During the early origin of earth oxygen was absent in environment. Later on the oxygen increased and reached to present level. The main source of oxygen was (1) Photosynthesis (2) […]
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CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
The Greatest Diversification of Life on Earth: The Cambrian Period
During which geological period did the greatest diversification of life on earth occur? (1) Permian (2) Jurassic (3) Cambrian (4) Ordovician Introduction The history of life on Earth is marked […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Amino Acids: The First Biomolecules Synthesized in the Lab to Explain the Origin of Life
To explain origin of life the first biomolecule generated under lab condition were (1) Amino acids (2) Nucleic acids (3) Carbohydrates (4) Lipids The Challenge of Explaining Life’s Origins The […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
The Correct Order of Geological Periods: From Paleozoic to Mesozoic Era
The correct order of periods from Palaeozoic to Mesozoic era is (1) Triassic → Jurassic → Cretaceous → Cambrian → Ordovician → Silurian → Devonian → Carboniferous → Permian (2) […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Arranging Geological Periods: From the Earliest to the Most Recent
Consider the following four geological periods. A. Quaternary B. Cretaceous C. Jurassic D. Cambrian Which one of the following options represents the correct arrangement of these geological periods from earliest […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Coacervates: The Bubble-Like Structures Central to Oparin’s Theory of Life’s Origin
The term used for bubble like structure generatedduring early process of origin of life by Oparin is (1) Protobionts (2) Probiont (3) Micelles (4) Coacervates The Quest for Life’s Origins: […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
Which Biomolecule Can Self-Replicate? Exploring the Unique Property of Nucleic Acids
Which biomolecule has property of self replication? (1) Protein (2) Carbohydrate (3) Lipids (4) Nucleic Acid The Four Major Biomolecules: An Overview Before identifying which biomolecule can self-replicate, it […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
When Did Dinosaurs Become Extinct? The End of an Era
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 […]
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 […]
