1. Among the following, most complex level of organization is present in
(a) Annelida
(b) Platyhelminthes
(c) Coelentrata
(d) Porifera
Answer
Ans.(a)
2. The layer absent in the embryos of diploblastic animals is
(a) Ectoderm
(b) Mesoderm
(c) Endoderm
(d) Mesoglea
Answer
Ans.(b)
3. In the course of evolution, true coelom appeared for the first time in
(a) Chordata
(b) Annelida
(c) Aschelminthes
(d) Echinodermata
Answer
Ans.(b)
4. On which body side, the notochord is formed during the embryonic development?
(a) Lateral
(b) Ventral
(c) Dorsal
(d) Bilateral
Answer
Ans.(c)
5. Which of the following animals have tube within tube body plan evolved along deuterostomic evolutionary line?
(a) Annelids
(b) Arthropods
(c) Echinoderms
(d) Molluscs
Answer
Ans.(c)
6. The larva of mosquitoes are
(a) Maggot
(b) Wriggler
(c) Tornaria
(d) Grub
Answer
Ans.(b)
7. The fertilization is ______ and development is _______ in sponges.
(a) External, Indirect
(b) External, direct
(c) Internal, Indirect
(d) Internal, direct
Answer
Ans.(a)
8. Which of the following is not the function of water transport system in sponges?
(a) Circulation of food
(b) Respiratory exchange
(c) Removal of wastes
(d) Nervous Control
Answer
Ans.(d)
9. Spongilla is
(a) Bath Sponge
(b) Boring Sponge
(c) Deadman’s Fingers
(d) Freshwater sponge
Answer
Ans.(d)
10. Which among the following is given as a gift in Japan?
(a) Spongilla
(b) Euplectella
(c) Cliona
(d) Chalina
Answer
Ans.(b)
11. Which of the following cnidarian exhibits Metagenesis?
(a) Hydra
(b) Adamsia
(c) Obelia
(d) Meandrina
Answer
Ans.(b)
12. Pearl is produced by
(a) Pinctada
(b) Pila
(c) Aplysia
(d) Octopus
Answer
Ans.(a)
13. How many classes are there in Phylum Platyhelminth
(a) Three
(b) Two
(c) Four
(d) Five
Answer
Ans.(a)
14. Which of the following statements is incorrect about sea walnuts?
(a) They are diploblastic animals
(b) They exhibit tissue level of organization
(c) They undergo indirect development
(d) Fertilisation is internal
Answer
Ans.(d)
15. Flatworms are
(a) Pseudocoelomate
(b) Triploblastic
(c) Coelomates
(d) Diploblastic
Answer
Ans.(b)
16. Mushroom gland is seen in
(a) Earthworm
(b) Cockroach
(c) Frog
(d) Snake
Answer
Ans.(b)
17. In contrast to annelids, flatworms show
(a) Absence of body cavity
(b) Bilateral Symmetry
(c) Radial symmetry
(d) Pseudocoel
Answer
Ans.(a)
18. Syncytial epidermis occurs in
(a) Ascaris
(b) Wucheraria
(c) Ancylostoma
(d) Enterobius
Answer
Ans.(a)
19. Female ascaris can be differentiatied from male by
(a) Presence of cloaca
(b) Presence of penial setae
(c) Shorter Size
(d) Longer than male
Answer
Ans.(d)
20. An intermediate host is present in
(a) Ascaris
(b) Wucheraria
(c) Ancylostoma
(d) Enterobius
Answer
Ans.(b)
21. The secondary host of Wucheraria is
(a) Anopheles
(b) Sand Fly
(c) Tse tse fly
(d) Culex
Answer
Ans.(d)
22. Which of the following enters the body through the skin of feet in man, if he walks bare footed in contaminated soil?
(a) Ascaris
(b) Wucehraria
(c) Ancylostoma
(d) Enterobius
Answer
Ans.(c)
23. Nereis possess lateral appendages, which help in
(a) Locomotion
(b) Swimming
(c) Respiration
(d) All of these
Answer
Ans.(d)
24. Which of the following is free living
(a) Ascaris
(b) Wucheraria
(c) Hirudinaria
(d) Planaria
Answer
Ans.(d)
25. All of the following are sensory structures of arthropods, except
(a) Ocilla
(b) Stat cysts
(c) Antennae
(d) Malpighian tubules
Answer
Ans.(d)
26. The tracheal system helps in the
(a) Digestion
(b) Excretion
(c) Respiration
(d) Reproduction
Answer
Ans.(c)
27. Blood of insects is
(a) Colourless
(b) Red
(c) Blue
(d) Green
Answer
Ans.(a)
28. Choose the incorrect match
(a) Gregarious Pest – Locusta
(b) Living fossil – Limulus
(c) Vector – Lucifer
(d) Economy – Apis
Answer
Ans.(c)
29. What is common between earthworm and cockroach?
(a) Nephridia
(b) Closed circulation
(c) Solid ventral nerve cord
(d) Malpighian Tubules
Answer
Ans.(c)
30. Which of the following is not an exclusive trait of Arthropoda?
(a) Presence of wings
(b) Jointed Appendages
(c) Compound Eyes
(c) Chitin Exoskeleton
Answer
Ans.(a)
31. Eye of which molluscan group resembles vertebrate eye?
(a) Bivalvia
(b) Gastropoda
(c) Pelecypoda
(d) Cephalopoda
Answer
Ans.(d)
32. Silver fish is
(a) Mollusca
(b) Arthropoda
(c) Cnidaria
(d) Annelida
Answer
Ans.(b)
33. Study of shells of mollusca is known as
(a) Malcology
(b) Conchology
(c) Ophiology
(d) Saurology
Answer
Ans.(b)
34. Tailed Amphibian is
(a) Unio
(b) Urodele
(c) Salamander
(d) Nautilus
Answer
Ans.(c)
35. Larva is radially symmetrical but adult is Bilateral symmetry in
(a) Phylum Mollusca
(b) Phylum Echinodermata
(c) Phylum Annelida
(d) Phylum Hemichordata
Answer
Ans.(b)
36. Gill cover in fishes are also called as
(a) operculam
(b) Parapodium
(c) Scales
(d) Dentalium
Answer
Ans.(a)
37. Pseudocoelomate among the following are
(a) Wucheraria
(b) Planaria
(c) Periplanata
(d) None
Answer
Ans.(a)
38. Phylum Echinodermata
(a) All are freshwater
(b) Some are marine
(c) All are marine
(d) Except few all are marine
Answer
Ans.(c)
39. Scientific name of our National Bird is
(a) Pheretima posthuma
(b) Pavo cristatus
(c) Periplnata Americana
(d) None
Answer
Ans.(b)
40. Vertebrate heart is
(a) Dorsal
(b) Ventral
(c) Lateral
(d) Dorso ventral
Answer
Ans.(b)
41. Cockroach has
(a) 2 chambered heart
(b) 3 Chambered heart
(c) 4 Chambered heart
(d) 13 chambered heart
Answer
Ans.(d)
42. Pneumatic bones are seen in
(a) Fishes
(b) Amphibians
(c) Repliles
(d) Aves
Answer
Ans.(d)
43. Which of the following are not Viviparous
(a) Sharks
(b) Scorpions
(c) Platypus
(d) Bats
Answer
Ans.(c)
