Consider the following statements regarding the advantages of biofertilizers and choose the correct answer:
1. Biofertilizers enhance crop yield even under ill irrigated conditions
2. Biofertilizers do not cause atmospheric pollution
3. Biofertilizers are cheap and economical
4. Biofertilizers improve physical and chemical properties of soil
A. Only 1 and 4 are true
B. Only 3 and 4 are true
C. 1, 2, 3 and 4 are true
D. Only 1 is true
Answer: Option C
Related Questions on 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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