82. The respiratory enzymes in the aerobic bacteria are located mainly in
A. Chondrioids B. Mitochondria C. Polysomes D. phagosomes E. Spherosomes
83. Which of the following definitions covers a greater number of organisms ?
A. Class B. Genus C. Family D. Order E. Phylum
84. In Nepenthes, the pitcher is a modified
A. Leaf tip B. Leaf lamina C. Lower part of the petiole
D. Upper part of the petiole E. Stem
85. Pseudomonas rubrilineans causes red stripe desease in
A. Sugarcane B. Carrot C. Cotton D. Wheat E. Rice
86. The fungi imperfecti is called A. Ascomycetes B. Basideomycetes C. Deuteromycetes
D. Fruticose lichens E. Rhizopus stolonifer
87. Algae which grow on animals and also occur on shells of molluscs or other invertebrates are called
A. Epizoic B. Parasitic C. Epiphytic D. Sea Lettuce E. Coenobia
88. Name the fern whose leaf tip produces roots when touches the soil and known as ‘walking fern’
A. Dryopteris B. Adiantum C. Pteris D. Nephrolepis E. Camptosorus
89. The tusks of elephant are modified from of
A. Canine B. Molar C. Skull D. Incisors E. Snout
90. The flight muscles of bird are attached to
A.. Keel B. Clavicle C. Scapula D. Coracoid E. Hind limb bone
91. The marsupium is a characteristic of
A. Metatheria B. Chiroptera C. Rodentia D. Carnivora E. Edenta
92. The phylum arthropoda is characterized by A. Unjointed appentages B. Jointed appentages
C. Underdeveloped appendages D. Absence of appendages E. The presence of flame cells
93. Which of the following reptiles has four champered heart ?
A. turtle B. Sphenodon C. King cobra D. Calotes E. Crocodile
94. An animal having unsegmented coelomated and radially symmetrical body with distinct oral and aboral
surfaces is member of
A. Echinodermata B. Mollusca C. Annelida D. Arthropoda E. Porifera
95. A fat called blubber could be obtained from
A. Dolphin B. Porpoises C. Bats D. Blue whale E. Shark
96. Which one of the following is not a member of the group called Eutheria ?
A. Mole B. Squirrel C. Pangolin D. Gorilla E. Platypus
97. The permanent decrease in population number occurs due to
A. Migration B. Emigration C. Natality D.Territoriality E. Mortality
98. The relationship between two organisums in which one obtains some benefit at the expense of the other is
called A. Parasitism B. Predation C. Symbiosis
D. Scavenging E. Commensalism
99. " The grass Lands in Asia are known as
A. Steppes B. Veldt C. Pampas D. Prarries E. Savanch
100. The factors involved in the formation of new species are
A. Isolation and mutation B. Isolation and competition C. Competitions and mutations
D. Competation and variations E. Isolation and variation
101. Under the anaerobic conditions denitrifying bacteria such as Pseudomonas could convert
A. Nitrates to ammonia B. Nitrites to nitrates C. Nitrates to molecular nitrogen
D. Nitrates to nitrites E. Molecular nitrogen to nitrates
102. On the earth the amound of carbon fixed by photosynthesis is nearly
A. 7 X 1013gper year B. 7 X 1013kg per year C. 70 X 1013 kg per year
D. 7 X 1010 kg per year E. 7 X 1024 kg per year