Delicate hair-like feathers which remain sparsely distributed over the body are

(1) coverts

(2) filoplumes

(3) plumules

(4) remiges.

 

Subtopic:  Study of Aves & Mammals |
Level 3: 35%-60%
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National bird of India is

1. Psittacula

2. Passer domesticus

3. Pavo cristatus

4. Parakeet

Subtopic:  Study of Aves & Mammals |
 83%
Level 1: 80%+
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Which of the following have porous body and have Cellular Level of Organization?

(1) Aurelia and Obelia

(2) Adamsia and Euplectella

(3) Leucosolenia and Spongilla

(4) Sycon and Hydra

Subtopic:  Phylum Porifera |
 69%
Level 2: 60%+
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Which of the following is a correct match?

1. Frog — External ears
2. Earthworm — Muscular gizzard, typhlosole
3. Human — Fat globule, 10 pairs of cranial nerves
4. Cockroach — Chilopoda
Subtopic:  Phylum Annelida |
 60%
Level 2: 60%+
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One of the world's most poisonous fish toxins is released by

(1) clown fish

(2) sword fish

(3) eel fish

(4) puffer fish

Subtopic:  Comparative study of Cartilagenous & Bony Fishes |
Level 3: 35%-60%
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Stinging capsules (nematocysts) are found in

(1) wasp and honeybee

(2) scorpion and cobra

(3) sea pen and sea fan

(4) cactus and Venus flytrap

Subtopic:  Phylum Coelenterata |
 92%
Level 1: 80%+
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In the given table, some organisms are classified into categories. However, there is one exception. Select the option with correctly mentioned exceptional organism.

Organisms Category Exception
1.   Penicillium, Aspergillus, Mucor      Fungi Mucor
2. Cacti, Venus flytrap Plants Cacti
3. Ascaris, Nereis, Wuchereria Aschelminthes      Nereis
4. Scorpion, Prawn, Anopheles Arthropoda Prawn
Subtopic:  Phylum Annelida |
 77%
Level 2: 60%+
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Choose the correct pair.

1. Coconut, cucurbits - dioecious
2. Honeybee, Rotifers - Parthenogenesis
3. Ornithorhyncus, Whale - viviparity
4. Frog, Peacock - external fertilisation

Subtopic:  Phylum Arthropoda |
 64%
Level 2: 60%+
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Select the incorrect statement.

(1) Periplaneta has compound eyes.

(2) Earthworm shows segmentation.

(3) Ascaris shows sexual dimorphism

(4) Liver fluke has a complete alimentary canal

Subtopic:  Phylum Ctenophora | Phylum Platyhelminthes |
 79%
Level 2: 60%+
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Which of the following waste products in grasshopper is not excreted and is used in other metabolic activities?

(1) Carbon dioxide

(2) Water

(3) Uric acid

(4) Faeces

Subtopic:  Phylum Arthropoda |
Level 3: 35%-60%
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