The kind and amount of fertilizers to be applied to the soil are determined considering which of the following points?
A. Kinds of crops to be given - particularly its economic value, nutrient removal and absorbing ability
B. Chemical condition of soil in respect of total nutrients and available nutrients
C. Physical state of the soil, especially as to moisture content and aeration
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
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