- 1(current)
Q. No.Consider the given statements:
The number of correct statements is:
| I: | Annelids are metamerically segmented animals with a true coelom. |
| II: | Arthropods are the most abundant group of animals characterised by the presence of jointed appendages. |
| III: | Molluscs have a soft body surrounded by an external calcareous shell. |
| IV: | Echinoderms possess a spiny skin. |
| V: | Hemichordates are fresh water animals. |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
Subtopic: Â Phylum Annelida |Â Phylum Arthropoda |Â Phylum Mollusca |Â Phylum Echinodermata |Â Phylum Hemichordata |
 73%
Level 2: 60%+
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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: Â Phylum Arthropoda |Â Basis of Classification |
 92%
Level 1: 80%+
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Consider the given two statements:
| Statement I: | Over two-thirds of all named species on earth are arthropods. |
| Statement II: | Mollusca is the second largest animal phylum. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Â Phylum Arthropoda |Â Phylum Mollusca |
 90%
Level 1: 80%+
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Identify the incorrect statement:
| 1. | In cockroaches and prawns, excretion of waste material occurs through malpighian tubules. |
| 2. | In ctenophores, locomotion is mediated by comb plates. |
| 3. | In Fasciola, flame cells help in excretion |
| 4. | Earthworms are hermaphrodites and yet, cross-fertilization takes place among them. |
Subtopic: Â Phylum Ctenophora |Â Phylum Arthropoda |
 59%
Level 3: 35%-60%
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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 | Limulus | P | Gregarious pest |
| B | Locusta | Q | Living fossil |
| C | Ancylostoma | R | Filaria worm |
| D | Wuchereria | S | Hookworm |
| A | B | C | D | |
| 1. | Q | P | S | R |
| 2. | P | Q | S | R |
| 3. | P | Q | R | S |
| 4. | Q | P | R | S |
Subtopic: Â Phylum Aschelminthes |Â Phylum Arthropoda |
 89%
Level 1: 80%+
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- 1(current)
Q. No.
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