NTS Biology MCQs Online With Answers

NTS-National Testing System Pakistan is a non-governmental organization that conducts written and screening tests for admission, scholarship, internship, recruitment, promotion, and jobs. NTS test preparation is being provided on gotest.com for those candidates who have applied or want to apply for the exam. This examination includes several subjects in which biology is mandatory. For the NTS Biology MCQs Online test, visit over here. On this site, you will get all questionnaires about NTS Biology MCQs Online along with their answers which help you to get command of this subject.

These biology MCQs are a useful resource for exam preparation, regardless of whether you’re hoping to get a job in the government, take an admissions test, or look for career chances there. Candidates can increase their knowledge of biological subjects, their test-taking abilities, and their confidence to perform well in their individual examinations by practicing with these questions. With the help of this resource, you may expedite your biology study process and improve your chances of passing competitive exams at numerous government departments and organizations.

NTS Biology MCQs Online With Answers

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NTS Biology MCQs Online With Answers

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NTS Biology MCQs With Answers Online Solved

1. The scientific study of living is called?
A. Anatomy
B. Biology
C. Geology
D. Zoology

2. The word “BIOLOGY” has been derived from_________ word?
A. Latin
B. English
C. Greek
D. French

3. According to the modern system of taxonomy, living organisms have been classified into?
A. Three Kingdoms
B. Five Kingdoms
C. Two Kingdoms
D. Six Kingdoms

4. Kingdom Protoctista includes____________?
A. Fungi
B. Prokaryotes
C. protists
D. Piantae

5. Kingdom Fungi includes_______________?
A. A cellular, eukaryotic organisms
B. Non-chlorophylls, multicellular eukaryotic organisms
C. Non-chlorophylls, multicellular,thallophytic organisms
D. Chlorophyllus, multicellular, eukaryotic Organisms

6. Earthworm is included in_____________?
A. Kingdom Plantae
B. Kingdom Protoctista
C. Kingdom Monera
D. Kingdom Animalia

7. The Study of organisms inhabiting the sea and Ocean and the physical and chemical characteristics of their environment is:
A. Social Biology
B. Marine Biology
C. Environmental Biology
D. Fresh Water Biology

8. The branch of Biology which deals with the use of data and techniques of engineering & technology concerning living organisms is:
A. Human Biology
B. Environmental Biology
C. Genetics
D. Biotechnology

9. The branch in which organism’s life cycle, mode of transmission, and interaction with their hosts are studied is:
A. Anatomy
B. Physiology
C. Parasitology
D. Social Biology

10. The molecules of living matter that provide building blocks are mostly based on:
A. Carbon
B. Nitrogen
C. Hydrogen
D. Ammonia

11. Severe deficiency of Vitamin D results in __________.
A. scurvy
B. rickets
C. night blindness
D. osteomalacia

12. People living in high altitudes (like mountains) usually have a _________.
A. smaller number of Red Blood Cells
B. the lthe arger number of Red Blood Cells
C. smaller number of White Blood Cells
D. larger number of White Blood Cells

13. The average adult has a blood volume of about __________ liters.
A. 5
B. 5.5
C. 6
D. 6.5

14. The average internal temperature of the human body is __________.
A. 35 oC
B. 36 oC
C. 37 oC
D. 38 oC

15. Vitamin __________ is needed for the formation of a light-sensitive pigment in the retina.
A. A
B. C
C. D
D. B complex

16. About __________ of the body weight of a mammal is water.
A. 60%
B. 65%
C. 70%
D. 75%

17. On wound __________ fight foreign particles, like bacteria.
A. White Blood cells
B. Red Blood Cells
C. Platelets
D. Plasma

18. Blood is carried towards the heart by __________.
A. Arteries
B. Capillaries
C. Veins
D. None of these

19. __________ is essential for the formation of hemoglobin.
A. Calcium
B. Iron
C. Water
D. Carbohydrates

20. ___________ are needed as a source of energy for the vital activities of the body.
A. Calcium
B. Iron
C. Water
D. Carbohydrates

21. What is the main purpose of white blood corpuscles
A. To carry nutrients
B. To combat infection
C. To carry oxygen
D. To give strength

22. The total volume of blood in a human being is
A. 5-6 litres
B. 3-4 litres
C. 8-10 litres
D. 10-12 litres

23. Red blood corpuscles are formed in the
A. Liver
B. Bone Marrow
C. Kidneys
D. Heart

24. Blood does not coagulate inside the body due to the presence of
A. Haemoglobin
B. Heparin
C. Fibrin
D. Plasma

25. The number of bones in the human body of an adult is approximately
A. 210
B. 250
C. 206
D. 80

26. Lungs are situated in the
A. Abdominal cavity
B. Pericardial cavity
C. Buccal cavity
D. Thoracic cavity

27. The pancreas secretes
A. Insulin
B. Vitamin A
C. Bile juice
D. None of these

28. The seat of memory in the human brain is located in the
A. Medulla oblongata
B. Cerebrum
C. Cortex
D. Cerebellum

29. Tibia is bone found in the
A. Skull
B. Arm
C. Leg
D. Face

30. The strongest muscle in the human body is found in
A. Hands
B. Buttocks
C. Neck
D. Lungs

31. The main function of the kidney is
A. To control blood pressure
B. To control body temperature
C. To remove waste products from the body
D. To help in the digestion of food

32. A gene is a
A. Sleep-inducing drug
B. Unit of heredity
C. A kind of vitamin
D. A type of body cell

33. The function of hemoglobin is
A. To transport oxygen
B. Destruction of bacteria
C. Prevention of anaemia
D. Utilization of energy

34. A vegetable containing sulfur is?
A. Potato
B. Cabbage
C. Brinjal
D. Pumpkin

35. Enzymes help in
A. Respiration
B. Digestion of food
C. Immune system
D. Reproduction

36. Ptyalin is an enzyme produced in the
A. Salivary glands
B. Pituitary glands
C. Thyroid glands
D. Pancreas

37. Heightened emotion is caused by
A. Pituitary glands
B. Thyroid glands
C. Adrenal glands
D. Salivary glands

38. The shortest bone in the human body is
A. Vertebrae
B. Phalanges
C. Stapes
D. Metacarpals

39. Lack of ____ causes diabetes
A. Sugar
B. Insulin
C. Calcium
D. Vitamins

40. Biopsy is done on
A. Tissues taken from a dead body
B. Tissues taken from a living body
C. Blood from Veins
D. Blood from Arteries

41. . Haemodialysis means cleaning of
A. urine
B. blood
C. glomerular filterate
D. coelomic fluid

42. Production of sweat and sebum is related with
A. skin
B. liver
C. lungs
D. GIT

43. The evaporative cooling in the respiratory tract of dogs is called
A. vasodilation
B. vasoconstriction
C. panting
D. All of these

44. Which of the following pathogen type cause disease that can be treated with antibiotics
A. bacteria
B. fungi
C. virus
D. None of these

45. Most cell membranes are composed principally of
A. DNA and protein
B. protein and lipids
C. protein and chitin
D. protein and RNA

46. Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the
A. concentration of water molecules inside and outside the cell
B. concentration of enzymes on either side of the cell membrane
C. rate of molecular motion on either side of the cell membrane
D. None of these

47. Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
A. diffusion
B. passive transport
C. osmosis
D. active transport

48. Proteins are made from amino acids by the process of
A. hydrolysis
B. pinocytosis
C. dehydration synthesis
D. active transport

49. Which is an organic compound found in most cells
A. water
B. glucose
C. oxygen
D. sodium chloride

50. Which are the four most abundant elements in living cells
A. carbon, oxygen, nitrogen, sulfur
B. carbon, oxygen, hydrogen, nitrogen
C. carbon, oxygen, sulfur, phosphorus
D. carbon, sulfur, hydrogen, magnesium

51. Human blood is an example of__________?
A. Organelle
B. Tissues
C. Organic compound
D. Inorganic compounds

52. With different chemical arrangements and the formation Of complex molecules, life emerges on the level of the?
A. Cells
B. Tissues
C. Organs
D. Organ System

53. Organelles are_______________?
A. Unicellular structures
B. Multi-cellular structures
C. Sub-cellular structures
D. Non-cellular structures

54. Functional unit of DNA Is____________?
A. Nucleus
B. Genes
C. Chromosomes
D. Nucleolus

55. Various tissue types combine to make up__________?
A. Cells
B. Organs
C. Organ System
D. Organelles

56. Two or more populations of different species living and interacting in the same area form
A. Biosphere
B. Community
C. Population System
D. Ecosystem

57. A group of similar cells that perform a specific function is:
A. Organ
B. Tissues
C. Organelle
D. Organ System

58. Which of the following is an example of a “molecule”?
A. Chloroplast
B. A Nerve Cell
C. DNA
D. Hydrogen

59. A group of very similar interbreeding organisms constitutes?
A. Biosphere
B. Ecosystem
C. Population
D. Species

60. Members of one species inhabiting the same form_________?
A. Species
B. Community
C. Ecosystem
D. Population

61. Robert Hooke discovered_____________?
A. Nucleus
B. Mitochondria
C. Cell
D. DNA

62. Steps Involved in the scientific method are?
A. Hypothesis –>Accumulated data –> observation & experimentation –> conclusion
B. New data —> Conclusion —> Accumulated data —> Observation & experimentation
C. Accumulated data – New data – Observation & experimentation – Hypothesis –> Conclusion
D. Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion

63. Malaria is associated with___________?
A. Culex Mosquito
B. Culiesta Mosquito
C. Anopheles Mosquito
D. Culex & Anopheles Mosquito

64. Biologist ‘Grass’ discovered the life cycle of plasmodium in_______?
A. 1896
B. 1897
C. 1898
D. 1899

65. The first antibiotic to be discovered was_____________?
A. Penicillin
B. Cephalosporin
C. Aminoglycosides
D. Erythromycin

66. Immunization by vaccination was first introduced by?
A. Fleming in 1945
B. Florey & Chain in 1975
C. Flore & Chain in 1795
D. Edward Jenner in 1795

67. The science of growing terrestrial plants in an aerated solution is_________?
A. Hydrodynamics
B. Hydroponics
C. Hydroponics
D. None of them

68. An educated guess is called:
A. Accumulated Data
B. Observation
C. Hypothesis
D. Conclusion

69. Dolly, the sheep was a highly successful clone from a somatic cell, reported back in________?
A. 1993
B. 1994
C. 1995
D. 1996

70. Crop rotation helps in______________?
A. Growth of pathogens
B. Soil Infertility
C. Slowing of growth
D. Eradication of disease

71. People living in high altitudes (like mountains) usually have a _________?
A. smaller number of Red Blood Cells
B. The larger number of Red Blood Cells
C. smaller number of White Blood Cells
D. larger number of White Blood Cells

72. Which character differentiates living things from non-living organisms?
A. They live in the same ecosystem.
B. They are highly organized and complex made of one or more cells and contain genetic material
C. They are acted upon by the same environment
D. Both a and b

73. Which Vitamin is needed for the formation of a light-sensitive pigment in the retina?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. B complex

74. The average internal temperature of the human body is __________?
A. 35 oC
B. 36 oC
C. 37 oC
D. 38 oC

75. The study of fossils is called?
A. Environmental Biology
B. Historical biology
C. Palaeontology
D. Social biology

76. About __________ of the body weight of a mammal is water
A. 60%
B. 65%
C. 70%
D. 75%

77. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by?
A. Molecular biologists
B. Microbiologists
C. Freshwater biologists
D. Social biologist

78. On wound __________ fight foreign particles, like bacteria?
A. White Blood cells
B. Red Blood Cells
C. Platelets
D. Plasma

79. Synthetic insulin from pork was formed by which technique?
A. Biotechnology
B. Social biological techniques
C. Parasitology
D. Both a and c

80. Blood is carried towards the heart by __________?
A. Arteries
B. Capillaries
C. Veins
D. None of these

81. The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called?
A. Environmental biology
B. Social biology
C. Human biology
D. Both b and c

82. __________ is essential for the formation of hemoglobin.
A. Calcium
B. Iron
C. Water
D. Carbohydrates

83. Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
A. 6
B. 16
C. 26
D. 15

84. ___________ are needed as a source of energy for the vital activities of the body?
A. Calcium
B. Iron
C. Water
D. Carbohydrates

85. Oxygen accounts for ____ % of totals human body mass?
A. 65%
B. 18%
C. 10%
D. 3%

86. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:
A. An organ
B. A molecule
C. Tissue
D. Both a and c

87. Which one of them is a micro-molecule?
A. Polysaccharide
B. Protein
C. Hemoglobin
D. ATP

88. A structure formed by groups of similar cells organized into loose sheets or bundles performing similar functions is called as:
A. An organ
B. An organism
C. A Tissue
D. A Cell

89. Haemodialysis means cleaning of____________?
A. Urine
B. Blood
C. Glomerular filterate
D. Coelomic fluid

90. In animals coordination is achieved by means of?
A. Nervous system
B. Endocrine system
C. Respiratory system
D. Both A and B

91. Production of sweat and sebum is related to?
A. Skin
B. Liver
C. Lungs
D. GIT

92. A group of living organisms of the same species living in the same place at the same time is called?
A. Community
B. Population
C. Ecosystem
D. Biome

93. The evaporative cooling in the respiratory tract of dogs is called?
A. Vasodilation
B. Vasoconstriction
C. Panting
D. All of these

94. Different species of plants and animals living in the same habitat are called?
A. Population
B. Community
C. Biome
D. Habitat

95. Which of the following pathogen type cause disease that can be treated with antibiotics?
A. bacteria
B. fungi
C. virus
D. None of these

96. A large regional community primarily determined by climate is called?
A. Population
B. Community
C. Biome
D. Habitat

97. Most cell membranes are composed principally of?
A. DNA and protein
B. Protein and Lipids
C. Protein and Chitin
D. Protein and RNA

98. The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time sequence came from the studies by?
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist

99. Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the?
A. Concentration of water molecules inside and outside the cell
B. Concentration of enzymes on either side of the cell membrane
C. Rate of molecular motion on either side of the cell membrane
D. None of these

100. It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statements is correct in this respect?
A. Older sediment layers have an equal amount of these radioactive isotopes as that thing ones
B. Older sediment layers have less amount of radioactive isotopes than ofthanhe young ones.
C. Older sediment layers have a greater amount of these radioactive isotopes than that of young ones.
D. Older sediment layers did not have these radioactive isotopes

101. Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
A. Diffusion
B. Passive transport
C. Osmosis
D. Active transport

102. An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called?
A. Biome
B. Phyletic lineage
C. Community
D. Population

103. Proteins are made from amino acids by the process of ______________?
A. Hydrolysis
B. Pinocytosis
C. Dehydration synthesis
D. Active transport

104. Biological sciences have a set methodology and it is based on?
A. Experimental inquiry
B. Esthetic preference
C. Philosophical ideas
D. Imaginations

105. Which is an organic compound found in most cells?
A. Water
B. Glucose
C. Oxygen
D. Sodium chhypothesesggle title=”View Answer” state=”close”]Answer: Option B[/toggle]
106. A series of hypotheses supported by the results of many tests is called?
A. Scientific law
B. Theory
C. Data
D. Deduction

107. Which are the four most abundant elements in living cells?
A. carbon, oxygen, nitrogen, sulfur
B. carbon, oxygen, hydrogen, nitrogen
C. carbon, oxygen, sulfur, phosphorus
D. carbon, sulfur, hydrogen, magnesium

108. Which one is not correct for a productive theory?
A. It is predictive
B. It has explanatory power
C. It discourages the suggestion of different hypotheses
D. None of tMendel’soggle title=”View Answer” state=”close”]Answer: Option C[/toggle]
109. Conclusion of Mendel’s work later became a_____________?
A. Scientific hypothesis
B. Theory
C. Scientific law
D. Productive theory

111. Breeders have developed new and better varieties of food items by using which technique?
A. Pasteurization
B. Hydroponic culture technique
C. Genetic engineering
D. Biological control techniques

112. Co-enzyme is often formed from?
A. lipid
B. protein
C. inorganic ion
D. vitamin

113. The producion of genetically identical copies of organisms/cells by artificial reproduction is called?
A. Mitosis
B. Replication
C. Cloning
D. Biological control

114. Messenger RNA is formed in_________?
A.nucleus
B.chloroplast
C.mitochondria
D.none of these

115. Astronauts may use which technique to grow fruits and vegetables?
A. Tissue culture techniques
B. Cloning
C. Pasterisation
D. Hydroponic culture technique

116. Number of chromosomes in E. coli?
A. 1
B. 2
C. 4
D. 6

117. Which statement is incorrect for pasteurization?
A. It is used to preserve yogurt and milk
B. It was developed by Louis Pasteur.
C. It involves heating the substance at a high temperature for just a few sec.
D. It can be used to preserve vegetables and meat.

119. What is the mode of transmission of the Hepatitis virus?
A. Aerosol
B. Parenteral (via blood)
C. Skin penetration
D. Unknown

120. Smallest disease-causing agents in plants are?
A. virion
B. mycoplasma
C. viroids
D. prions

121. Which disease can be controlled by vaccination?
A. Measles
B. Cancer
C. Diabetes
D. Heart att-ack

122. The major cell infected by HIV is a lymphocyte .

A. helper-T
B. B
C. Both T and B
D. None of these

123. Vaccine was first developed by____________Both
A. Louis PaNonee
B. Edward Jenner
C. Jaber Ibn Hayan
D. Aristotle

124. Pigment present in red algae is_____________?
A. fucoxanthin
B. phycocyanin
C. phycoerythrin
D. bilirubin
[toge=”View Answer” state=”close”]Answer: Option C[/toggle]
125. Which disease has been totally eradicated from the world because of effective vaccination?
A. Measles
B. Polio
C. Smallpox
D. Hepatitis

126. Nutrition in fungi is___________?
A. PhotosynthetSmallpoxmosynthetic
C. Completely parasitic
D. Absorptive heterotrophs

127. Which of the following statements is incorrect about antibiotics?
A. They are used against microorganisms
B. They are always effective against bacteria
C. They are used in diseases like tuberculosis and pneumonia
D. They are derived from bacteria only

128. Fungi resemble plants because they lack___________?
A. Cell wall
B. Cytoplasm
C. Centriole
D. Nucleus

129. Which treatment is instituted in a cancerous patient?
A. Antibiotic therapy
B. Radiotherapy
C. Gene therapy
D. None of these

130. Which is a parasitic plant?
A. cuscuta
B. rose
C. ferns
D. mosses

131. Which statement is incorrect for cloning?
A. The nucleus of a fertilized egg is replaced by the nucleus from the cell of a fully developed individual
B. Division of a single egg into one or more separate embryos.
C. The individual is the mirror image of the parent organism
D. It involve methods of reproduction

132. True roots absent in_____________?
A. ferns
B. bryophytes
C. gymnosperms
D. angiosperms

133. Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________?
A. Integrated disease management
B. Hydroponic culture technique
C. Pasteurization
D. Bioremediation

134. The mechanism for ATP synthesis is_____________?
A. Chemosynthesis
B. Photosynthesis
C. Phosphorylation
D. Chemiosmosis

135. Which of the following is not a viral disease?
A. Cowpox
B. Mumps
C. Tetanus
D. Smallpox

136. Enzyme present in the saliva is_____________?
A. lipase
B. trySmallpoxtyalthe in
D. in,trade
[tthe toggle title=”View Answer” state=”close”]Answer: Option C[/toggle]
137. In the human body, 99% of the total mass is formed of_____________?
A. 16 Bio-elements
B. 12 Bio-elements
C. 10 Bio-elements
D. 6 Bio-elements

138. Nitrogen is present in___________?
A. carbohydrates
B. proteins
C. lipids
D. carbonates

139. Biological organization is_____________?
A. simple
B. advance
C. complex
D. highly complex

140. Operculum is present in_____________?
A. bony fish
B. sea fish
C. cartilaginous fish
D. None of these

141. The arrangement of ________ speaks of the division of laboNoneithin a cell.
A. Molecule
B. Subatomic particles
C. Atoms
D. Organelles

142. In which animal respiratory surface is found in more than one organ?
A. birds
B. human
C. fish
D. frog

143. Communities are ________ collection of organisms?
A. Static
B. Dynamic
C. May be static or dynamic
D. None of these

144. The heart is enclosed in a membrane called________?
A. pleura
B. pericardium
C. peritoneum
D. epithelium

145. The number of species of organisms currently known to science is?
A. 3500000
B. 35000
C. 2500000
D. 25000000

146. From the right ventricle, blood is pushed into?
A. pulmonary trunk
B. brain
C. aorta
D. body

147. What is the branch of biology in which the structure and function of tissues are studied___________?
A. Cell Biology
B. Taxonomy
C. Histology
D. Morphology

148. Biometry is the application of_______ in biology.
A. Algebra
B. Statistics
C. Matrix
D. Geometry

149. The study of insects is called_________?
A. Immunology
B. Parasitology
C. Entomology
D. Paleontology

150. The term biology was introduced in__________ in 1800.
A. Germany
B. Turkey
C. Italy
D. Japan

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