Hamad Biology Mcqs 03/07/2020 A. 20-40% B. 40-50% C. 60-80% D. 80-100% Related Mcqs: The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?A. Molecular biologists B. Microbiologists C. Freshwater biologists D. Social biologist... The major cell infected by the HIV is lymphocyte ?A. helper-T B. B C. both T and B D. none of these... The main types of plastids are___________?A. Chloroplasts B. Chromoplasts C. Leucoplasts D. All of these... The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by________?A. Environmental biologist B. Paleontologist C. Marine biologist D. Social biologist... The normal pH of human blood is____________?A. 6.4 B. 7.0 C. 7.4 D. 7.5...
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