Hamad Biology Mcqs 09/09/2021 A. Calcium B. Silica C. Chitin D. Both A & B Related Mcqs: Un-separated replica of chromosome is called___________?A. Chromatin B. Kinetochore C. Chromatid D. Centromere... 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... Which system is present in nematodes?A. Sac – like digestive system B. Tube – like digestive system C. Circulatory system D. Respiratory system... The number of chromosomes in human cell is_____________?A. 48 B. 44 C. 46 D. 26... Hornwarts are included in sub-class of __________?A. Anthoceropsida B. Bryopsida C. Hepaticopsida D. Psilopsida...
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