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Biology

Biology
The number of chlorplasts in a cell of Spirogyra is

43838
43834
43869
43844

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Biology
Which of the following plays an important part in photosynthesis?

Chloroplast
Centrosome
Nematoblast
Tonoplast

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Biology
It is the study of hereditary characters transmitted from parents to offspring.

Embryology
Evolution
Molecular Biology
Genetics

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Biology
When the diaphragm and external intercostal muscles contract,

The volume of the thorax decreases
The volume of the lungs decreases
The lungs shrink
The volume of the thorax increases

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Biology
Homeostasis is the condition in which the body maintains

A changing state within an unlimited range
A static state with no deviation from preset points
A relatively stable internal environment within limits
The lowest possible energy usage

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Biology
Rate of transpiration can be measured by

Porometer
Ganong's potometer
Auxanometer
Respirometer

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