1. The scientific study of plants and animals is known as
(A) Biology
(B) Botany
(C) Zoology
(D) Molecular Biology
2. The study of the development of an organism from a fertilized egg or
zygote is called
(A) Morphology
(B) Physiology
(C) Histology
(D) Embryology
3. The naming and classification of organisms falls under the scope of
(A) Ecology
(B) Taxonomy
(C) Histology
(D) Anatomy
4. Palaeontology is the study of
(A) Fossils
(B) Environment
(C) Development
(D) Dead organisms
5. The study of structure and function of cells is called
(A) Molecular Biology
(B) Microbiology
(C) Cell Biology
(D) Histology
6. The mechanism of stomata movements (opening) is related to the process
called
(A) Morphology
(B) Palaeobotany
(C) Taxonomy
(D) Physiology
7. Study of hereditary characters transmitted from parents to off springs
is called
(A) Genetics
(B) Embryology
(C) Taxonomy
(D) Evolution
8. Arrangement of living organisms into groups on the basis of similarities
is called
(A) Ecology
(B) Taxonomy
(C) Morphology
(D) Microbiology
9. Many unknown plants were sent back from "New World" to Europe
to be used as medicines. The "New World" refers to
(A) England
(B) Egypt
(C) America
(D) Greece
10. The study of form and structure of living things is called
(A) Cytology
(B) Histology
(C) Morphology
(D) Physiology
11. A cross section of root showing different tissues refers to the branch
of science called
(A) Morphology
(B) Anatomy
(C) Histology
(D) Taxonomy
12. Ali studied the characteristics of plants growing in the deserts, water
and high mountains. Which branch of biology he was dealing with?
(A) Taxonomy
(B) Anatomy
(C) Ecology
(D) Paleontology
13. Histology is the microscopic study of
(A) Tissues
(B) Cell
(C) Fossils
(D) Microorganisms
14. The branch of biology which deals with the structure of organisms, the
cells and their organelles at molecular level is
(A) Microbiology
(B) Molecular Biology
(C) Human Biology
(D) Anatomy
15. The branch of biology which studies bacteria, viruses, protozoa and
microscopic algae and fungi is
(A) Molecular Biology
(B) Cell Biology
(C) Microbiology
(D) Social Biology
16. How many naturally occurring elements commonly used in forming the
chemical compounds from which living organisms are made?
(A) 10
(B) 12
(C) 16
(D) 30
17. That part of the earth inhabited by living organisms; including both the
living and nonliving components is called are
(A) Biosphere
(B) Ecosystem
(C) Community
(D) Population
18. A community together with its nonliving surroundings is called
(A) Biosphere
(B) Ecosystem
(C) Community
(D) Population
19. Two or more populations of different species living and interacting in
the same area are called
(A) Ecosystem
(B) Population
(C) Community
(D) Biosphere
20. Members of one species inhabiting the same area are called
(A) Population
(B) Biosphere
(C) Ecosystem
(D) Community
21. Two or more organs working together in the execution of a specific body
function are called
(A) Multicellular organism
(B) Organ system
(C) Organ
(D) Tissue
22. A group of similar cells that perform a specific function is called
(A) Organ system
(B) Tissue
(C) Organelle
(D) Species
23. A structure within a cell that performs function is called
(A) Organelle
(B) Tissue
(C) Atom
(D) Organ
a specific
24. Molecules with low molecular weights are called
(A) Micromolecules
(B) Macromolecules
(C) Cells
(D) Organs
25. Molecules with high molecular weights are called
(A) Tissue
(B) Organs
(C) Micromolecules
(D) Macromolecules
26. Most important and abundant organic molecules in organisms are
(A) Glucose and amino acids
(B) Fatty acids
(C) Glycerol and nucleotides
(D) All of these
27. Various careful estimates put the total number of species between
(A) 2 and 10 millions
(B) 4 and 20 millions
(C) 5 and 30 millions
(D) 7 to 50 millions
28. Out of the currently known species of organisms, insects constitute
(A) 10.4%
(B) 15.9%
(C) 45.7%
(D) 53.1%
29. Out of the currently known species of organisms, vascular plants
constitute
(A) 10.2%
(B) 15.3%
(C) 17.6%
(D) 20.1%
30. How many species have been identified so far?
(A) 1.2 million species
(B) 2.1 million species
(C) 2.5 million species
(D) 3.2 million species
31. Deductions are tested by
(A) Observations
(B) Information
(C) Experiments
(D) Consultation
32. Which one of the following is a correct sequence in biological methods?
(A) Observations - Hypothesis - Law - Theory
(B) Observations - Hypothesis - Deduction - Testing of deduction
(C) Hypothesis - Observations Deduction - Testing of deduction
(D) Law - Theory - Deduction - Observation
33. First step of biological study is
(A) Experiment
(B) Observation
(C) Hypothesis
(D) Deduction
34. Malarial parasite completes its life cycle in
(A) One host
(B) Two hosts
(C) Three hosts
(D) Four hosts:
35. Relationship between man, mosquito and malaria was discovered by
(A) Ronald Ross
(B) Rossenhof
(C) Pasteur
(D) I larvey
36. Development of gametocytes of malarial parasite take place
(A) In the gut of male anopheles mosquito
(B) In the blood of man.
(C) In the gut of female anopheles mosquito
(D) In the salivary gland of anopheles mosquito
37. Shivering characteristic of malaria occurs when
(A) Sporozoites are liberated from R.B.C.
(B) Gametocytes are liberated
(C) 06cysts are liberated
(D) Merozoites are liberated from R.B.C. with toxin
38. The real cause of malaria is
(A) Mosquito
(C) Marshes
(B) Plasmodium
(D) Bad air
39. Malarial parasite is transmitted by
(A) Male mosquito
(B) Female mosquito
(C) Both male and female mosquitoes
(D) House fly
40. The species of mosquito that spreads malaria in the birds is the
(A) Culex
(B) Anopheles
(C) Plasmodium
(D) Moth
41. The malarial parasites are transmitted into the blood of man in the
form of
(A) Sporozoites
(C) Gametocytes
(B) Merozoites
(D) Schizoits
42. A man bitten by a mosquito suffered from malaria. Which of the
following is responsible for infection?
(A) A female anopheles
(B) A male anopheles
(C) A culex mosquito
(D) None of above
43. When sporozoites pass from the blood to liver cells, they multiply for
(A) 10 days
(B) 12 days
(C) 16 days
(D) 14 days
44. Victim of malaria mostly feels
(A) Cough
(B) Shiver with chill
(C) Constipation
(D) Diarrhoea
45. Culex mosquito spreads malaria in
(A) Humans
(B) Sparrow
(C) Sheep
(D) Cat
46. Severe-Chill, fever, high rate of heart beat and breathing, profuse
sweating and exhausted feelings are the symptoms of
(A) Diarrhoea
(B) Castigation
(C) Malaria
(D) Cholera
47. Spraying of oil on stagnant water controls malaria because
(A) Water becomes impure for mosquito
(B) Mosquito larvae cannot breathe
(C) Oil kill malarial parasite inside the body of mosquito
(D) Specific gravity of water increases
48. Plasmodium causes
(A) Typhoid
(B) Malaria
(C) Cholera
(D) Small pox
49. Plasmodium was discovered in 1880 in the blood of malarial patient by
French military doctor
(A) Ronald Ross
(B) A.F.A. King
(C) Larven
(D) Henry
50. In 1898 the life cycle of plasmodium in Anopheles mosquito was studied
by
(A) Ronald Ross
(B) A.F.A. King
(C) Larven
(D) Grassi
51. A mosquito injects plasmodium into the blood in the form of
(A) Zygotes
(B) Sporozoites
(C) Gametocytes
(D) Merozoites
52. The relationship between man, mosquito and plasmodium was discovered by
(A) Ross
(B) Laveran
(C) Grassi
(D) King
53. The sporozoites of plasmodium multiply in the human liver cells to
produce a large number of
(A) Oocysts
(B) Male gametocytes
(C) Merozoites
(D) Female gametocytes
54. Plasmodiuth is found at different stages in man and mosquitci, At which
stage it can be seen in both hosts?
(A) Male gamete
(B) Oocyst
(C) Sporozoite
(D) Ookinete
55. A chemical substance called Quinine was extracted from the bark of
(A) Quina-quina
(B) Cinchona
(C) Accacia
(D) None of these
56. One of the following is not an antimalarial drug
(A) Quinine
(B) Aniline
(C) Chloroquinine
(D) Paludrine
57. The method of controlling malaria by draining marshes was first of all
adopted by the nearly
(A) Greeks
(C) Romans
(B) Chinese
(D) Italians
58. The cinchona bark contains the
drug
(A) Resochine
(B) Paludrine
(C) Quinine
(D) Daraprin
59. Which of the following is not an antimalarial drug?
(A) Paludrine
(B) Quinine
(C) Resochine
(D) Erythrocine
60. Marshes were drained out byearly Romans to control
(A) Plague
(C) Malaria
(B) Tuberculosis
(D) Cholera
61. Bark of cinchona plant was used for treating patients of
(A) Influenza
(B) Malaria
(C) Pneumonia
(D) Measles
62. Man can now be saved from the attack of fatal diseases like small pox,
tetanus and diphtheria by using
(A) Antibiotics
(B) Antibodies
(C) Vaccines
(D) Antigens
63. Biological research in the field of genetics and pest control has
helped us in the improvement of
(A) Health
(B) Food-shortage
(C) Urbanization
(D) Environment
64. Which one of the following is employed in treatment of cancer?
(A) Antibiotics and vaccination
(B) Radiotherapy and chemotherapy
(C) Chemotherapy and antibodies
(D) All of the above
65. Which one of the following is not a viral disease?
(A) Cowpox
(B) Mumps
(C) Tetanus
(D) Small Pox
66. Which one of the following is not related to cloning?
(A) Replacement of the nucleus of zygote, by another nucleus of the same
organism.
(B) Separation of cells of embryo to form more embryos.
(C) The individuals resulting have similar genetic make up.
(D) Removal of piece of DNA or gene from the cell, and incorporating
another gene or piece of-DNA in its place.
67. The atmosphere of the primitive earth did not have
(A) Hydrogen
(B) Ammonia
(C) Nitrogen
(D) Methane
68. The continent which is called as the New World is
(A) Australia
(B) Africa
(C) America
(D) Europe
ANSWERS1. A 2. D • 3. B 4. A 5. C 6. D 7. A 8. B 9. C 10. C 11. B 12. C 13.. A 14. B 15. C 16. C 17. A 18. B 19. C 20. A. 21. B 22. B 23. A 24. A 25. D 26. D 27.. C .28. D 29. C 30. C 31. C 32. B 33. B 34. B 35. A 36. C 37. D 38. . B 39. 41. A 42. A 43. B 44. B 45. B 46. C 47. 49. C 50. D 51. B 52. C 53. C 54. C 55. 57. C 58. C 59. D 60. C 61. B 62. C 63. B 64. D 65. C 66. D 67. C 68. C .
Online MCQS Preparation (MCAT Biology Book-1) Chapter No.1
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