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1) Sebum produced from sebaceous glands in a mammal helps in___________? a. Protection against micro organisms b. Temperature regulation c. Excretion d. All of these
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2) Which one is not found in fatty acids in acylglycerols____________? a. C-6 b. C-25 c. C-26 d. C-30
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3) The one that stores calcium is __________? a. Sarcolemma b. Sarcoplasm c. Sarcoplasmic reticulum d. Cytosol
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4) Which one of the following is most likely to occur in an animal during winter? a. Activation of sweat glands b. Dilation of skin blood vessels c. Panting d. Thermogenesis
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5) In esterification OH comes from_______________? a. Organic acid b. Alcohol c. Water d. Sugar
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6) How many carbon atoms are required to form a furan ring (ribofuranose)_____________? a. 3 b. 4 c. 5 d. 2
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7) Sleep movements are a type of___________? a. Turgor movements b. Growth movements c. Tactic movements d. Paratonic movments
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8) Keto group is represented as___________? a. CO b. C-COO-C c. HCOH d. HOH
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9) The type of learning in which there is loss or decrease in response to repeated stimuli? a. Imprinting b. Habituation c. Latent learning d. Insight learning
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10) Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell? a. Extracellular b. Intracellular c. Both of these d. Glucose
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11) The cells present in testes and secrete testosterone are___________? a. Sertoli cells b. Germinal cell c. Interstitial cells d. Spermatocyte
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12) In Cx(H2O)y x ranges from______________? a. 1 to 3 thousand b. 3 to many thousand c. 3 to 5 thousand d. 5 to 9 thousand
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13) Exposure to low temperature stimulates plants to flower. This is called___________? a. Photoperiodism b. Thermotropism c. Vernalisation d. Thermoregulation
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14) The basic structural unit of a chromosome is____________? a. The centromere b. Nuceleosome c. Telomere d. Histone
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15) In living organisms the lubricant which provides protection against damage resulting from friction is___________? a. Carbohydrates b. Fatty acid c. Water d. Protein
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16) The first stage of development in which a cavity appears is the__________? a. Neurula b. Morula c. Gastrula d. Balastula
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17) The trioses which are intermediate in respiration and photosynthesis are_______________? a. Glyceraldehydes b. Dihydroxy acetone c. Both of these d. None of these
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18) The one which causes contraction of wall of the uterus during and after birth? a. ADH b. MSH c. Oxytocin d. Progesterone
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19) The monosaccharide found in some bacteria and occurring rarely are______________? a. Trioses b. Hexoses c. Tetroses d. Pentoses
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20) Which statement correctly describes the transcription of DNA? a. It produces another DNA molecule b. It produces mRNA c. It is a semi conservation process d. It occurs at surface of ribosomes
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21) Triglyceride is also known as_____________? a. Natural lipid b. Neutral lipid c. Neutral wax d. All of these
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22) Carbon commonly combines with______________? a. H b. N & O c. P & S d. All of these
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23) The sequence of 3 bases on tRNA which is complementary to condon of mRNA is called____________? a. Gene b. Anticodon c. Code d. Codon
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24) The survival of an animal depends upon its ability to take some from its environment____________? a. Chemicals b. Hydrocarbons c. Organic molecules d. Inorganic molecules
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25) In humans the number of tetrads formed during mitosis is___________? a. 23 b. 46 c. 0 d. 4
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26) Non polar organic molecules are ___________ in water? a. Soluble b. Insoluble c. Partially soluble d. Depends upon condition
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27) Interconversion of carbohydrates proteins and lipids in living cells are an example of____________? a. Coordinated catabolic activities b. Coordinated anabolic activities c. Both A and B d. Any one
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28) Which one of the following is correct sequence of stages of prophase 1 of meiosis a. Diakinesis diplotene pachytene leptotene zygotene b. Zygotene leptotene pachytene diplotene diakinesis c. Leptotene zygotene pachytene diplotene diakinesis d. Pachytene leptotene diplotene zygotene diakinesis
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29) Which one of the following syndrome is the result of meiotic non dysjunction? a. Klinefelters syndrome b. Turners syndrome c. Downs syndrome d. All of these
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30) Which one of the following stage preceeds mitosis during cell cycle? a. G1 phase b. S phase c. G2 phase d. M phase
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31) Most of the cellular secretions are ________ in nature? a. Glycolipids b. Glycoproteins c. Nucleohistones d. Proteins
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32) The red green color blindness is sex linked recessive condition in man. A father with normal vision and a color blind mother world expect to produce. a. Color blind sons and daughter with normal vision b. Sons with normal vision and color blind daughters c. Color blind sons colour blind daughters and daughters with normal vision d. Sons with normal vision colour blind daughter and daughters with normal vision
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33) Genes will not be found in gene pairs in the_____________? a. Muscle cell of worm b. Uterine cells of dog c. Sperm cells of frog d. Guard cells of leaf
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34) rRNA constitutes ____________% of the total cellular RNA? a. 3-4 % b. 10-20% c. 80% d. 90%
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35) A genome is___________? a. Appearance of an individual b. Genetic basis of few characters c. Full set of genes of an individual d. All of these
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36) Which conjegated molecules play important role in gene expression___________? a. Glycolipids b. Glycoproteins c. Nucleohistones d. None of these
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37) There are mainly __________ types of tRNA? a. 170 b. 20 c. 25 d. 15
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38) The discease in which transmembrane carrier for the chloride ion is not produced is__________? a. Hyperchloesterolemia b. Cystic fibrosis c. Severe combined immunodeficiency syndrome d. AIDS
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39) The one which is a weed killer is___________? a. IAA b. NAA c. 2 4-D d. GA
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40) Five kingdom classification was proposed by_____________? a. Carlous Linnaeus b. E-Chatton c. Robert Whittaker d. Lynn Margulis and Karlene Schwartz
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41) Organisms of which of the following kingdom have absorptive mode of nutrition______________? a. Prokaryotae b. Protoctista c. Animalia d. Fungi
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42) Which of the Euglenas (a Protoctista) character resembles that of animals______________? a. They can move b. They lack cell wall c. They do not have chlorophyll d. Both a and b
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43) The one which can break open a plasmid ring is__________? a. Ligase enzyme b. Primase enzyme c. Restriction endonuclease d. ATP-ase enzyme
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44) According to Lamarch evolution occurred as the result of__________? a. Natural selection b. The theory of recapitulation c. Inheritance of acquired characters d. Over production
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45) Allium cepa is the scientific name of______________? a. Onion b. Amaltas c. Potato d. Tomato
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46) Which of the following category is most general with its members lest resembling with each other than the other categries_____________? a. Species b. Genus c. Family d. Order
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47) The first eukarotes appeared about __________ years ago? a. 1.5 billion b. 2.5 billion c. 3.5 billion d. 4.5 billion
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48) Those organisms which can prepare their own food from simple inorganic material and can store energy are called___________? a. Autotrophs b. Heterotrophs c. Procariotique d. Eu-cariotique
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49) Solanum tuberosum is a scientific name of___________? a. Onion b. Amaltas c. Potato d. Tomato
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50) The structure which has been formed or modified from gill pouches in humans is___________? a. Gills b. Eustachian tube c. Middle ear d. Lungs
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