Biology
51. Which one of them is a micro-molecule?
a. Polysaccharide
b. Protein
c. Hemoglobin
d. ATP
52. 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
53. Hemodialysis means cleaning of ________?
a. Urine
b. Blood
c. Glomerular filtrate
d. Coelomic fluid
54. In animal coordination is achieved by means of?
a. Nervous system
b. Endocrine system
c. Respiratory system
d. Both a and b
55. Production of sweat and sebum is related with?
a. Skin
b. Liver
c. Lungs
d. GIT
56. 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
57. The evaporative cooling in the respiratory tract of dogs is called?
a. Vasodilation
b. Vasoconstriction
c. Panting
d. All of these
58. Different species of plants and animals living in the same habitat is called?
a. Population
b. Community
c. Biome
d. Habitat
59. Which of the following pathogen type cause disease that can be treated with antibiotics?
a. Bacteria
b. Fungi
c. Virus
d. None of these
60. A large regional community primarily determined by climate is called?
a. Population
b. Community
c. Biome
d. Habitat
61. Most cell membranes are composed principally of?
a. DNA and Protein
b. Protein and Lipids
c. Protein and Chitin
d. Protein and RNA
62. 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
63. 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
64. 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
65. 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
66. 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
67. Proteins are made from amino acids by the process of ________?
a. Hydrolysis
b. Pinocytosis
c. Dehydration synthesis
d. Active transport
68. Biological sciences have a set methodology and it is based on?
a. Experimental inquiry
b. Esthetic preference
c. Philosophical ideas
d. Imaginations
69. Which is an organic compound found in most cells?
a. Water
b. Glucose
c. Oxygen
d. Sodium chloride
70. A series of hypothesis supported by the results of many tests is called?
a. Scientific law
b. Theory
c. Data
d. Deduction
71. 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
72. Which one is not correct for a productive theory?
a. It is predictive
b. It has explanatory power
c. It discourages suggestion of different hypothesis
d. None of these
73. Conclusion of Mendel's work latter became a _________?
a. Scientific hypothesis
b. Theory
c. Scientific law
d. Productive theory
74. Starch is converted into maltose by?
a. Diastase
b. Invertase
c. Maltase
d. Amylase
75. 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 Technique
76. Co-enzyme is often formed from?
a. Lipid
b. Protein
c. Inorganic Ion
d. Vitamin
77. Messenger RNA is formed in _________?
a. Nucleus
b. Chloroplast
c. Mitochondria
d. None of these
78. Astronauts may use which technique to grow fruits and vegetables?
a. Tissue Culture Technique
b. Cloning
c. Pasteurization
d. Hydroponic Culture Technique
79. Number of chromosomes in E.coli?
a. 1
b. 2
c. 4
d. 6
80. What 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
81. Protein factory is ________?
a. nucleus
b. ribosome
c. golgi complex
d. centriole
82. What is the mode of transmission of Hepatitis virus?
a. Aerosol
b. Parental (via blood)
c. Skin penetration
d. Unknown
83. Smallest disease causing agents in plants are?
a. Virion
b. Mycoplasma
c. Viroids
d. Prions
84. Which disease can be controlled by vaccination?
a. Measles
b. Cancer
c. Diabetes
d. Heart attack
85. The major cell infected by the HIV is lymphocyte?
a. helper-T
b. B
c. both T and B
d. none of these
86. Vaccine was first developed by _________?
a. Louis Pasture
b. Edward Jenner
c. Jaber bin Hayan
d. Aristotle
87. Pigment present in red algae is ________?
a. Fucoxanthin
b. Phycocyanin
c. Phycoerythrin
d. Bilirubin
88. Which disease has been totally eradicated from the world because of effective vaccination?
a. Measles
b. Polio
c. Small pox
d. Hepatitis
89. Nutrition in fungi is _________?
a. Photosynthetic
b. Chemosynthetic
c. Completely parasitic
d. Absorptive heterotrophs
90. 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
91. Fungi resemble plants because they lack ________?
a. Cell wall
b. Cytoplasm
c. Centriole
d. Nucleus
92. Which treatment is instituted in a cancerous patient?
a. Antibiotic therapy
b. Radiotherapy
c. Gene therapy
d. None of these
93. Which is a parasitic plant?
a. Cuscuta
b. Rose
c. Ferns
d. Mosses
94. 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 involves methods of sexual reproduction
95. True roots absent in ________?
a. Ferns
b. Bryophytes
c. Gymnosperms
d. Angiosperms
96. 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
97. The mechanism for ATP synthesis is _________?
a. Chemosynthesis
b. Photosynthesis
c. Phosphorylation
d. Chemiosmosis
98. Which of the following is not a viral disease?
a. Cowpox
b. Mumps
c. Tetanus
d. Small pox
99. Enzyme present in the saliva is ________?
a. Lipase
b. Trypsin
c. Ptyalin
d. Invertase
100. 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
