Dinosaurs become extinct during (1) 1.6 billion year ago (2) 6.5 billion year ago (3) 6.5 million year ago (4) 65 million year ago Introduction The extinction of dinosaurs is […]
Category: CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Where Did Life Begin? Exploring the Most Probable Place for the Origin of Life on Earth
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 […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
When Did Reptiles Reach Their Maximum Diversity? Exploring the Cretaceous Peak
During earth life history maximum diversity of reptiles was during? (1) Cretaceous (2) Jurassic (3) Ordovician (4) Triassic Introduction Reptiles have a long evolutionary history, with their origins tracing back […]
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
The Correct Sequence of Human Cultural and Civilizational Evolution
Which is correct sequence of evolution of human culture and civilization? (1) Cave painting> burial>agriculture >pottery (2) Cave painting>agriculture>burial>Pottery (3) Cave painting > burial>Pottery>Agriculture (4) Agriculture>burial> Pottery>Cave painting Introduction Human […]
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
Which Era Is Characterized by Dramatic Diversification Among Eukaryotes?
Which era is characterized by dramatic diversification among eukaryotes? (1) Cambrian (2) Devonian (3) Carboniferous (4) Triassic Introduction The history of life on Earth is punctuated by periods of rapid […]
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
The Greatest Mass Extinction in Earth’s History: The End-Permian Event
Highest mass extinction during history of earth was observed during (1) End of Permian (2) End of cretaceous (3) End of Devonian (4) End of carboniferous Introduction Throughout Earth’s long […]
