Which is still a favourite idea for some astronomers
Spores
Panspermia
Gamets
Sperms
Related Questions
Big-Bang theory attempts to explain the origin of
Earth
Solar-system
Universe
Contenents
The concept that the species have changed over long period of time is known as
Ecology
Embryology
Spontaneous generation
Organic evolution
Coacervates are
Protobionts having polysaccharide, protein and
Protein aggregate
Protein and lipid aggregates
None of the above
The first enzyme on the primitive earth was/were
Proteins
DNA
RNA
Amino acids
First autotrophs on the primitive earth was/were
Aerobic
anaerobic
Both (1) and (2)
Photosynthetic protist
Abiogenesis first, but biogenesis ever since was said by
Louis Pasteur
Charles Darwin
Alexander Oparin
Stanley Miller
Life cannot originate from inorganic materials now because of
Low atmospheric temperature
High degree of pollution
High atmospheric oxygen
Absence of raw materials
The idea that the life originates from pre-existing life is referred as
Biogenesis theory
Special creation theory
Abiogenesis theory
Extraterrestrial theory
…A… of Russia and …B…. of England proposed that the first form of life could have come from …C… non-living organic molecule. Choose the right option for A, B and C to compete the given NCERT statement
A-Oparin, B-Haldane, C-Post-existing
A-Haldane, B-Oparin, C-Post-existing
A-Oparin, B-Haldane, C-Pre-existing
A-Haldane, B-Oparin, C-Pre-existing
How did George Cuvier accounts for the extinctions in nature
Extinctions never occur there are unexplored parts of the globe where the organisms that appears to have gone extinct may still live
Extinctions occur when the slow adaptations of the organisms overtime to their environment are not quick enough to help them respond to changing conditions
Extinctions occur at random, they do not reflect God’s will
Extinctions occur due to the catastrophic events
