Radial symmetry is seen in

(1) Mollusca

(2) Chordata

(3) Porifera

(4) Ctenophora

Subtopic:  Phylum Ctenophora |
 86%
From NCERT
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Ancylostoma is also known as

(1) Pinworm

(2) Hookworm

(3) Flatworm

(4) Filarial worm

Subtopic:  Phylum Aschelminthes |
 88%
From NCERT
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Chitinous exoskeleton is present in

(1) Mollusca

(2) Echinodermata

(3) Arthropoda

(4) Porifera

Subtopic:  Phylum Arthropoda |
 92%
From NCERT
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In which of the following are air sacs connected to the lungs?

1. Neophron

2. Testudo

3. Ornithorhynchus

4. Chelone

Subtopic:  Study of Aves & Mammals |
 73%
From NCERT
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Pseudocoelomate among the following is

(1) Ancylostoma

(2) Nereis

(3) Pheretima

(4) Taenia

Subtopic:  Phylum Aschelminthes |
 84%
From NCERT
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Which of the following is not an avian character?

1. Cartilaginous bones which are pneumatic
2. Homoiothermus
3. Hind limbs have scales
4. Fertilisation is internal

Subtopic:  Study of Aves & Mammals |
 63%
From NCERT
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Match the following

(a) Macropus (i) vulture
(b) Neophron (ii) Flying fox
(c)   Aptenodytes   (iii)   Kangaroo
(d) Pteropus (iv) Penguin

 

1. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
2. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
3. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
4. (a)-(I), (b)-(ii), (c)-(iii), (d)-(iv)

Subtopic:  Study of Aves & Mammals |
 84%
From NCERT
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The largest and the second largest phylum of the animal kingdom are

1. Arthropoda and Echinodermata

2. Echinodermata and Mollusca

3. Mollusca and vertebrata

4. Arthropoda and Mollusca

Subtopic:  Phylum Arthropoda | Phylum Mollusca |
 92%
From NCERT
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Which of the group of animals is triploblastic, coelomate and bilateral?

(1) Aschelminthes

(2) Porifera

(3) Arthropoda

(4) Ctenophora

Subtopic:  Phylum Arthropoda |
 92%
From NCERT
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The presence of notochord in the larval tail is a characteristic of

(1) Doliolum

(2) Branchiostoma

(3) Balanoglossus

(4) Petromyzon

Subtopic:  Phylum Chordata |
 71%
From NCERT
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