The Oparin-Haldane theory regarding origin of life suggests that
A. Most of the living organisms once originated due to a number of chemical reactions in the earth
B. Complex organic molecules would have been formed through a series of chemical reactions in the earth's 'primordial soup'
C. Abundant energy must have been available in the form of heat, cosmic rays and lightning to drive the chemical reactions
D. Both B and C
Answer: Option D
This Question Belongs to Biology GK Chapter Wise >> Gentics And Evoloution
A piece of DNA molecule that can serve as a carrier for the gene to be cloned is called as a
A. Virus
B. Vector
C. DNA junk
D. Gene factor
A haploid organism contains only one set of chromosomes, and is said to be
A. Homozygous
B. Heterozygous
C. Hemizygous
D. Holozygous
Which of the following is the correct pair?
A. Darwin - Use and disuse of organs
B. de Vries - Mutation theory
C. Lamarck - Origin of life
D. Haldane - Law of heredity
Join The Discussion