1. Animals/organisms floating on the surface of the water are;
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Plankton
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Pelagic
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Benthon
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Neritic
2. Radial symmetry occurs in
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Fishes
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Molluscs
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Star fishes
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Sponges
3. Diploblastic animals occur in
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Annelida
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Porifera
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Coelenterata
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Both 1 & 2
4. Coelom is absent in
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Porifera
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Coelenterata
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Platyhelminthes
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All the above
5. An animal with metameric segmentation/ metamerism is
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Housefly
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Earthworm
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Roundworm
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Planaria
6. Arboreal mammals have
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Jumping character
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Burrowing character
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Climbing character
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Flying character
7. Choose the correct combination
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Annelida and Porifera ........... Phyla
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Oligochaeta and Arthropoda.........Phyla
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Mollusca and Hydrozoa........Classes
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Aves and Chordata...........Classes
8. Haemocoel is present in
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Hydra
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Earthworm
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Nereis
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Scolopendra
9. Veliger larva occurs in phylum
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Mollusca
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Echinodermata
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Arthropoda
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Cnidaria
10. Which of the following statements is false?
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Male roundworm is smaller than female
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Earthworms are hermaphrodite
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Echinoderms are protostomous coelomates
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Human teeth are anatomically comparable to scales of shark
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Hair is derivative of skin
11. Which organism possesses characteristics of plants and animals?
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Bacteria
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Monera
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Euglena
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Mycoplasma
12. In a sponge the whole inner surface of the asconoid is lined by
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Choanocytes
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Porocytes
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Pinacocytes
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Amoebocytes
13. In porifera skeleton is made up of
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Spicules
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Spongins
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Both 1 & 2
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Chitin
14. The correct pathway of water Movement in sponges is
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Osculum → ostia → spongocoel
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Ostia → osculum → spongocoel
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Osculum → spongocoel → ostia
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Ostia → spongocoel → osculum
15. The Skeleton of corals is formed of
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Silica
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Calcium carbonate
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Chitin
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Spongin fibre
16. Bioluminescence is seen in
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Amoeba
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Paramoecium
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Pleurobranchia
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Gorgonia
17. The respiratory organs of arthropods are
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Gills
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Book gills or book lungs
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Trachea
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All of these
18. Set of useful insects is
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Wasp,Anopheles and bed bug
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Bed bug, Silk moth and Anopheles
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Honey Bee, bed bug and locust
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Silk worm like insect and Honey Bee
19. Silk thread is obtained from Silk moth during
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Pupil stage
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Larval stage
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Nymph stage
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Adult stage
20. Locomotion in Echinodermata is by
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Cilia
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Muscles
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Feet
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Ambulacral system
21. Which of the following represents order of 'Horse'?
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Equidae
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Perissodactyle
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Caballus
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Ferus
22. Choose the correct statement.
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All reptiles have a three–chambered heart.
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All pisces have gills covered by an operculum.
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All mammals are viviparous.
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All cyclostomes do not possess jaws and paired fins
23. Which of the following features is not present in Periplaneta americana?
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Schizocoelom as body cavity
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Indeterminate and radial cleavage during embryonic development
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Exoskeleton composed of N-acetylglucosamine
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Metamerically segmented body
24. Which of the following endoparasites of humans does show viviparity?
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Ascaris lumbricoides
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Ancylostoma duodenale
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Enterobius vermicularis
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Trichinella spiralis
25. An important characteristic that Hemichordates share with Chordates is
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Absence of notochord
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A ventral tubular nerve cord
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Pharynx with gill slits
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Pharynx without gill slits
26. Which group of animals belongs to the same phylum?
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Malarial parasite, Amoeba, Mosquito
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Earthworm, Pinworm, Tapeworm
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Prawn, Scorpion, Locusta
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Sponge, Sea anemone, Starfish
27. Which one of the following characteristics is not shared by birds and mammals?
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Ossified endoskeleton
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Breathing using lungs
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Viviparity
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Warm blooded nature
28. Mammary glands are modified
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Salivary glands
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Lacrimal glands
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Sebaceous glands
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Sweat glands
29. See the following diagram and identify the name of the animal and the Phylum to which it belongs correctly.
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Nereis - Annelida
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Balanoglossus- Urochordata
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Balanoglossus- Cephalochordata
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Balenoglossus– Hemichordata
30. Only poisonous lizard of the world is
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Draco
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Heloderma
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Sphenodon
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Varanus
31. Who called birds are glorified reptiles?
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Huxley
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Romer
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Mendel
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Robert Hooke
32. Without exception all birds are
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Omnivorous
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Have feathers and fly
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Forms nests and care them
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Calcareous shelled egg
33. Flight muscles of bird are attached to
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Clavicle
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Coracoid
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Keel of sternum
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Scapula
34. In insects, compound eyes are formed of
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Ocelli
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Ommatidia
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Eyespot
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Malpighian tubules
35. See the following figures and select the correct option with their respective classes.
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a – Chondrichthyes, b – Cyclostome, c – Chondrichthyes
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a - Chondrichthyes, b – Osteichthyes, c – Cyclostome
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a – Cyclostome, b – Chondrichthyes, c – Chondrichthyes
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a – Cyclostome, b – Osteichthyes, c – Chondrichthyes