Biology MCQs for MDCAT/ MCAT and Test Preparation

81. What does the phrase “bio diversity” mean?

(a) Life

(b) Diversity

(c) Both of these

(d) None of these

82. What is the variety of organisms seen in various ecosystems known as?

(a) Bio physics

(b) Bio economic

(c) Bio diversity

(d) Hypothesis

83. Which of the following best describes the value of biological diversity?

(a) Food for human beings

(c) Production of drugs

(b) Both of these

(d) None of these

84. Neomycin and erythromycin are, derived from:?

(a) Algae

(b) Fungi

(c) Both of these

(d) None of these

85. Biodiversity is, the essential component, of?

(a) Biology

(b) Zoology

(c) Ecosystem

(d) None of these

86. There are plants, which depends on the, bees for pollination?

(a) 120,000

(b) 130,000

(c) 110,000

(d) 109,000

87. How can biologists categorise organisms into groups and subgroups based on their similarity and diversity?

(a) Bio diversity

(b) Classification

(C) Division

(d) None of these

88. Who was classified, organisms on the basis of, habitat?

(a) Karl Marx

(b) Bu ali sina

(c) Aristotle

(d) none of these

89. Carolus Linnaeus, a Swedish naturalist, proposed a system of many ranks or levels for the classification of organisms.

(a) Taxa

(b) Taxon

(c) None of these

(d) Both of these

90. What is the smallest and most fundamental unit of calcification?

(a) Groups

(b) Protista

(c) Species

(d) Taxa