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Exam Preparation: Biology Multiple Choice Questions PDF p. 137

Solve Exam Preparation Biology multiple choice questions and answers, exam preparation biology quiz answers PDF 137 to learn O Level Biology course for college certification. Learn Ecology O level Biology MCQ trivia questions, exam preparation biology Multiple Choice Questions (MCQ) for online college degrees. Exam Preparation: Biology MCQ PDF: mammalian skin, poppies, opium and heroin, structure of nephron, examples of homeostasis in man, exam preparation: biology test prep for best online SAT prep class.

"In any ecosystem, the ultimate source of energy is", exam preparation biology Multiple Choice Questions (MCQ) with choices sun as radiant energy, plants as primary consumers, secondary consumer, and heterotroph for GRE practice test. Solve ecology o level biology questions and answers to improve problem solving skills for GRE test.

Exam Preparation: Biology Questions and Answers MCQs


In any ecosystem, the ultimate source of energy is

plants as primary consumers
sun as radiant energy
secondary consumer


If heat loss center is activated in hypothalamus, the control mechanism include all, but

rapid breathing
lower metabolic activity
lesser convection


Each nephron consists of

distal convoluted tubule
proximal convoluted tubule
Bowman' capsule
all of above


Number of alkaloids in opium are at least



Growth of bacteria in hair follicle is prevented through


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