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Define the working of pH Meter?
The pH of a solution, we know, measures the degree of acidity or alkalinity relative to the ionization of water sample. A pH meter is a sophisticated voltmeter capable of reading small millivolt changes from the pH electrode system. It is an electric device that measures pH using an electrochemical cell. The function of the pH meter is to measure the potential difference (in mV) between the electrodes and convert it to a pH display.
Stems transport liquids (a) Cut about 2 cm from the end of stems of celery and place them in cold water for about an hour to freshen. Next place the stems in dishes having red
what is ribosomes
TYPES OF BLASTULA - Blastulas are of following type - 1 . STEREOBLASTULA - The blastocoel is very small. It's blastomere are less in num
(a) What is the distinction among 'breathing' and 'respiration'? (b) What part do 'ventilation' and 'gaseous exchange' play in these processes? (a) Breathing i
Q. Who were James Watson, Maurice Wilkins and Francis Crick? Watson (North American), Wilkins (New Zealander) and Crick (British) were the discoverers of the molecular structur
WHAT ARE TYPES OF EGG
How does the photoperiodism affect the flowering of some plants? Flowering is a typical and simple to observe instance of photoperiodism. Most flowering plants flower only duri
Recurrent Type In this type, euspory (seen in normal cases) is replaced by aneuspory (Diplospory) because of irregular meiosis. When the spore mother ceIl functions directly
How Cycling is beneficial for proper health Cycling is best for maintenance of fitness. It is a popular exercise and can be done by individual of all ages. Bicycle is required
Q. From which germ layer do blood cells originate? What are other organs and tissues made from that germ layer? Blood cells have a mesodermal embryonic origin and other organs
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