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Germinating pollen grains
Apparatus Used-Make a strong sugar solution and place it in a shallow dish like a saucer or Circular Plate. Shake pollen from several Different kinds of flowers onto the surface of the sugar solution. Cover the solutions with a sheet of glass and stand in a warm place for several hours. If the experiment is successful we will be able to see little tubes Slowly growing from the pollen grains. Use a hand lens to observe experiment completly.
Explain Iinmunoglobulin E - classification of antibodies Protects against organisms which escaped IgA, major deference against helminthes, mediates allergy. On coming in contac
Another way to observe the buoyancy of water Push a large cork to the bottom of a pail of water. Notice the quantity of force you have to apply to hold the cork at the bottom.
why say f=ma
why do all objects have a pull between each other
Q.How does the atmosphere act as a blanket? The atmosphere acts as a blanket by performing the following functions: (a) It keeps the average temperature of the Earth fairly c
QUESTION (A) Define Psychology (B) Why is psychology considered a science? (C) (i) Clinical and Counselling psychology sound similar. How do they differ? (ii) Discuss a
Fire Barriers : When a fire starts in a building it spreads quickly by: a) Radiation - Intense heat radiates to neighbouring surfaces which are rapidly heated to ignition poi
Hard and soft water in cleaning Prepare two samples of dirty cloth. Wash one in soft water with soap unless it is clean. Wash the other cloth in hard water for the similar leng
When, in the geological time scale, did dinosaurs first appear: Triassic
Check-in Sequences At the time of opening the lab, the following need to be kept in mind: 1. Ensure that the door locks have not been tampered. If any tampering is detected
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