NTS Biology MCQs With Answers

[These Biology Mcqs are also beneficial for Preparation of PPSC Test, FPSC Test, SPSC Test,KPPSC Test,BPSC Test,PTS ,OTS,GTS,JTS,CTS Test Online]

NTS-National Testing System Pakistan is a non-governmental organization which conducts written and screening tests for admission, scholarship, internship, recruitment, promotion and jobs.

NTS test preparation 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 online test of biology visit over here. On this site you will get all questionnaire about biology in the form of Multiple choice Questions along their answers which help you to get command on this subject.

NTS Biology MCQs Online Test: Start Here

NTS Biology MCQs With Answers Online Solved

 

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

View Answer
Answer: Option B

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

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

4. Kingdom Protoctista includes____________?
A. Fungi
B. Prokaryotes
C. protists
D. Piantae
View Answer
Answer: OptionC

5. Kingdom Fungi includes_______________?
A. A cellular, eukaryotic organisms
B. Non-chlorophylls, multicellular eukaiyotlc organisms
C. Non-chlorophylls, multioellular,thailophytic organisms
D. Chlorophyllus, multicellular, eukaryotic Organisms
View Answer
Answer: Option C

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

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
View Answer
Answer: Option B

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. Bio-technology
View Answer
Answer: Option D

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
View Answer
Answer: Option C

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

11. Severe deficiency of Vitamin-D results in __________.
A. scurvy
B. rickets
C. night blindness
D. osteomalacia
View Answer
Answer: Option B

12. People living in high altitudes (like mountains) usually have a _________.
A. smaller number of Red Blood Cells
B. larger number of Red Blood Cells
C. smaller number of White Blood Cells
D. larger number of White Blood Cells
View Answer
Answer: Option B

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

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

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

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

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

18. Blood is carried towards the heart by __________.
A. Arteries
B. Capillaries
C. Veins
D. none of these
View Answer
Answer: Option C

19. __________ is essential for the formation of haemoglobin.
A. Calcium
B. Iron
C. Water
D. Carbohydrates
View Answer
Answer: Option B

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

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
View Answer
Answer: Option B

22. Total volume of blood in human being is
A. 5-6 litres
B. 3-4 litres
C. 8-10 litres
D. 10-12 litres
View Answer
Answer: Option A

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

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

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

26. Lungs are situated in the
A. Abdominal cavity
B. Pericardinal cavity
C. Buccal cavity
D. Thoracic cavity
View Answer
Answer: Option D

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

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

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

30. The strongest muscle in human body is found in
A. Hands
B. Buttocks
C. Neck
D. Lungs
View Answer
Answer: Option B

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 digestion of food

View Answer
Answer: Option C

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

33. The function of haemoglobin is
A. To transport oxygen
B. Destruction of bacteria
C. Prevention of anaemia
D. Utilization of energy
View Answer
Answer: Option A

34. A vegetable containing sulphur is?
A. Potato
B. Cabbage
C. Brinjal
D. Pumpkin
View Answer
Answer: Option B

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

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

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

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

39. Lack of ____ causes diabetes
A. Sugar
B. Insulin
C. Calcium
D. Vitamins
View Answer
Answer: Option B

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
View Answer
Answer: Option B

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

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

43. The evaporative cooling in the respiratory tract of dogs is called
A. vasodilation
B. vasoconstriction
C. panting
D. all of these
View Answer
Answer: Option C

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
View Answer
Answer: Option A

45. Most cell membranes are composed principally of
A. DNA ad protein
B. protein and lipids
C. protein and chitin
D. protein and RNA
View Answer
Answer: Option B

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
View Answer
Answer: Option A

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
View Answer
Answer: Option D

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

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

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
View Answer
Answer: Option B

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

View Answer
Answer: Option D

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

View Answer
Answer: Option A

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

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

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

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
View Answer
Answer: Option B

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

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

59. A group of very similar inter breeding organisms constitutes?
A. Biosphere
B. Ecosystem
C. Population
D. Species
View Answer
Answer: Option D

60. Members of one species inhabiting the same are form_________?
A. Species
B. Community
C. Ecosystem
D. Population
View Answer
Answer: Option D

61. Robert Hooke discovered_____________?
A. Nucleus
B. Mitochondria
C. Cell
D. DNA
View Answer
Answer: Option C

62. Steps Involved in 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
View Answer
Answer: Option D

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

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

65. The first antibiotic to be discovered was_____________?
A. Penicillin
B. Cephalosporin
C. Amino glycosides
D. Erythromycin
View Answer
Answer: Option A

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
View Answer
Answer: Option D

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

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

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

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

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

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
View Answer
Answer: Option 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
View Answer
Answer: Option A

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

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

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

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
View Answer
Answer: Option A

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

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

80. Blood is carried towards the heart by __________?
A. Arteries
B. Capillaries
C. Veins
D. none of these
View Answer
Answer: Option C

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
View Answer
Answer: Option B

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

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

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

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

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
View Answer
Answer: Option B

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

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
View Answer
Answer: Option C

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

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

91. Production of sweat and sebum is related with ?
A. Skin
B. Liver
C. Lungs
D. GIT
View Answer
Answer: Option A

92. 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
View Answer
Answer: Option B

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

94. Different species of plants and animals living in the same habitat is called?
A. Population
B. Community
C. Biome
D. Habitat
View Answer
Answer: Option B

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
View Answer
Answer: Option A

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

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

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

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
View Answer
Answer: Option A

100. It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect?
A. Older sediment layers have equal amount of these radioactive isotopes as that of the young ones
B. Older sediment layers have less amount of these radioactive isotopes as that of the young ones.
C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D. Older sediment layers did not have these radioactive isotopes
View Answer
Answer: Option B

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
View Answer
Answer: Option D

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
View Answer
Answer: Option B

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

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

105. Which is an organic compound found in most cells ?
A. Water
B. Glucose
C. Oxygen
D. Sodium chloride
View Answer
Answer: Option B

106. A series of hypothesis supported by the results of many tests is called ?
A. Scientific law
B. Theory
C. Data
D. Deduction
View Answer
Answer: Option B

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
View Answer
Answer: Option B

108. Which one is not correct for a productive theory?
A. It is predictive
B. It has explanatory power
C. It discourages suggestion of different hypotheses
D. None of these
View Answer
Answer: Option C

109. Conclusion of Mendels work latter became a_____________?
A. Scientific hypothesis
B. Theory
C. Scientific law
D. Productive theory
View Answer
Answer: Option C

110. Starch is converted into maltose by?
A. diastase
B. invertase
C. maltase
D. amylase
View Answer
Answer: Option A

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
View Answer
Answer: Option C

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

113. Production of genetically identical copies of organisms/cells by artificial reproduction is called ?
A. Mitosis
B. Replication
C. Cloning
D. Biological control
View Answer
Answer: Option C

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

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

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

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 high temperature for just few sec.
D. It can be used to preserve vegetables and meat.
View Answer
Answer: Option D

118. Protein factory is___________?
A. nucleus
B. ribosome
C. golgi complex
D. centriole
View Answer
Answer: Option B

119. What is the mode of transmission of Hepatitis virus?
A. Aerosol
B. Parentral (via blood)
C. Skin penetration
D. Unknown
View Answer
Answer: Option B

120. Smallest disease causing agents in plants are ?
A. virion
B. mycoplasma
C. viroids
D. prions
View Answer
Answer: Option C

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

122. The major cell infected by the HIV is lymphocyte ?
A. helper-T
B. B
C. both T and B
D. none of these
View Answer
Answer: Option A

123. Vaccine was first developed by_______________?
A. Louis Pasture
B. Edward Jenner
C. Jaber Ibn Hayan
D. Aristotle
View Answer
Answer: Option B

124. Pigment present in red algae is_____________?
A. fucoxanthin
B. phycocyanin
C. phycoerythrin
D. bilirubin
View Answer
Answer: Option C

125. Which disease has been totally eradicated from the world because of effective vaccination?
A. Measles
B. Polio
C. Small pox
D. Hepatitis
View Answer
Answer: Option C

126. Nutrition in fungi is___________?
A. Photosynthetic
B. Chemosynthetic
C. Completely parasitic
D. Absorptive heterotrophs
View Answer
Answer: Option D

127. Which of the following statement 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
View Answer
Answer: Option D

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

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

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

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
View Answer
Answer: Option D

132. True roots absent in_____________?
A. ferns
B. bryophytes
C. gymnosperms
D. angiosperms
View Answer
Answer: Option B

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
View Answer
Answer: Option D

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

135. Which of the following is not a viral disease?
A. Cowpox
B. Mumps
C. Tetanus
D. Small pox
View Answer
Answer: Option C

136. Enzyme present in the saliva is_____________?
A. lipase
B. trypsin
C. ptyalin
D. invertase
View Answer
Answer: Option C

137. In human body 99% of total mass is formed of_____________?
A. 16 Bio-elements
B. 12 Bio-elements
C. 10 Bio-elements
D. 6 Bio-elements
View Answer
Answer: Option D

138. Nitrogen is present in___________?
A. carbohydrates
B. proteins
C. lipids
D. carbonates
View Answer
Answer: Option B

139. Biological organization is_____________?
A. simple
B. advance
C. complex
D. highly complex
View Answer
Answer: Option D

140. Operculum is present in_____________?
A. bony fish
B. sea fish
C. cartilaginous fish
D. none of these
View Answer
Answer: Option A

141. The arrangement of ________ speaks of the division of labour within cell?
A. Molecule
B. Subatomic particles
C. Atoms
D. Organelles
View Answer
Answer: Option D

142. In which animal respiratory surface are found in more than one organ?
A. birds
B. human
C. fish
D. frog
View Answer
Answer: Option D

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

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

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

146. From right ventricle blood is pushed into?
A. pulmonary trunk
B. brain
C. aorta
D. body
View Answer
Answer: Option A

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

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

149. Study of insects is called_________?
A. Immunology
B. Parasitology
C. Entomology
D. Paleontology
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Answer: Option C

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

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