#1
August 14th, 2014, 02:57 PM
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Question Papers for Maharashtra State SET Life Sciences Exam
Give me question paper for Maharashtra State Eligibility Test for Lectureship (SET) Life Sciences subject examination ?
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#2
August 14th, 2014, 03:39 PM
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Re: Question Papers for Maharashtra State SET Life Sciences Exam
Here I am giving you question paper for Maharashtra State Eligibility Test for Lectureship (SET) Life Sciences subject examination....... 1. In a tissue, cells interact through a structure is called : (A) Hemi-desmosomes (B) Desmosomes (C) Desmoplakin (D) Gap junction 2. Immunoglobulin heavy and light chains undergo structural modifications after antigen stimulation is called : (A) hypermutation (B) somatic recombination (C) somatic mutation (D) allelic exclusion 3. Which of the sub-classes of antibodies are found in blood serum and secretions ? (A) IgG1, IgG4 (B) IgG2, IgG3 (C) IgA1, IgA2 (D) IgG1, IgG3 4. The membrane enclosing the main vacuole of a cell is termed : (A) tonoplast (B) chloroplast (C) amyloplast (D) elaioplast 5. Maturation promoting factor (MPF) of oocytes is also known as mitosis promoting factor. Which of the following represents MPF ? (A) Cyclin A—cdk 1 (B) Cyclin B—cdk 4 (C) Cyclin B—cdk 1 (D) Cyclin D—cdk 6 6. Which of the following intermediate filament proteins is present in animal cells ? (A) Desmin (B) Vimentin (C) Lamin (D) Keratin 7. Dosage compensation in Drosophila is characterized by : (A) alteration of transcription rates of X chromosome in male (B) heterochromatinization of X chromosome in female (C) absence of chromocenter in males (D) induction of puffs on polytene chromosomes 8. In bacterial protein synthesis, the initiating amino acid is : (A) N-formyl methionine (B) Methionine (C) Glutamic acid (D) Cysteine 9. In Escherichia coli the trp operon is regulated by : (A) Attenuation (B) Repression (C) Induction (D) Attenuation and repression 10. DNA and RNA synthesis differs from each other with respect to the requirement of : (A) Template (B) Polymerase (C) Primer (D) Phosphodiester bond formation 11. Which of the following fatty acid is a precursor for prostaglandin biosynthesis ? (A) Arachidonic acid (B) Valeric acid (C) Palmitic acid (D) Linolenic acid 12. What will be the pH of acetateacetic acid buffer, when the ratio of [acetate]/[acetic acid] is 10 ? (Given pKa = 4.76) (A) 3.76 (B) 4.76 (C) 5.76 (D) 2.76 13. During amino acid metabolism amino groups are excreted in mammals in the form of : (A) Ammonia (B) Urea (C) Uric acid (D) Glutamate 14. Which of the following coenzymes is not involved in group transfer ? (A) Lipoic acid (B) TPP (C) Coenzyme A (D) NAD+ 15. Xerophthalmia is caused by deficiency of : (A) Vitamin A (B) Vitamin D (C) Vitamin K (D) Vitamin C 16. Which of the following terms is used for the salt tolerant plants genetically adapted to salinity ? (A) Glycophytes (B) Halophytes (C) Mesophytes (D) Hydrophytes 17. The pH of acid in stomach can be lowered by using .................. pump. (A) Gastric Na+/K+ ATPase (B) Gastric H+/K+ ATPase (C) Calcium ATPase (D) Lactose permease 18. Cyclic GMP is a secondary messenger for : (A) atrial natriuretic hormone (B) parathormone (C) somatostatin (D) prolactin 19. During seed development, embryo becomes tolerant to dessication and the seed dehydrates due to the presence of : (A) Indole acetic acid (B) Kinetin (C) Polyamines (D) Abscisic acid 20. Which of the following is not a feature of magetotactic bacteria ? (A) Have magnetosomes containing Fe3O4 or Fe3S4 (B) Are motile, gram negative (C) Are highly aerobic (D) Have magnetosomes arranged linearly across long axis of the cell 21. Which of the following statements about fertilization is wrong ? (A) It restores diploid chromosomal number (B) It results in formation of the first polar body (C) Polyspermy is prevented by the zona reaction (D) It determines the genetic sex of the zygote 22. A human male carrying an allele for a trait on the X chromosome is : (A) hemizygous (B) homozygous (C) heterozygous (D) monozygous 23. In X-linked recessive inheritance : (A) most affected individuals are female (B) the trait does not skip generations (C) the daughters of affected father should be affected (D) the sons of affected females should be affected 24. The common type of duplication generates : (A) a second copy of the gene in close proximity of the first copy (B) a second copy of the gene in a distant location on a same chromosome (C) a second copy of the gene on a different chromosome (D) any of the above situations with equal probability 25. Satellite DNAs are not typically found within which of the following parts of a chromosome ? (A) Heterochromatin (B) Euchromatin (C) Telomeres (D) Centromeres 26. In a paternity dispute a woman with blood group AB claimed that one of four men, each with different blood types, was the father of her child. If the blood group of child is A then the blood group of the father can be : (A) A (B) A or O (C) B (D) A, B, O, AB 27. A hypothetical organism has six chromosomes (2n = 6). How many different combinations of maternal and paternal chromosomes can appear in the gametes ? (A) 8 (B) 12 (C) 36 (D) 6 28. Silent mutation : (A) creates a premature stop codon (B) substitutes one amino acid for a different amino acid with similar properties so it does not affect protein function (C) changes only one DNA base in a codon without changing the amino acid sequence (D) occurs outside protein coding region in the 5′ and 3′ untranslated region and thus does not affect protein function 29. Which one of the following is a deuterostome phylum ? (A) Porifera (B) Cnidaria (C) Mollusca (D) Hemichordata 30. The “Serial Endosymbiosis” theory was proposed by : (A) Alfred Wegener (B) Thomas Cavalier-Smith (C) Lynn Margulis (D) Robert Whittaker 31. The “thermal proteinoid” theory explaining the origin of life was proposed by : (A) Woese, Crick and Orgel (B) Sidney Fox (C) Stanley Miller and Harold Urey (D) David Deame and Joan Oro 32. A species inhabiting different geographical areas is called : (A) sibling species (B) ecotypes (C) sympatric (D) allopatric 33. In a genetically polymorphic population, balancing selection is concerned with successful reproduction of .......................... individuals. (A) homozygous recessive (B) heterozygous (C) homozygous dominant (D) both homozygous recessive and dominant 34. During evolution, genetic drift occurs in a : (A) Mendelian population (B) Large population (C) Large population in an island (D) Small population 35. The population genetic models that show how genetic variation is retained in Mendelian inheritance was proposed by : (A) Hardy and Weinberg (B) Darwin (C) Kimura (D) Wallace 36. Mangroves are ecologically important because : (A) They are evergreen (B) They provide nurseries for many marine organisms (C) They harbour mosquitoes and spread diseases (D) They are medicinally useful 37. Ozone pollution is indicated by leaves of plants in the form of : (A) Intercostal bronzing (B) Minute chlorotic dots (C) Tip and margins browning (D) Watery film on epidermis 38. The growth curve of a species flattening into a plateau of population indicates : (A) Decrease of growth rate (B) Equality of growth and death rates (C) Increase in death rate (D) Progress of the species towards extinction 39. Presence of Escherichia coli in water indicates : (A) Faecal pollution (B) Chemicals in water (C) Pesticides in water (D) Oil pollution 40. Aquatic ecosystems are of two types : lentic and lotic. Which one of the following is not lotic ? (A) Stream (B) River (C) Flowing water (D) Lake 41. A phosphate cycle is known as cycle of a limiting nutrient in nature. Phosphate is made available to biotic components of an ecosystem by : (A) water (B) rocks and soil (C) biological fixation (D) a symbiotic process 42. Acid rain is caused due to which of the following air pollutants : (A) Oxides of nitrogen (B) Sulfur dioxide (C) Carbon dioxide (D) Oxides of nitrogen and sulfur dioxide 43. The microorganism involved in making of blue cheese is : (A) Pseudomonas aeruginosa (B) Blue Green cyanobacteria (C) Penicillium roquetortii (D) Aspergillus flavus 44. Which of the following represents a direct use of biodiversity ? (A) Nutrient cycling (B) Pest-control (C) Photosynthesis (D) Biological control 45. A lineage which occupies an adaptive zone which is different in some ways from any other lineage in its range and which evolves separately from all lineages outside its range denotes : (A) Biological species (B) Recognition species (C) Ecological species (D) Phylogenetic species 46. Ramsar Convention on Wetlands of International Importance was adopted in : (A) 1987 (B) 1981 (C) 1971 (D) 1970 47. Gulf of Mannar and Nilgiris in India are : (A) Biosphere Reserves (B) Sanctuaries (C) World Heritage Sites (D) National Zoological Parks 48. Characteristics that have arisen as a result of common evolutionary descent are said to be : (A) analogous (B) heterologous (C) homogeneous (D) homologous 49. A group of organisms at any particular level in a system of classification is called a : (A) Species (B) Genus (C) Taxon (D) Class 50. Certain responses in bacteria are strictly dependent upon microbial population size. This is described as : (A) Quorum sensing behaviour (B) Social behaviour (C) Growth-controlling behaviour (D) Chemotactic behaviour |
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