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MULTIPLE CHOICE QUESTIONS

1. The biological functions which perform gaseous exchange:
a) Photosynthesis b) Both a & b. c) Respiration d) Growth
2. Plants do exchange of gases through:
a) Roots b) Stem. c) Stomata d) All of these
3. Each stoma is formed by:
a) One guard cell b) Three guard cells. c) Two guard cells. d) Four guard cells
4. Respiratory surface possesses following property:
a) Thin and wet. b) Very large. c) Permeable d) All of these
5. Inspiration involves:
a) Concentration of intercostals muscles c) Inward movement of ribs
b) Concentration of diaphragm. d) Both a & b
6. Larynx is located on:
a) Lungs b) Bronchus. c) Trachea d) Bronchiole
7. The respiratory surface of human is:
a) Nostril. b) Alveoli. c) Bronchiole d) Trachea
8. Increase in rate of breathing is due to the following:
a) Increase CO2 in blood c) Decrease CO2 in blood
b) Increase O2 in blood d) Decrease O2 in blood
9. Drugs for treatment of rheumatoid arthritis can be obtained from:
a) Animals b) Minerals c) Plants d) Microorganisms
10. Drugs that slow normal brain functioning are categorized as:
a) Narcotics. b) Marijuana c) Hallucinogen. d) Sedatives
11. Vaccination can be administered:
a) After infection. b) During infection. c) Before infection. d) All are correct
12. The substance which inhibit the growth of bacteria can be considered as:
a) Vaccine b) Bacteriostatic. c) Bactericidal d) Antibiotics
13. Haris is addicted to a drug, which left the following affect on Haris:
i. Blurred vision
ii. Making unseen faces in imagination
iii. Euphoria
Identify the drug, to which Haris is addicted?
a) Narcotics. b) Antibiotics. c) Hallucinogen d) Antiseptic
14. Which one is not the effect of misuse of antibiotics?
a) Diarrhea b) Stomach upset. c) Immunization d) Antibiotic resistance
15. The bread dough rises during alcoholic fermentation is due to:
a) Methyl alcohol. b) Ethyl alcohol. c) CO2 d) H2O
16. The container use to grow bacteria on large scale are called:
a) Chillers b) Fermenters. c) Sterilizers d) Ferments
17. Naturally occurring enzyme used as a defense chemical by bacteria:
a) Defense protein c) Hydrolytic enzyme
b) Restriction enzyme d) Ligase enzyme
18. Extra circular DNA which use as vector of gene is:
a) Genome b) Pilli. c) Plasmid. d) Ligase
19. The artificial manipulation, medication and recombination of DNA:
a) Genetic engineering. c) Molecular biology
b) Biotechnology. d) Genetic
20. The earlier biotechnologist were:
a) Biologist b) Genetist c) Agriculturist d) Farmers
21. The complete graph of human genome was studied by:
a) PCR. b) Medicine. c) HGP d) Soma-clonal
22. Alcohol and antibiotics on large scale production by organism is an area of:
a) Environmental biotechnology c) Biotechnology in industry
b) Fermentation d) Medicinal biotechnology
23. Most of the living things use O2 to produce:
a) ATP. b) Organic acid. c) Alcohol d) Ecological pyramid
24. In acidic formulation lactic acid produced from:
a) Pyruvic acid b) Citric acid. c) Acetic acid d) Glyceric acid
25. The cold war between the organisms of a community occupying the same habitat is called:
a) Predation b) Mutualism. c) Competition d) Commensalism
26. The association between two different types of organism which benefit to each other, cannot
live without each other is called:
a) Parasitism b) Mutualism. c) Commensalism d) Predation
27. The amount of solid waste or concentration of gases other than oxygen increase in atmosphere
is called:
a) Air pollution b) Acid rain c) Ozone depletion d) Greenhouse effect
28. Who is called father of antiseptic:
A
)Alexandar Flehming. b) Lister. c) Edward Jenner d) Oswald Schmiedeberg
29. Branch of biology deals with the study of heredity and variation is called:
a) Inheritance b) Genetics. c) Heredity. d) Evolution
30. The way by which gene transmits characters from parents to offspring is:
a) Genetics b) Heredity c) Interitance. d) Allele
31. Two similar chromosomes in a cell which are similar in shape, size and position of centromere
called:
a) Chromatids b) Homologous. c) Arms d) Homology
32. The chemical material of a chromosome is called:
a) Chromatin. b) Chromonema . c) Chromeres. d) Chromatid
33. The outer part of DNA helix made up of sugar and phosphate is called:
a) Nucleoprotein. b) Rungs. c) Upright. d) Phosphoester
34. The small segment of DNA which has information to code one protein is called:
a) Nucleotide. b) Gene. c) Polynucleotide d) Exon
35. The exact duplication of DNA is called:
a) Duplication. b) Transcription. c) Replication. d) Translation
36. If both the parents donate same factors of a character is called:
a) Homologous b) Homozygous. c) Heterologous d) Heterozygous
37. The genetic constitution of a trait is called:
a) Genotype b) Genome. c) Phenotype. d) Phenyl
38. The process which is essential for continuing and survival of species is:
a) Digestion b) Reproduction c) Respiration. d) Excretion
39. The type of reproduction which is necessary for evolution is:
a) Vegetative propagation. b) Fragmentation
c) Sexual reproduction d) Cloning
40. The unicellular structure, responsible for asexual reproduction without fusion is:
a) Pores . b) Gametes c) Spores d) Pollen grains
41. The example of stem which run horizontally on surface of soil to produce vegetatively:
a) Mint. b) Onion . c) Ginger d) Bryophyllum
42. Plant stem that arise from buds on the base of parent plants are:
a) Bulb . b) Sucker c) Rhizome d) Runner
43. Irritation caused by stimulus is the main cause of:
a) Tropism b) Locomotion. c) Movement. d) Arthritis
44. The frame work which gives shape to any structure called:
a) Architecture. b) Cartilage. c) Bone d) Skeleton
45. The cartilage are made up of cells called:
a) Osteoclast b) Chondrocytes c) Osteocytes d) Chaonocytes
46. The head of femur attached with:
a) Pelvic girdles. b) Scapula. c) Pectoral girdle d) Acetabulum of pelvic gridles
47. The large muscles of arm is:
a) Bicep b) Tetracep c) Trice d) Pentacep
48. The band of tough, fibrous, connective tissue which are attached to bone at joints called:
a) Ligament b) Bicep c) Tendon d) Tricep
49. Softening and weakening of bone in children due to deficiency of vitamin D called:
a) Osteoporosis b) Osteoarthritis c) Rickets d) Rheumatic fever
50. The muscle which is responsible to straighten the limb is:
a) Ligament b) Flexor c) Skeleton muscle d) Extensor
51. The pair of muscle where both work in opposite direction:
a) Antagonist b) Smooth. c) Cardiac d) Abductor
52. The female gametophyte of anglosparmic plant is:
a) Embryo sac b) Ovary c) Ovule d) Carpel
53. The 3N zygote is angiosperm develop into:
a) Seed coat b) Embryo . c) Cytoledon d) Endosperm
54. The male gonads in rabbit are:
a) Testis b) Scrotal sec. c) Ovaries d) Vasdeferens
55. The female gametes are fertilized in the rear end of:
a) Oviduct b) Ovaries . c) Follopin tube d) Both a & b
56. The lie sustaining envelop of earth is:
a) Biomass b) Biosphere c) Biomes d) Atmosphere
57. The group of organisms belong to the same species live in a particular area called:
a) Community b) Genes c) Species d) Population
58. An area where community interacts with non-living environment is called:
a) Community b) Ecosystem. c) Ecology d) Biome
59. Any biological region recognized by its climate or vegetation is called:
a) Ecosystem b) Biosphere. c) Biomes d) Biomass
60. The transfer of food material from producers through some organisms with repeated eating and
being eaten is called:
a) Food pyramid b) Food web. c) Food chain d) Ecological pyramid

61. The elements n ecosystem recycle through organisms with environment is called:
a) Food chain b) Chemical cycle. c) Food web d) Biogeochemical
62. Process where nitrogenous compound of living organism convert into nitrates is called:
a) Ammonification. b) Denitrification c) Nitrification d) Deamination
63. The vitamin necessary for proper vision is:
a) Vitamin A b) Vitamin C. c) Vitamin . d) Vitamin D
64. A colour blind person cannot see:
a) Anything b) White. c) Red. d) Black
65. The book “Kitab-ul-manazir” was written by:
a) Jabir bin Hayan c) Ali Ibn-Isa
b) Ibn-al-Haitham d) Bu-Ali Sina
66. Sensory hair-cells are present in:
a) Retina. b) Skin. c) Cochlea d) Nose
67. The gonads are the target organ for:
a) FSH. b) Both a & b. c) LH. d) None of these
68. The activity in relation to changes in environment is:
a) Stimulus. b) Both a & b. c) Response d) None of these
69. Stimulus is detected by:
a) Receptor. b) Nerve. c) Effector d) All of these
70. The type of coordination through electrochemical signals is:
a) Nervous. b) Mechanical. c) Chemical. d) All of these
71. The chemicals released from one cell and carried to signal some distant cell through blood are:
a) Neurotransmitters. c) Hormones
b) Enzymes. d) All of these
72. The type of coordination exhibited y plants:
a) Nervous coordination. c) Mechanical coordination
b) Chemical coordination d) Both a & b
73. The part of brain involved in reasoning is:
a) Fore brain. b) Cortex. c) Cerebrum d) Frontal lobe
74. The part of brain involved in balance and precision in movements is:
a) Cerebrum. b) Thalamus. c) Cerebellum d) Medulla oblongata
75. Vital functions for survival of animals are regulated by:
a) CNS. c) Somatic sub-division
b) PNS. d) Automatic sub-division
76. The shortest path of reflex action consists of:
a) 1 neuron. b) 3 neurons. c) 2 neurons d) Many neurons
77. The type of lens in our eye is:
a) Convex. b) Both a & b. c) Concave. d) None of these
78. The automatic process of altering focus to get sharper image of near object is:
a) Vision. b) Focus. c) Accommodation d) All of these
79. The internal condition of an organism is referred as:
a) Homeostasis. c) Internal metabolism
b) Internal environment d) Feedback mechanism
80. A set of metabolism reaction which maintain internal environment is:
a) Positive feedback. c) Osmoregulation
b) Negative feedback. d) Homeostasis

81. Removal of extra liquid water is:

a) Exudation b) Respiration. c)Guttation. d) Transpiration
82. Plant grow near coastal area called:
a) Xerophyte b) Epiphyte. c) Halophyte. d) Hygrophyte
83. Organ of human body which is considered on the larges organ is:
a) Skin. b) Liver. c) Digestive tract d) Brain
84. The maintenance of body temperature with in suitable limit is called:
a) Homeostasis. c) Osmoregulation
b) Thermoregulation. d) Heterotherm
85. The kidney is enclosed in a membrane called:
a) Pericardium. c) Pleural membrane
b) Peritoneum. d) Plumule
86. The network of blood capillaries present in the layer of skin:
a) Epidermis . b) Hypodermis. c) Dermis d) Endodermis
87. Selective reabsorption in nephron takes place at:
a) Glomerulus. c) Convulated tubules
b) Malphighian body. d) Loop of Henle’s
88. The hormone ADH release from:
a) Pituitary gland. c) Liver
b) Kidneys. d) Lungs
89. Which of the following disorder is associated with degeneration of alveoli:
a) Bronchitis. b) Asthma. c) Lung cancer d) Emphysema
90. Which of the following disorder is associated with inflammation of air passage ways:
a) Bronchitis. b) Lung cancer c) Asthma. d) Emphysema