- 1(current)
Q. No.Which of the following is not an Arthropod characteristic?
| 1. | Jointed appendages | 2. | Periodic molting |
| 3. | Closed circulation | 4. | Articulated exoskeleton |
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Insects are not characterized by:
1. The main body segments – head, thorax and abdomen
2. Three pairs of legs
3. Two pairs of antennae
4. Excretion by Malpighian tubules
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| I: | They are bilaterally symmetrical, triploblastic, non-segmented and pseudocoelomate animals. |
| II: | Arthropoda is the largest phylum of Animalia and includes more than 90 % of all species on the earth that are named so far. |
| III: | Insects are arthropods with body consisting of head, thorax and abdomen. |
| 1. | Only I | 2. | Only I and II |
| 3. | Only III | 4. | Only II and III |
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| Column I | Column II | ||
| A. | Insect reared for producing silk | P. | Locusta |
| B. | Mosquito acting as vector for Dengue virus | Q. | Bombyx |
| C. | Gregarious pest | R. | Limulus |
| D. | Living fossil | S. | Aedes |
Codes:
| A | B | C | D | |
| 1. | Q | S | P | R |
| 2. | Q | S | R | P |
| 3. | P | Q | R | S |
| 4. | R | P | Q | S |
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- 1(current)
Q. No.
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