Which of the following plant groups evolved during the Silurian period? (1) Bryophyta (2) Psilophyta (3) Lycophyta (4) Spherrophyta Introduction The Silurian period, spanning approximately 443 to 419 million […]
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
Why Did Complex Eukaryotic Cells Evolve? The Role of Energy Efficiency and Cellular Organization
Complex eukaryotic cells may have evolved fromsimpler prokaryotic cells because complexity oforganization increases the (1) growth rate (2) efficiency of energy utilization (3) tolerance to starvation (4) Ability to attain […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
The Cambrian Period: The Explosive Increase in Marine Invertebrate Diversity
During which geological period was there an explosive increase in the number of many marine invertebrate phyla? (1) Ordovician (2) Devonian (3) Permian (4) Cambrian Introduction The history of life […]
CSIR NET Life Science Previous Year Questions and Solution on EVOLUTION AND BEHAVIOUR
The Main Source of Earth’s Oxygen: How Photosynthesis Transformed the Planet’s Atmosphere
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) […]
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 […]
