1. In the life cycle of many animals, only sperm and eggs have

A. Diploid number of chromosomes

B. Triploid number of chromosomes

C. Haploid number of Chromosomes

D. Polyploid number of chromosomes

2. The nuclei of somatic cells undergo mitosis, a nuclear division in which the number of chromosomes gets

A. Doubled

B. Tripled

C. Remains same

D. Half

3. Photoautotrophic microorganisms are:

A. Cyanobacteria

B. Purple nonsulfur bacteria

C. Green sulfur bacteria

D. Nitrifying bacteria

4. This hormone is responsible for a raise in blood glucose level:

A. Oxytocin

B. Epinepherin

C. Insulin

D. Prolactin

5. The overall reaction for photosynthesis is:

A. 6CO2+ 6H2O energy C3H6O3 6O2

B. 3CO2 6H2O energy C6H12O6+ 6O2

C. 6CO2 6H2O energy C6H12O6+ 6O2

D. 6CO2+ 3H2O energy C61206+ 6O2

6. What is acetyl-CoA split into in the Krebs cycle?

A. Hydrogen and Oxygen

B. Oxygen and Carbon

C. Carbon dioxide and hydrogen

D. Carbon and hydrogen

7. This hormone support sperm formation:

A. Thymosin

B. Follicle Stimulating Hormone

C. Luteinizing Hormone

D. Androgen

8. Which one of them is a monosaccharide:

A. Sucrose

B. Lactose

C. Fructose

D. Maltose

9. If 4.2J of heat is lost by 1 g of water to cool it by how much heat will be lost by 3g of water to cool from 80°C to 10°C:

A. 294.0 J

B. 588.0 J

C. 882.0 J

D. 210.0 J

10. Velocity of light in vacuum is approximately equal to:

A. 3x10 10 cms-1

B. 3x10 8 cms-1

C. 3x10 6cms-1

D. 3xl0 l0ms-1

11. Three coplanar vectors are expressed with respect to a certain rectangular co-ordinate system of a given reference frame a c=-3j. The value of vector "r",which is sum of these vectors is:

A. i-2j

B. 2i-j

C. 2i-2j

D. i-j

12. The coordinate systems i.i=j.J=k.k=l, i.j j.k=k.i=0, ixi=jxj=kxk and kxi=j jxk=-i. Which one of them is incorrect?

A.

B.

C.

D.


13. A body is dropped from rest and falls freely (the value of gravitational pull, g=980cm/s2). The position and speed after 1 second is:

A. 490cm, -980cm/sec

B. 490cm, 980cm/sec

C. 980m, -980m/sec

D. 980m, 980m/sec

14. A convex mirror has a radius of curvature of 20cms. If a point source is placed 14cms away from the mirror, the image formed will be at:

A. 8.5cm

B. -8.5cm

C. 5.8cm

D. -5.8cm

15. Two thin lenses of focal length, f1 and f2 are in contact. What is their combined focal length,f:

A. f1xf2/f1+f2

B. f1+f2/f1xf2

C. f1-f2/f1xf2

D. -f1xf2/f1+f2

16. The three fundamental particles of the atom are:

A. Nucleus, Electrons, Neutrino

B. Nucleus, Positrons, Neutrino

C. Protons, Nucleus, Mesons

D. Nucleus, Protons, Electrons


17. Electrolysis of water, to break down a water molecule into Hydrogen and Oxygen is an example of:

A. Simple displacement reaction

B. Double decomposition reaction

C. Decomposition reaction

D. Synthesis or direct combination reaction

18. The number of chromosomes in human is

A. 42+XX or XY

B. 44+XX or XY

C. 40+XX or XY

D. 41+XXorXY

19. Which one of the following does not have net dipole moment?

A. Carbon tetrachloride

B. Carbon trychloride

C. Carbon Dichloride.

D. Carbon monochloride

20. The doubling time of the bacteria E.coli is 20mins. How many bacteria are present at the end of 2 hours, if you start with 1,000 bacteria?

A. 32,000

B. 128,000

C. 16,000

D. 64,000

21. The ultimate source of energy for ecosystems is and this energy is passed from plants to animals.

A. Chemical Energy

B. Solar Energy

C. Mechanical Energy

D. Potential Energy

22. Insulin action

A. Inhibits glucose uptake in Liver

B. Stimulates glucose uptake in Muscle

C. Stimulates lipid break down in Adipose tissue

D. Stimulates gluconeogenesis in Liver

23. Monomers of Polysaccharides, Proteins, Nucleic Acids and Fats are in the order of:

A. Nucleotides, Amino Acids, Fatty Acids, Sugars

B. Amino Acids, Fatty Acids, Sugars, Nucleotides

C. Sugars, Fatty Acids, Amino Acids, Nucleotides

D. Sugars, Amino Acids, Nucleotides, Fatty Acids

24. Isotopes are different forms of the same element differing in the number of:

A. Electrons

B. Protons

C. Neutrons

D. Mesotrons

25. The process of destroying foreign particles entering into the body is known as:

A. Phagocytosis

B. Haemolysis

C. Exocytosis

D. Catalysis

26. Before nuclear division occurs, the following event takes place

A. Transcription

B. Translation

C. Replication

D. Apoptosis

27. Mitosis has four phases in the following order: telophase, metaphase, prophase, anaphase

A.

B.

C.

D.

28. During cellular respiration, the breakdown of glucose into carbon dioxide and water, occurs in

A. Chloroplast

B. Golgi bodies

C. Endoplasmic reticulum

D. Mitochondria

29. Glycolysis is the breakdown of glucose into

A. Citrate

B. Pyruvate

C. Succinate

D. Malate

30. Fermentation is an process.

A. Anaerobic

B. Aeorobic

C. Oxidation

D. Reduction

31. Pepsin is active at this pH.

A. 7.0

B. 2.5

C. 8.7

D. l1.4

32. Which one of this vitamin is essential for the synthesis of blood coagulation factors in liver?

A. Vitamin A

B. Vitamin C

C. Vitamin D

D. Vitamin E

33. One of the environmental effects of "Green House Gas" is:

A. An increase in the temperature

B. An increase in rainfall

C. An increase in atmospheric pressure

D. An increase in Oxygen production

34. Which one of this amino acid is essential amino acid?

A. Tyrosin

B. Proline

C. Isoleucine

D. Serine

35. The process of forming of glucose from non-carbohydrate substrates called:

A. Glycogenolysis

B. Glycolysis

C. Gluconeogenesis

D. Glycogenesis

36. The hormone responsible for glycogen breakdown is:

A. Oxytocin

B. Glucagon

C. Insulin

D. Prolactin

37. The four main elements in the human body are

A. sulphur, nitrogen, oxygen and hydrogen

B. carbon, nitrogen, oxygen and hydrogen

C. carbon, sulphur, nitrogen and hydrogen

D. carbon, sulphur, oxygen and hydrogen

38. Fat Soluble vitamins are:

A. Vit.C&Vit.B

B. Vit.B&Vit.D

C. Vit.C&Vit.E

D. Vit.D&Vit.E


39. A rare bleeding disorder in which blood doesn't clot normally known as

A. Haemophilia

B. Diabetes

C. Anaemia

D. Leukaemia

40. Which of the following are homozygous and heterozygous genotypes respectively

A. TT and tt

B. Tt and tt

C. TT and Tt

D. Tt and Tt

41. Insulin is secreted by these cells:

A. Alpha Cells

B. Epithelial cells

C. Goblet cells

D. Beta cells

42. Which of the following is the richest source of energy in our diet?

A. Proteins

B. Fats and oils

C. Carbohydrates

D. Fibre

43. The freezing point of water is:

A. 0°F

B. l00°F

C. 32°F

D. 212°F

44. A 1M solution ofNaCl, having a molecular weight of 58.5, in 100ml will contain....grams of NaCl:

A. 58.5

B. 40.0

C. 5.85

D. 4.0

45. The horizontal rows in a periodic table are called:

A. Groups

B. Classes

C. Periods

D. Types

46. Two elements electrons to form an ionic bond:

A. Borrow

B. Share

C. Exchange

D. Polarize

47. Heat is absorbed in:

A. Endothermic reaction

B. All chemical reaction

C. Exothermic reaction

D. Substitution reactions

48. All the four Sp3 hybrid orbital's are:

A. Expected

B. Rotate

C. Catenation

D. Denerate

49. The dimensional equation of acceleration is:

A. ML2T-2

B. MLT-2

C. M0LT-2

D. ML-1T-2

50. A force is called conservative if the work done by the force on a particle that moves through any trip is:

A. 1

B. 2

C. 0

D. Infinite

51. A body of 2Kg mass makes an elastic collision with another body at rest and afterwards continues to move in the original direction but with one fourth of its original speed. What is the mass of the struck body:

A. 2Kg

B. 4Kg

C. 6Kg

D. 8Kg

52. A 4Kg block extends a spring 16cm from its un stretched position. What is the stretching co-efficient of the spring:

A. 25 Nt/m

B. 2.5 Nt/m

C. 2.5 Nt/cm

D. 0.25 Nt/m

53. The lowest and the highest pitch detectable by human ear is 20 vib/sec and 20,000 vib/sec. What is the wavelength of sound in the air (speed of sound in air is

A. 1650cm, 1.65cm

B. 1.65cm, 1650m

C. 165cm, 16.5cm

D. 165cm, 165cm

54. A stone is dropped into the well. The sound of the splash is heard at a time t=3sec. What is the depth of the well:

A. 990m

B. 110m

C. 330m

D. 990cm

55. The images formed by convex and concave lenses are:

A. real and virtual

B. virtual and real

C. virtual and virtual

D. real and real

56. Which gas in the atmosphere protects us from the harmful effects of the UV rays from Sun?

A. Carbon Dioxide

B. Oxygen

C. Ozone

D. Nitrogen

57. A 10% percent Glucose solution in 100ml will have:

A. 18grams of Glucose

B. 100grams of Glucose

C. 180grams of Glucose

D. 10grams of Glucose

58. Lengthening of long bones in humans occurs in a particular area of the bone. This area is called the:

A. medullary canal

B. cancellous bone

C. periosteum

D. epiphysis

59. The sugar present in RNA molecule

A. Ribose

B. Rehanose

C. Deoxyribose

D. Glucose

60. The human blood genetic disease in which the red blood cells have an abnormal shape is called

A. Anemia

B. Pneumonia

C. Insomnia

D. Sickle cell Anemia

61. Color blindness is an

A. Autosomal genetic disorder

B. X chromosome linked genetic disorder

C. Mitochondrial genetic disorder

D. Autosomal recessive genetic disorder

62. The blood group of a human with neither antigens is

A.

B.

C.

D.

63. Klienfelter syndrome has the genetic makeup:

A. 44 autosomes+xxy

B. 44 autosomes+xo

C. 45 autosomes+xy

D. 45 autosomes+xy

64. Non coding sequences present within a gene is called

A. Exon

B. Operon

C. Promoter

D. Intron

65. The optimum pH value for pancreatic lipase is

A. 9.00

B. 7.00

C. 8.00

D. 10.00

66. The detachable co-factor of an enzyme is called as

A. Aquous

B. Activator

C. Apoenzyme

D. Catalytic

67. In urea cycle one molecule of Amonia and one molecule of C02 combine with one molecule of ornithine to form:

A. Arginine

B. Citrulline

C. Urea

D. Arginosuccinate

68. Ammonia is secreted by most

A. Bony fishes

B. Adult amphibians

C. Organism that produces shelled eggs

D. Insect

69. The sum of all the chemical reaction that occur in the body is known as

A. Catabolisim

B. Metabolism

C. Anabolism

D. Embolism

70. Which of the following is a protein

A. Cholesterol

B. ATP

C. Sucrose

D. Cellulase

71. The centromeric position divides chromosomes into

A. 2

B. 6

C. 3

D. 4

72. Gene therapy is used to repair a

A. Effective gene

B. Expressive gene

C. Faulty gene

D. Suppressive gene

73. The nuclear energy is derived by splitting the nucleus of

A. Radioactive element

B. Radioactive substance

C. Radioactive cell

D. Radioactive atom

74. Fungi can absorb the food from substrate by:

A. Ascespores

B. Conidia

C. Rhizoids

D. Sporangiophores

75. Which one of this vitamin is responsible for proper utilization of calcium and phosphorus?

A. Vitamin D

B. Vitamin A

C. Vitamin E

D. Vitamin C