The most probable place where life would have originated (1) Outer space (2) Barren rocks (3) In oceans (4) Deep hydrothermal vents The Search for Life’s Origin Understanding where life […]
Tag: CSIR NET Life Science Previous Year Questions and Solution on Origin of cell and Unicellular Evolution
CSIR NET Life Science Previous Year Questions and Solution on Origin of cell and Unicellular Evolution
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CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
The Gases Used by Urey and Miller: Supporting Oparin and Haldane’s Hypothesis on the Origin of Life
Gases used by Urey and Miller for experimentation support to Oparin and Haldane hypothesis for origin of life was (1) Hydrogen, methane and Ammonia (2) Hydrogen, methane and CO2 (3) […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
How Chemolithotrophs Thrive: Obtaining Carbon and Energy from the Inorganic World
Chemolithotroph obtain their carbon from CO2andenergy from (1) Sunlight (2) Water (3) Inorganic compounds (4) Organic compounds What Are Chemolithotrophs? Chemolithotrophs (from the Greek words chemo for chemical, litho for rock, and troph for nourishment) are […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Unraveling the Most Ancient Mode of Energy-Generating Metabolic Reactions: From Primitive Earth to Modern Life
The most ancient mode of energy generating metabolic reactions are (1) Photosynthesis (2) Oxidation of Nitrate (3) Oxidation of sulphate (4) Reduction of phosphate The Primordial Earth and Early Metabolism […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
How the Prebiotic Environment Differed: Why Free Oxygen Was Absent in Earth’s Earliest Atmosphere
Prebiotic environment was different from present environment and was devoid of (1) CO2 (2) atmosphere (3) O2 (4) N2 The Prebiotic Environment: Earth’s Early Setting The term “prebiotic” refers to […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Unraveling the Miller-Urey Experiment: The Role of Electric Spark as the Energy Source for Simulating Life’s Origins
Source of energy for Urey and Miller experiment was (1) Electric spark (2) UV (3) Glycine (4) ATP The Miller-Urey Experiment: A Landmark in Origin-of-Life Research Stanley Miller and Harold […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Which Gas Was Absent During the Primitive Origin of Life? Exploring Earth’s Early Atmosphere
Among the following which gas was totally absent during period of primitive origin of life (1) Oxygen (2) Hydrogen (3) Methane (4) Ammonia The Primitive Atmosphere of Earth Earth’s atmosphere […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Where Did Life Begin? Exploring the Most Probable Site for the Origin of Life on Earth
According to the present understanding and evidences the most probable site for origin of life was (1) at deep sea hydrothermal vents (2) In open oceans (3) on different planet […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Identifying the Most Primitive Eukaryotes: Exploring the Earliest Branches of Complex Life
Among the following most primitive eukaryotes are- (1) Fungi (2) Diatoms (3) Archeozoa (4) Tricomonads The Rise of Eukaryotes Eukaryotic cells are distinguished by their nucleus, cytoskeleton, and membrane-bound organelles […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
What Were the First Organisms on Earth? Decoding the Origins of Life and the Earliest Life Forms
First organism evolved on earth were- (1) aerobic chemoheterotrophs (2) anaerobic chemoheterotrophs (3) aerobic autotrophs (4) anaerobic autotrophs The Primordial Earth and the Origin of Life Earth formed about 4.6 […]
