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.Management Sciences
Category: Biology Mcqs
Functional units of lungs are called________?
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A. Alveoli
B. Air sacs
C. Parabronchi
D. None of these
Two or more populations of different species living and interacting in the same area form
A. Biosphere
B. Community
C. Population System
D. Ecosystem
E. Species
In all plants the major sites of phosynthesis are___________?
A. Leaves respire and utilize O2 and release CO2.
B. Stems
C. Roots
D. Branches
Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
A. Theodor Schwann and Schleiden
B. Rudolph Virchows
C. Louis Pasteur
D. Both b and c
Of the following which one is not the characteristic of triploblasts?
A. All of them have blood vascular system
B. They may be coelomate pseudocoelomate or acoelomate
C. They are included in grade bilaterian
D. All of them have digestive system
Of the following, which one is a contagious disease?
A. Tuberculosis
B. Lungs cancer
C. Asthma
D. Emphysema
Which of the following organ is responsible for blood filtration:
A. Liver
B. Kidney
C. Lungs
D. Heart
They are widespread as protective coatings on fruits and leaves?
A. cholesterol
B. waxes
C. chitin
D. all of these
Chlorophyll is insoluble in_____________?
A. Carbon tetrachloride
B. Alcohol
C. Organic solvents
D. Water
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