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Demonstrating an eclipse of the moon
Use a flash light or a lighted candle in a darkened room to show the sun. Hold an 8 cm rubber ball in one hand to show the earth. Hold a 2-cm ball in the other hand to show the moon. Hold the ball demonstrating the earth in the beam of light from the flash light and observe the shadow cast by the earth. Next pass the smaller ball or moon at the back the earth into the shadow. The moon will be in eclipse while it passes by the earth's shadow.
Explain Macrophages They are large, long living effective phagocytes, which enlarge out of monocytes. It is an irregular cell about 25-50 mm in size. It has a large ovoid nucle
Explain Inhibitory Factors Haemopoiesis may be inhibited by a decrease in the live1 of stimulatory growth factors. Generally there is a competition. No particular substance ca
What are decomposers in a temperate deciduous forest? In the Deciduous Forest, many decomposers that are living there contain fungi, bacteria, and yes, even worms.
Q. List any three human activities which would lead to an increase in the carbon dioxide content of air (i) Burning of fuels in various processes like heating, cooking, transpor
Question 1. Discuss the biological factors influencing radioactivity. 2. Explain the quality assurance of computed Tomography. 3. Write short notes on the following
What is a floodplain? If a river tends to flood, the most practical solution might be to designate a more or less flat area along the river as the "floodplain". This Area is p
Define Nutrition To common man, the word 'Nutrition' implies food. Food is essential for growth and development. Physiology becomes an interlink between nutrition and healthy h
Explain the Serum Creatinine Test Creatinine is a breakdown product of creatine, an important component of muscle. A serum creatinine test measures the amount of creatinine in
how much bones are in human body?
which nutrient contains carbon, hydrogen, oxygen, nitrogen and sometimes sulphur and phosphorus?
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