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1) Production of pyrogens is a __________ phenomenon? a. Protective b. Destructive c. Constructive d. Aggressive
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2) Thermostat of human body is present in__________? a. Fore brain b. Hind Brain c. Thalamus d. Hypothalamus
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3) Which of the following structure in plant’s body is called excretophores? a. Stem b. Leaves c. Flowers d. Roots
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4) The characteristic which enable animals to tolerate dehydration is called__________? a. Osmoconformation b. Osmoregulaton c. Anhydrobiosis d. Anhydrosis
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5) Which of the following fishes excrete large volume of diluted urine? a. Bony Marine fishes b. Fresh water fishes c. Both depending upon the surrounding water d. None of these
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6) Rose is an example of____________? a. Hydrophytes b. Mesophytes c. Xerophytes d. Halophytes
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7) In a hot summer after noon, if your body’s Homeostatic machinery keep your internal temperature quite lower than that of external than this is an example of____________? a. Positive feed back b. Negative feed back c. Feed back d. Osmoregulation
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8) Marine fish can keep their internal environment hypertonic with respect to the surrounding salty water by retaining. a. Excessive urea which will increase their internal solute concentration and prevent body shrinkage in hypertonic environment b. Trimethyl alanine c. Ammonia d. Trimethylamine oxide
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9) Terrestrial animals like kangaroo rat survive even without drinking water since__________? a. They don’t require water for their metabolic process b. They can retain excessive water in their body during raining season c. They feed on carbohydrate rich seeds which can provide them with metabolic water d. They are anhydrobiotic organisms
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10) Aquatic animals excrete nitrogenous waste commonly in the form of_____________? a. Ammonia b. Urea c. Uric acid d. Trimethylamine oxide
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11) Protonephridia are present in____________? a. Round worms b. Flateworm c. Tape worms d. Segmented worms
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12) Which of the following constituent is/are maximum in the filtrate that leaves proximal convoluted tubules? a. Glucose b. Amino acids c. Nitrogenous waste d. All of these
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13) Which of the following mechanism explains development of anemia in Renal failure? a. Failure of bone marrow is accompanied with renal failure b. Destruction of RBC results from accumulated urea in the blood c. Chronicity of the disease is respobsible for anemia d. Failure of proper RBC synthesis, due to lack of chemical stimulation
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14) Which adaptation is acquired by plants of cooler areas to prevent lipid crystal formation in cell membrane? a. Change in membrane protein composition b. Change in the solute composition of the cell membrane which prevents crystallization c. Increase in proportion of unsaturated fatty acids d. Development of heat shock proteins
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15) Which of the following statement about Homeostasis is incorrect? a. There is a definite control system that regulates the homeostatic activities b. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment c. Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment d. All are correct
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16) Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss? a. Hagfish b. Fresh water fishes c. Bony fishes d. None of these
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17) Normal body temperature in mamals like human beings is____________? a. 26 – 28°C b. 36 – 38°C c. 46 – 48°C d. 56 – 58°C
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18) In osmosis water molecules move from area of _____________ through semipermeable memberane? a. Higher solute concentration to lower solute concentration b. Lower solute concentration to higher solute concentration c. Lower solvent concentration to higher solvent concentration d. All of these
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19) Which of the following is most toxic? a. Ammonia b. Urea c. Uric acid d. Trimethylamine oxide
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20) In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea. a. 1 b. 2 c. 3 d. 4
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21) Which of the vascular channels are related to Juxtramedullary nephrous only? a. Afferent and efferent arterioles b. Peritubualr capillaries c. Vasa nervosa d. Vasa recta
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22) A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone? a. Kidney surgery b. Burring a hole and removing the stone manually (nephrolithotomy) c. Extracorporeal Shock wave lithotripsy d. None of these
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23) Bats & humming birds belong to___________? a. Endotherms b. Ectotherms c. Heterotherms d. Homeotherms
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24) Thick, waxy & leathery cuticle around leaves is present in___________? a. Hydrophytes b. Mesophytes c. Xerophytes d. Halophytes
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25) Which of the following animal excrete nitrogenous waste mainly as uric acid? a. Hydra b. Planaria c. Humans d. Birds
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26) Which of the following openings have cilia? a. Nephrostome b. Nephridiopore c. Both of these d. None of these
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27) Malphighian tubules absorb waste materials and salts from__________? a. Blood b. Lymph c. Gut d. Hemolymph
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28) Which of the following filtrate contains excessive amount of amino acids, glucose, and salts? a. Glomerular filtrate b. Filtrate passing through ascending limb c. Filtrate passing through distal conveluted tubule d. Filtrate passing through collecting tubules
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29) Mammalian kidney, under restricted water supply can conserve water by over ________ % reabsorption of glomerular filtrate a. 80.50% b. 90.50% c. 95.50% d. 99.50%
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30) The nephridia of earthworm open into the coelom by_________? a. Nephrostome b. Nephridiopore c. Flame cell d. Anus
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31) Nephrostome in earthworm opens in____________? a. External space b. Internal Body cavity c. In gut d. In Bladder
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32) Scolidon or dog fish belong to the group of fishes called__________? a. Cartilaginous fishes b. Bony fishes c. Running fishes d. Jawless fishes
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33) They are considered to be the most primitive and are surely the first of the vertebrates? a. Frogs b. Reptiles c. Amphibinas d. Jawless fishes
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34) Sub- phylum vertebrate is also known as__________? a. Pisces b. Craniata c. Aves d. Amphibia
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35) The phylum chrordata comprise about how many species? a. 25,000 b. 50,000 c. 100,000 d. 10,00,000
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36) It is stiff rod of special cells surrounded by connecive tissue present in the mid -dorsal region and appears in the embryos of all chordates a. Placenta b. Notochord c. Cranianta d. Ligule
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37) Snails belong to__________? a. Cephalopodsxc b. Gastropods c. Bivalves d. Athropods
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38) In mouth cavity of many molluscs there is a rasping tongue like structure_________provided with many horny teeth. a. Ligule b. Radula c. Mantle d. Muscle
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39) All insects have how many parts of legs? a. 4 b. 2 c. 3 d. 6
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40) In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________? a. Endodermis b. Mesophyll c. Chitin d. Epidermis
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41) In many which phylum the body of an organisms is usually divided in there regions called head, thorax and abdomen? a. Arthropods b. Chordata c. Annelida d. Echinodermata
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42) In man which organisms cause abscesses on the skin of arms or legs? a. Ascaris b. Bacteria c. Ring worm d. Suinea worm
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43) Chitin in cockroach is absent in____________? a. Epicuticle b. Exocuticle c. Endocuticle d. All of these
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44) Melanin pigment in cockroach is found in__________? a. Epicuticle b. Exocuticle c. Endocuticle d. All of these
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45) The bristles on the body of the cockroach arise from__________? a. Epidermis b. Trichogen cell c. Basement membrane d. Malpighian cell
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46) The wax present on the body of cockroach is secreted: a. Mucocytes b. Leucocytes c. Oenocytes d. Granulocytes
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47) Which organisms are sometimes called the ” pastures of the sea”? a. Diatoms b. Radiolarians c. Dinoflagellates d. Foraminiferans
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48) Diatoms belong to___________? a. Chrysophyta b. Bacillariophyceae c. Xanthophyceae d. Both A. and B.
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49) Which one of the following is representing the group of diatoms? a. Pinnularia, Navicula, Cymbella, Melosira b. Euglenamorpha, Hedneria , Heteronema, Colacium c. Nostoc, Anabaena, Aulosira, Cylindrospermum d. Cochlodinium, Gymnodinium, Lenodinium, Peridinium
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50) Diatoms are found in__________? a. Phytoplanktonic population b. Freshwater lakes and ponds c. Marine environment d. All of the above
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