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.Management Sciences
Category: Biology Mcqs
The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________?
A. Neutral point
B. Compensation point
C. Parallel point
D. Competitive point
MSH is produced from___________?
A. Anterior pituitary
B. Median pituitary
C. Posterior pituitary
D. None of these
Commonly in other plants than tall ones the speed of upward movement of water is____________?
A. 8mh-1
B. 1 mh-1
C. 7 mh-1
D. 4 mh-1
Functional units of lungs are called________?
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
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