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Observing pollen grains from different flowers
First of all we have to Secure several flowers in which the pollen has formed on the stamens.Shake pollen from each kind of flower on different pieces of black or dark paper. Observe each type of pollen with a magnifying glass and note any differences that pollen having .
How is life originated ?
For highly volatile liquid wastes Highly volatile liquid waste could be disposed of by effective ventilation until the liquid completely evaporates. Example: Diethyl ether.
Define the Mechanism of Hormone Action Hormones affect cell function either by activating cyclic AMP (Adenosine monophosphate) mechanism or by activating genes. You may recall
Observing changes of position of the earth with respect to the sun Mark a line on the floor or the wall where the sun shines in your room. Note the exact month, day and hour. A
Artificial Satellites Tireless Servants in the Sky The space crafts that move in an orbit around the earth are called artificial satellites. Most satellites go around the
define carbohydrates.give a brief account on classification of carbohydrates.
Explain the Autonomic Nervous System (ANS) The autonomic or involuntary part of nervous system controls the functions of the body carried out automatically i.e. initiated in th
TO SHOW WHERE AIR MAY BE FOUND 1) Plunge a narrow-necked bottle, mouth down into ajar of water. Slowly tip the mouth of the bottle in the direction of the surface of the water
Explain the Functions of Unicellular Organism You might wonder what functions a single-celled organism is capable of performing. Surprisingly, a unicellular organism is able to
Air expands when heated To show that air expands when heated, fit an electric light bulb flask or a bottle with a single- whole stopper or cork which has a 30-cm length of glas
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