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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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Match the following organism with their respective characteristics:
| (a) | Pila | (i) | Flame cells |
| (b) | Bombyx | (ii) | Comb plates |
| (c) | Pleurobrachia | (iii) | Radula |
| (d) | Taenia | (iv) | Malpighian tubules |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (ii) | (iv) | (i) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (ii) | (iv) | (iii) | (i) |
Match the following diseases with the causative organism and select the correct option.
| Column-I | Column-II | ||
| (a) | Gregarious, polyphagous pest | (i) | Asterias |
| (b) | Adult with radial symmetry and larva with bilateral symmetry | (ii) | Scorpion |
| (c) | Book lungs | (iii) | Ctenoplana |
| (d) | Bioluminescence | (iv) | Locusta |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (ii) | (i) | (iii) | (iv) |
| 4. | (i) | (iii) | (ii) | (iv) |
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To unlock all the explanations of this course, you need to be enrolled.
Consider following features:
A: Organ system level of organisation
B: Bilateral symmetry
C: True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics.
1. Annelida, Mollusca and Chordata
2. Annelida, Arthropoda and Chordata
3. Annelida, Arthropoda and Mollusca
4. Arthropoda, Mollusca and Chordata
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To unlock all the explanations of this course, you need to be enrolled.
Which one of the following pairs of items correctly belong to the category of organs mentioned against it?
1. Nephridia of earthworm and malpighian tubules of cockroach - excretory organs.
2. Wings of honey bee and wings of crow - homologous organs
3. Thorns of Bougainvilea and tendrils of Cucurbita - analogous organs
4. Nictitating membrane and blind spot in human eye - vestigial organs
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To unlock all the explanations of this course, you need to be enrolled.
Which one of the following statements is incorrect?
| 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 take part in excretion. |
| 4. | Earthworms are hermaphrodites and yet cross fertilization take place among them. |
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To unlock all the explanations of this course, you need to be enrolled.
Which group of animals belong to the same phylum?
1. Earthworm, Pinworm, Tapeworm
2. Prawn, Scorpion, Locusta
3. Sponge, Sea anemone, Starfish
4. Malarial parasite, Amoeba, Mosquito
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To unlock all the explanations of this course, you need to be enrolled.
Perhaps the biggest reason for the enormous success of Arthropods is?
| 1. | Chitinous exoskeleton | 2. | Diverse appendages |
| 3. | Respiration by tracheoles | 4. | Internal fertilization |
Identify the correct statements regarding arthropods:
| I: | All arthropods use internal fertilization |
| II: | All arthropods lay eggs |
| III: | All arthropods' embryos are segmented |
| 1. | Only II | 2. | Only III |
| 3. | Only I and II | 4. | None |
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Q. No.
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