The major functions, which ectomycorrhizae perform, include
A. Absorption of water
B. Solubilisation of complex organic molecules into simple organic nutrients, their absorption and transfer to the roots
C. Protection of plants from attack of disease-inciting pathogens by secreting antimicrobial substances
D. All of the above
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