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Q. No.Which of the following is not a chordate feature?
1.
Ventral, solid, double nerve cord
2.
Notochord
3.
Pharyngeal slits
4.
Post anal tail
Subtopic: Phylum Chordata |
65%
Level 2: 60%+
Hints
Consider the given two statements :
Assertion: Hooks and suckers are present in the endoparasitic flat worms.
Reason: These structures help such worms to attach to the intestine of the host.
1. Both Assertion and Reason are true and Reason correctly explains the Assertion.
2. Both Assertion and Reason are true but the Reason does not correctly explain the Assertion.
3. Assertion is true but the Reason is false.
4. Both Assertion and Reason are false.
Assertion: Hooks and suckers are present in the endoparasitic flat worms.
Reason: These structures help such worms to attach to the intestine of the host.
1. Both Assertion and Reason are true and Reason correctly explains the Assertion.
2. Both Assertion and Reason are true but the Reason does not correctly explain the Assertion.
3. Assertion is true but the Reason is false.
4. Both Assertion and Reason are false.
Subtopic: Phylum Platyhelminthes |
82%
Level 1: 80%+
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Match column-I with column-II and select the correct option.
Column-I Column-II
a. Corvus (i) Single circulation
b. Aedes (ii) Open circulation
c. Calotes (iii) Double circulation
d. Scoliodon (iv) Incomplete double circulation
1. a(ii), b(iii), c(iv), d(i)
2. a(iii), b(i), c(iv), d(ii)
3. a(iii), b(ii), c(iv), d(i)
4. a(iii), b(ii), c(i), d(iv)
Column-I Column-II
a. Corvus (i) Single circulation
b. Aedes (ii) Open circulation
c. Calotes (iii) Double circulation
d. Scoliodon (iv) Incomplete double circulation
1. a(ii), b(iii), c(iv), d(i)
2. a(iii), b(i), c(iv), d(ii)
3. a(iii), b(ii), c(iv), d(i)
4. a(iii), b(ii), c(i), d(iv)
Subtopic: Circulatory Pathways |
73%
Level 2: 60%+
Hints
Select the correct match from the following given options.
Animal Level of Organisation
1. Taenia – Tissue level
2. Pheretima – Organ system level
3. Sycon – Acellular level
4. Obelia – Organ level
Animal Level of Organisation
1. Taenia – Tissue level
2. Pheretima – Organ system level
3. Sycon – Acellular level
4. Obelia – Organ level
Subtopic: Phylum Porifera | Phylum Coelenterata | Phylum Annelida |
61%
Level 2: 60%+
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Choose the option which fills the blank correctly to complete the analogy.
Sea pen : Radial symmetry :: Liver fluke:______
1. Asymmetry
2. Radial symmetry
3. Biradial symmetry
4. Bilateral symmetry
Sea pen : Radial symmetry :: Liver fluke:______
1. Asymmetry
2. Radial symmetry
3. Biradial symmetry
4. Bilateral symmetry
Subtopic: Phylum Coelenterata | Phylum Platyhelminthes |
85%
Level 1: 80%+
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Match items in column-I with those in column-II and choose the correct option.
| Column-I | Column-II | ||
| (a) | Exocoetus | (i) | Tympanum represents the ear |
| (b) | Trygon | (ii) | Marine bony fish |
| (c) | Salamandra | (iii) | Air sacs connected to lungs |
| (d) | Aptenodytes | (iv) | Cartilaginous marine fish |
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (ii) | (iv) | (i) | (iii) |
| 4. | (i) | (iii) | (ii) | (iv) |
Subtopic: Study of Reptilia | Study of Aves & Mammals | Super Class Pisces & its General Characteristics |
89%
Level 1: 80%+
Hints
Select the incorrect match:
| 1. | Porifers | Body with pores and canals in walls |
| 2. | Coelenterates | Presence of cnidoblasts |
| 3. | Platyhelminthes | Flat body and suckers |
| 4. | Arthropods | Chitinous exoskeleton, comb plates |
Subtopic: Phylum Ctenophora | Phylum Arthropoda |
88%
Level 1: 80%+
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Match items in column-I with those in column-II and choose the correct option.
| Column-I | Column-II | ||
| A. | Cyclostomata | (i) | Mouth without jaws |
| B. | Chondrichthyes | (ii) | Exclusively oviparous |
| C. | Aves | (iii) | Gills without operculum |
| D. | Mammalia | (iv) | Unique in possessing hair |
| A | B | C | D | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (ii) | (i) | (iv) | (iii) |
Subtopic: Phylum Chordata | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
88%
Level 1: 80%+
Hints
Which of the following is a common feature between Pheretima and Ascaris?
1. Presence of true coelom
2. Presence of metameres
3. Absence of pharynx
4. Presence of bilateral symmetry
1. Presence of true coelom
2. Presence of metameres
3. Absence of pharynx
4. Presence of bilateral symmetry
Subtopic: Phylum Aschelminthes | Phylum Annelida | Basis of Classification |
78%
Level 2: 60%+
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Select the incorrect match with respect to animals and their excretory structures.
1. Hirudinaria – Nephridia
2. Saccoglossus – Proboscis gland
3. Pila – Radula
4. Taenia – Flame cells
1. Hirudinaria – Nephridia
2. Saccoglossus – Proboscis gland
3. Pila – Radula
4. Taenia – Flame cells
Subtopic: Phylum Mollusca |
71%
Level 2: 60%+
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