4
4. 5
Subtopic: Basis of Classification |
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Members of Cyclostomata and Chondrichthyes:
1. belong to same Division
2. have a bony endoskeleton
3. have a ventral heart
4. have cartilaginous jaws
1. belong to same Division
2. have a bony endoskeleton
3. have a ventral heart
4. have cartilaginous jaws
Subtopic: Phylum Chordata | Super Class Pisces & its General Characteristics |
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Identify the group where all given animals belong to the same phylum:
1. Apple snail, Devil fish, Tusk shell, Chiton
2. Cattle fish, Angel fish, Dog fish, Saw fish
3. Sea-hare, Sea-cucumber, Sea-urchin, Sea-lily
4. Squid, Silkworm, Hook worm, King crab
1. Apple snail, Devil fish, Tusk shell, Chiton
2. Cattle fish, Angel fish, Dog fish, Saw fish
3. Sea-hare, Sea-cucumber, Sea-urchin, Sea-lily
4. Squid, Silkworm, Hook worm, King crab
Subtopic: Phylum Mollusca |
62%
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Consider the following characters:
I. Body is covered by scales in all tetrapods.
II. Jaw is present in all vertebrates.
III. All terrestrial vertebrates have at-least a three chambered muscular heart.
1. All are incorrect
2. All are correct
3. Only III is correct
4. Only II is correct
I. Body is covered by scales in all tetrapods.
II. Jaw is present in all vertebrates.
III. All terrestrial vertebrates have at-least a three chambered muscular heart.
1. All are incorrect
2. All are correct
3. Only III is correct
4. Only II is correct
Subtopic: Phylum Chordata | Study of Reptilia |
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Sharks and dogfishes differ from skates and rays by:
| 1. | Gill slits are ventrally placed |
| 2. | Head and trunk are widened considerably |
| 3. | Distinct demarcation between body and tail |
| 4. | Their pectorals fins are distinctly marked off from cylindrical bodies |
Subtopic: Comparative study of Cartilagenous & Bony Fishes |
53%
NEET - 2013
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