Question Bank No: 1

1. Which one of the following in birds indicates their reptilian ancestry?

 a)Eggs with a calcareous shell
 b)Scales on their hind limbs
 c)Four-Chambered heart
 d)Two special chambers crop and gizzard in their digestive tract

2. Which one of the followings belongs to platyhelminthes?

 a)Plasmodium
 b)Trypanosoma
 c)Schistosoma
 d)Wuchereria

3. Which statement is correct regarding reptiles, birds and mammals?

 a)Evolved from a common ancestor
 b)Embryos are surrounded by a fluid-filled sac called amnion
 c)Outer covering is largely watertight
 d)All of the above

4. Which one of the following statement is stated incorrectly regarding cartilaginous fishes?

 a)Cartilaginous fished have sense organs
 b)Most cartilaginous fishes have color vision
 c)Teeth-like placoid scales are found on the skin of cartilaginous fishes
 d)In cartilaginous fishes, gas exchange occurs in the gills

5. The scientific name of Asian tiger mosquito

 a)Aedes aegypti
 b)Aedes albopictus
 c)Aedes taeniorhynchus
 d)Aedes albolineatus

6. Which one of the following statements is correct?

 a)Germ layers are tissue layers in the embryos of all animals except sponges
 b)Germ layers include ectoderm, endoderm and mesoderm
 c)Flatworms have three germ layers whereas cnidarians and ctenophores have two
 d)All of these are correct

7. One example of animals having a single opening to the outside that serves both as mouth as well as anus is

 a)Fasciola
 b)Octopus
 c)Asterias
 d)Ascidia

8. Cnidarians having cells called cnidocytes, contain organelles known as _____

 a)Polymorphism
 b)Nematocysts
 c)Hermaphroditism
 d)None of these

9. Phylum mollusca can be distinguished from other invertebrates by the presence of

 a)Bilateral symmetry and exoskeleton
 b)A mantle and gills
 c)Shell and non-segmented body
 d)A mantle and non-segmented bosy

10. Which one of the following is NOT a characteristics of phylum Annelida?

 a)Ventral nerve cord
 b)Closed circulatory system
 c)Segmentation
 d)Pseudocoelom

11. A phenomenon when parasite parasitizes themselves is known as

 a)Hyperparasitism
 b)Parasitoids
 c)Monoxenous parasitism
 d)Polyxenous parasitism

12. In planarians water enters the body by ______.

 a)osmosis
 b)contractile vacuoles
 c)flame cells
 d)active transport

13. Sharks, skates and rays are also called ____ fishes.

 a)Jawless
 b)Bony
 c)Cartilaginous
 d)Freshwater

14. In many animals the rapid change from the immature organism to the adult (change from larva to adult in insects) means

 a)Cephalization
 b)Molting
 c)Metamorphosis
 d)Endothermy

15. Earthworms eliminate cellular wastes and excess water through excretory tubules called _______.

 a)Nephridia
 b)Flame cells
 c)Coelom
 d)Gizzard

16. Insect mouthparts are adapted for different functions in different species. Mouthparts of houseflies are used for

 a)Siphoning
 b)Piercing and sucking
 c)Sponging and lapping
 d)Biting and chewing

17. The osculum is an excretory structure in

 a)Star fish
 b)Hydra
 c)Silver fish
 d)Sponge

18. Peripatus is a connecting link between

 a)Coelenterata and Porifera
 b)Ctenophora and Platyhelminthes
 c)Mollusca and Echinodermata
 d)Annelida and Arthropoda

19. Pneumatic bones are expected to be found in

 a)Flying fish
 b)Whale
 c)Tadpole of frog
 d)Pigeon

20. Pupa occus in the life cycle of

 a)Blatta
 b)Mosquito
 c)Housefly
 d)Periplaneta

21. Male mosquitoes usually feed on

 a)Garbage
 b)Human blood
 c)Flower sap
 d)All of the above

22. In cephalopod, the brain is formed from the fusion of __________.

 a)Spinal cord
 b)Ganglia
 c)Eye tissue
 d)Trochophore

23. ______ is not an example of a cnidarian?

 a)Coral
 b)Flatworm
 c)Jellyfish
 d)Hydra

24. Sponges are ______ filter feeders.

 a)Occasional
 b)active
 c)terrestrial
 d)sessile

25. Tapeworm is

 a)Digenetic parasite
 b)Nematode
 c)Monogenetic parasite
 d)Annelid

26. A common feature of tracheae of Cockroach and mammal is that both have

 a)Ciliated inner lining
 b)Non-collapsible walls
 c)Paired nature
 d)Origin from head

27. Which of the following possess post anal tail?

 a)Spider
 b)Scorpion
 c)Cockroach
 d)Cobra

28. A true coelom is lined on all sided by

 a)Ectoderm
 b)Mesoderm
 c)Endoderm
 d)Ectoderm and endoderm

29. What color is the blood of crayfish?

 a)green
 b)blue
 c)red
 d)white

30. Collar cells are general characteristic of

 a)Sand worm
 b)Roundworms
 c)Coelenterata
 d)Sponges

31. When tail is cylindrical and ventral scales do not extend width of belly the snake is

 a)definitely poisonous
 b)can be poisonous or non poisonous
 c)non-poisonous
 d)deadly poisonous

32. Which is a livil fossil?

 a)Coelacanth
 b)Limulus
 c)Sphenodon
 d)All of these

33. Which is limbless amphibian?

 a)Alytes
 b)Hyls
 c)Ichthyophis
 d)Phlebotomus

34. The ________ are undifferentiated embryonic cells and produce the sex cells as well

 a)Thesocytes
 b)Myocytes
 c)Archaeocytes
 d)Chromocytes

35. Which one of the following kinds of animals is triploblastic?

 a)Corals
 b)Flat worms
 c)Sponges
 d)Ctenophores

36. Which of the following is a diploblastic, radially symmetrical animal?

 a)Hydra
 b)Earthworm
 c)Roundworm
 d)Liver fluke

37. Which of the following reptiles has four chambered heart?

 a)Turtle
 b)Sphenodon
 c)King Cobra
 d)Crocodile

38. Which of the following segment is correct?

 a)Platypus lays eggs
 b)Camels have biconcave RBCs
 c)Whales respire by gills
 d)Bats do not fly

39. Which of the following statements is true about Roundworms?

 a)Roundworms may reach 5cm in length
 b)They are non-segmented
 c)They are generally dark-colored
 d)They occur only in the soil

40. Which of the following statement is true?

 a)Invertebrates possess a tubular nerve cord
 b)Non chordates have a vertebral column
 c)All chordates are vertebrates
 d)All vertebrates are chordates