genetics, evolution of life & ecological biodiversity - Category wise Question and Answer Practice Test with Solutions
genetics, evolution of life & ecological biodiversity PRACTICE TEST [5 - EXERCISES]
set 1
set 2
set 3
set 4
set 5
Question : 7
Match List-I with List-II :
List-I | List-II |
A. Discovery of transduction and conjugation | 1. Khurana |
B. Establishing the sex-linked inheritance | 2. Kornberb |
C. Isolation of DNA polymerase from E. coli | 3. Lederberg |
D. Establishing the complete genetic code | 4. Morgan |
a) 4 3 1 2
b) 3 4 1 2
c) 4 3 2 1
d) 3 4 2 1
Answer »Answer: (c)
Question : 9
The book ‘Origin of Species’ is written by
a) Darwin
b) Watson
c) Aristotle
d) Lamarck
Answer »Answer: (a)
'Origin of Species' book was written by Charles Robert Darwin.
During his world journey (1831–1936) as a naturalist on the H.M.S. Beagle ship, he visited many parts of the world. On the basis of the observations of this journey, he wrote the book thereby describing his theory of natural selection.
Question : 10
Down’s syndrome is due to
a) chromosome number increase in 18th pair autosome
b) chromosome number decrease in 21st pair autosome
c) chromosome number increase in 21st pair autosome
d) chromosome number decrease in 18th pair autosome
Answer »Answer: (c)
Down syndrome is a case of Trisomy 21, a genetic disorder caused by the presence of all or part of a third copy of chromosome 21.
IMPORTANT general science mcq EXERCISES
set 1 Online Quiz
Click to Start..general science mcq CATEGORIES
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» Measurement And SI Units
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» Measuring Devices And Scales
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» Mechanics (Mass, Force, Acceleration, Work, Energy, Momentum, Velocity)
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» Force Of Gravity, Solids And Fluids
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» Motion Under Gravity
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» Physical Properties Of Materials
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» Light, Heat, Thermodynamics, Wave Motion, Sound, Optics & Oscillations
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» Electric Current And Magnetism
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» Nuclear Physics And Conductivity
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» Modern And Space Physics, Sources Of Energy
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» General Concepts Of Chemistry
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» Nature Of Matter And Composition
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» Atomic Structure Molecules And Nuclear Chemistry
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» Classification Of Elements, Chemical Bonding, Periodicity In Properties & Physical Transformation
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» Metals, Non Metals, Minerals, Ores, Properties, Uses
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» Alloys, Carbon & Its Various Forms, Hydrogen & Compounds, Sulphur, Nitrogen, Halogen & Inert Gases
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» Acids, Bases, Salts And Metals
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» Hydrocarbon, Alcohol, Polymer, Organic Acid And Explosive Substance
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» Fuel, Food Preservation, Nutrition, Medicine, Detergents And Fertilizers
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» Inorganic Chemistry
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» Organic Chemistry
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» Environmental Chemistry
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» Some Important Man Made Materials
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» Sub Divisions Of Biology
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» Genetics, Evolution Of Life & Ecological Biodiversity
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» Taxonomy
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» Heredity
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» Biofertilizer
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» Biological Classification Cell Tissues And Division
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» Human Anatomy
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» Blood Transport System
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» Digestion And Excretion
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» Photosynthesis
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» Vitamins, Nutrition, Health, Disease And Treatment
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» Endocrine Glands, Hormones
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» Physiology Of Plants, Humans And Animals
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» Reproduction
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» Genetic Engineering And Bio Technology
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