- 1(current)
Q. No.Match the following list of animals with their level of organization.
| Division of Labour | Animal | ||
| A. | Organ level | i. | Pheritima |
| B. | Cellular aggregate level | ii. | Fasciola |
| C. | Tissue level | iii. | Spongilla |
| D. | Organ system level | iv. | Obelia |
Choose the correct match showing division of labour with animal example:
| i | ii | iii | iv | |
| 1. | B | C | D | A |
| 2. | B | D | C | A |
| 3. | D | A | B | C |
| 4. | A | D | C | B |
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Choose the correct statement.
1. All mammals are viviparous
2. All cyclostomes do not possess jaws and paired fins
3. All reptiles have a three-chambered heart
4. All pisces have gills covered by an operculum
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct ?
1. It is present throughout life in Amphioxus
2. It is present only in larval tail in Ascidians
3. It is replaced by vertebral column in adult frog
4. It is absent throughout life in humans from the very beginning
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Consider the two statements:
I. The similarity between notochord and stomochord is due to convergent evolution.
II. Both arise from a common ancestry and exhibit homology.
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. Only I is correct
4. Both I and II are incorrect
A jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is
| 1. | Eptratretus | 2. | Myxine |
| 3. | Neomyxine | 4. | Petromyzon |
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- 1(current)
Q. No.
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