Q.1. Natural system of classification is based on the comparision of
(a) All morphological characters of plants and animals
(b) All the available characteristics of organism
(c) Evolutionary tendencies of organism
(d) A few morphological characters of organism
Ans. (b)
Q.2. Artificial classification is based on the comparision of
(a) Several characters of organism (b) Evolutionary relations of organism (c) One or two characters of plants and animals
(d) Morphological, anatomical and physiological characters of organism
Ans. (d)
Q.3. Branch of biology that deals with classification
(a) histology (b) taxonomy (c) physiology (d) geology
Ans. (b)
Q.4. Water containing structure of amoeba is called
(a) Water vacuole (b) Food vacuole
(c) Contractile vacuole (d) Vacuole
Ans. (c)
Q.5. Which of the following animal exhibits “tube within a tube” body plan?
(a) Sponge (b) Coelentrate (c) Flat worm (d) Round worm
Ans. (b)
Q.6. What is the main basis of classification of protozoa?
(a) Size (b) Shape (c) Locomotory (d) Reproduction Ans. (c)
Q.7. According to the system of binomial nomenclature every organism has
(a) two names one form the place to which it belongs and the other of the discoverer
(b) one name established by two scientists
(c) one scienties name f which first part is genus and other species
(d) two name one scientific and one common
Ans. (c)
Q.8. Which of the following animal is not radially symmetrical?
(a) Aurelia (b) Sea cocumber (c) Star fish (d) Round worm
Ans. (c)
Q.9. Tapeworm gets food through
(a) Proboscis (b) Suckers of scolex
(c) Suctorial pharyanx (d) body surface
Ans. (d)
Q.10. In which character vertebrates differ from invertebrates
(a) coelom (b) tail (c) dorsal tubular nerve (d) brain chord
Ans. (c)
Q.11. Fertilization means
(a) transfer of male gamete to the female gamete
(b) Apposition of the male and female reproductive organs
(c) Fusion of nuclei of male and female gametes
(d) The shedding of gametes from the gonads
Ans. (c)
Q.12. The function of contractile vacuole in protozoa is
(a) Digestion (b) Cheifly excretion
(c) Cheifly osmoregulation but also helps in excretion
(d) To faciliate the formation of locomtory apparatus.
Ans. (c)
Q.13. What is the basic unit of classification
(a) Order (b) Phylum (c) Genus (d) Species
Ans. (d)
Q.14. Excretion of protozoans take place mainly
(a) By contractile vacuole (b) By cytopyge
(c) By general body surface (d) By food vacuole
Ans. (c)
Q.15. Artificial system of classification was first adopted by
(a) Simposn (b) Linnaeus (c) Dobzhansky (d) Mayr
Ans. (b)
Q.16. The basis for classifying protozoans are
(a) Type of reproduction (b) Type of nutrition
(c) Type of locomotor (d) The amount of cytodifferentiation
Ans. (c)
Q.17. Who wrote the book ‘Systema Naturae’
(a) Lamarck (b) Darwin (c) Buffon (d) Linnaeus
Ans. (d)
Q.18. The foundation for sexual reproduction was laid in protozoa, a which of the following statement substantiates it?
(a) Conjugation is found only in protozoa
(b) Gametes, similar to that of metazoa, was developed by them
(c) The fusion of nuclei first appears in them
(d) The morphological dimorphism of mating types in some protozoans
Ans. (c)
Q.19. Linnaeus gave natural system of classification based on
(a) morphology (b) anatomy (c) evolotionary trends (d) all of these
Ans. (d)
Q.20. Who pronoinced binomial system of nomenclature
(a) Carlous Linnaeus (b) Gregor Mendel
(c) Pasteur (d) Darwin
Ans. (a)
Q.21. Identify the correct sequence of taxa in Linnean hirarchy
(a) species, geus, family, order, class
(b) class, family, species, genus, order
(c) species, genus, phylum, family, class
(d) phylum, class, family, species, order
Ans. (a)
Q.22. Organellae of defence in Paramecium are
(a) nematocyst (b) oocyst (c) sporocyst (d) trichocyst
Ans. (d)
Q.23. Moulting is not found in the development of
(a) polychaete (b) snake (c) insect (d) All of them
Ans. (a)
Q.24. Which animal would not survive, if there were no ponds of water
(a) Fasciola (b) Ascaris (c) Entamoeba (d) Taenia
Ans. (a)
Q.25. Which group includes all marine animals
(a) Mollusca (b) Porifera (c) Echinodermata (d) Coelenterata
Ans. (c)
Q.26. Which of the following has no alternative host
(a) Ascaris (b) Plasmodium (c) Tape worm (d) Periplanata
Ans. (a)
Q.27. Platyhelminhes are generally called
(a) round worms (b) flat worms (c) tubiculous worms (d) blind worms
Ans. (b)
Q.28. Which is an annelid
(a) ant (b) crab (c) Nereis (d) Octopus
Ans. (c)
Q.29. Chitinous exoskeleton is found in
(a) birds (b) turtle (c) insects (d) fishes
Q.30. Corals are formed by
(a) Molluscs (b) Coelenterates (c) Protozoans (d) Echinoderms
Ans. (b)
Q.31. Primary host in the life history of Fasciola
(a) pig (b) sheep (c) man (d) snail
Ans. (b)
Q.32. Medusae are found in the life history of
(a) Obelia (b) Hydra (c) star fish (d) none of them
Ans. (a)
Q.33. Conjugation in Paramecium is for
(a) binary division (b) sexual reproduction
(c) asexual reproduction (d) metamorphosis
Ans. (b)
Q.34. Larva is not found in the life history of
(a) Ascaris (b) Taenia (c) frog (d) Pheretima
Ans. (d)
Q.35. Alimentamy canal is not found in
(a) Arachnida (b) Apodu (c) Gastropoda (d) Cestoda
Ans. (d)