Q. No.Approximately what percentage of existing animal species are invertebrates?
1.
20%
2.
50%
3.
70%
4.
95%
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In some animal groups, the body is found divided into compartments with at least some organs/origin repeated.
This characteristic feature is named
1. Segmentation
2. Metamerism
3. Metagenesis
4. Metamorphosis
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Given below are types of cells present in some animals. Each one is specialized to perform a single specific
function expect
1. Choanocytes
2. Interstitial cells
3. Gastrodermal cells
4. Nematocytes
Which one of the following sets of animals share a four chambered heart?
1. Amphibians, Reptiles, Birds
2. Crocodiles, Birds, Mammals
3. Crocodiles, Lizards, Turtles
4. Lizards, Mammals, Birds
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Which of the following pairs of animals has non glandular skin?
1. Snake and Frog
2. Chameleon and Turtle
3. Frog and Pigeon
4. Crocodile and Tiger
Birds and mammals share one of the following characteristics as a common feature.
| 1. | Pigmented skin |
| 2. | Alimentary canal with some modification |
| 3. | Viviparity |
| 4. | Warm blooded nature |
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Which one of the following sets of animals belongs to a single taxonomic group?
| 1. | Cuttlefish, Jellyfish, Silverfish, Dogfish, Starfish |
| 2. | Bat, Pigeon, Butterfly |
| 3. | Monkey, Chimpanzee, Man |
| 4. | Silkworm, Tapeworm, Earthworm |
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Which one of the following statements is incorrect?
1. Mesoglea is present in between ectoderm and endoderm in Obelia
2. Radial symmetry is found in Asterias
3. Fasciola is a pseudocoelomate animal
4. Taenia is a triploblastic animal
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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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