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Q. No.The organism shown in the given figure is representative of the subphylum Cephalochordata. This organism is:
1. Ascidia
2. Amphioxus
3. Petromyzon
4. Exocoetus
Subtopic: Phylum Chordata |
72%
Level 2: 60%+
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The figure shows the mouth of a chordate. It can easily be seen that:
| I. The mouth is circular | II. Jaw is absent. |
This chordate can be:
| 1. Ascidia | 2. Amphioxus |
| 3. Petromyzon | 4. Exocoetus |
Subtopic: Phylum Chordata |
82%
Level 1: 80%+
Hints
Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I | Column II | ||
| A. | Spongilla | P. | Sea-fan |
| B. | Euspongia | Q. | Brain coral |
| C. | Gorgonia | R. | Fresh Water sponge |
| D. | Meandrina | S. | Sea-pen |
| E. | Pennatula | T. | Bath sponge |
| A | B | C | D | E | |
| 1. | T | R | P | Q | S |
| 2. | R | T | P | Q | S |
| 3. | T | R | Q | S | P |
| 4. | R | T | S | P | Q |
Subtopic: Phylum Porifera | Phylum Coelenterata |
80%
Level 1: 80%+
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Complete alimentary canal, an excretory tube and a pseudocoelom will be seen in animals belonging to the phylum:
| 1. | Cnidaria | 2. | Aschelminthes |
| 3. | Hemichordata | 4. | Echinodermata |
Subtopic: Phylum Aschelminthes |
95%
Level 1: 80%+
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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%+
Please attempt this question first.
Hints
Please attempt this question first.
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%+
Please attempt this question first.
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Please attempt this question first.
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%+
Please attempt this question first.
Hints
Please attempt this question first.
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%+
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