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Q. No.A radula is present in many members of the phylum:
1.
Mollusca
2.
Arthropoda
3.
Annelida
4.
Echinodermata
Subtopic: Phylum Mollusca |
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The number of animals having bilateral symmetry and a true coelom from the list given in the box will be:
1. 4
2. 5
3. 6
4. 7
| Fasciola, Pila, Chaetopleura, Ancylostoma, Saccoglossus, Meandrina, Hirudinaria, Labeo, Ichthyophis |
1. 4
2. 5
3. 6
4. 7
Subtopic: Basis of Classification |
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You discover an organism and observe that it shows the presence of the following characteristics:
You conclude that this must be an arthropod but want to get more confident by observing another feature. Which of the following, if present, will strengthen your argument?
| A: | Bilateral symmetry |
| B: | Body covered with a plate like exoskeleton |
| C: | Legs with joints and wings |
You conclude that this must be an arthropod but want to get more confident by observing another feature. Which of the following, if present, will strengthen your argument?
| 1. | Closed circulation |
| 2. | Lack of a true coelom |
| 3. | Ammonotelic excretion |
| 4. | Body divided into head, thorax and abdomen segments |
Subtopic: Phylum Arthropoda | Basis of Classification |
93%
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Tissue level of body organization and absence of organ systems is seen in:
1. Cnidaria and Ctenophora
2. Porifera and Cnidaria
3. Aschelminthes and Porifera
4. Echinodermata and Chordata
1. Cnidaria and Ctenophora
2. Porifera and Cnidaria
3. Aschelminthes and Porifera
4. Echinodermata and Chordata
Subtopic: Phylum Coelenterata | Phylum Ctenophora | Basis of Classification |
88%
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In cartilaginous fishes:
| I: | Males bear claspers on pelvic fins. |
| II: | Viviparity is never seen. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
78%
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How many of the given statements regarding mammals are correct?
| I: | The skin of mammals is unique in possessing hair. |
| II: | They are homoiothermous. |
| III: | Different types of teeth are present in the jaw. |
| IV: | External ears or pinnae are absent. |
| V: | The most unique mammalian characteristic is the presence of mammary glands. |
| VI: | Flight has never evolved in any mammal. |
| 1. | 3 | 2. | 4 |
| 3. | 5 | 4. | 6 |
Subtopic: Basis of Classification:I | Study of Aves & Mammals |
77%
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Cnidarians, Ctenophores and Echinoderms resemble each other in:
1. Only I and II are correct
2. I, II and III are incorrect
3. Only I is correct
4. I, II and III are correct
| I: | having radial symmetry in adults and larvae |
| II: | having three germ layers |
| III: | lacking a coelom |
1. Only I and II are correct
2. I, II and III are incorrect
3. Only I is correct
4. I, II and III are correct
Subtopic: Basis of Classification:I | Phylum Aschelminthes |
53%
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How do members of hemichordates resemble chordates?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | The body is segmented metamerically. |
| II: | The symmetry is bilateral and they have a true coelom |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Phylum Hemichordata | Phylum Chordata |
66%
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All members are not exclusively marine in:
1. Hemichordata
2. Ctenophora
3. Echinodermata
4. Porifera
1. Hemichordata
2. Ctenophora
3. Echinodermata
4. Porifera
Subtopic: Phylum Porifera |
82%
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Platyhelminthes are (A), Aschelminthes are (B) and Molluscs are (C).
| A | B | C | |
| 1 | Pseudocoelomate | Acoelmate | Eucoelomate |
| 2 | Acoelmate | Pseudocoelomate | Acoelmate |
| 3 | Acoelmate | Pseudocoelomate | Eucoelomate |
| 4 | Acoelomate | Pseudocoelomate | Pseudocoelomate |
Subtopic: Phylum Ctenophora | Phylum Aschelminthes | Phylum Mollusca | Phylum Platyhelminthes |
90%
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