According to the morphological and anatomical evidences of organic evolution, the similarity in the structure of the strobili of Lycopods and gymnosperms prove that
A. Lycopods and gymnosperms had common ancestors
B. Gymnosperms might have evolved from the Lycopods
C. Gymnosperms and Lycopods gave rise to similar kind of plants in due course of evolution
D. Lycopods might have evolved from Gymnosperms
Answer: Option B
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
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