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Dissecting simple flowers
Label each of five cards or pieces of White paper with one of the following words: stamens, pistil, petals,sepals, receptacle. Dissect a flower carefully and place the parts gently on the appropriate cards .
Some flowers can be pulled apart quite easily but a knife or scissors may be needed for others kind of flower. When we have a sufficient number of flowers available this exercise is most Important as an individual pupil activity. Simple flowers with a single row of petals should be selected.Pick up one of the stamens and rub the anther lightly across a piece of black paper. Traces of pollen will usually be seen by you.Cut the ovary crosswise with a sharp knife gently and count the ovules or "seed pockets". Look for traces of seeds in the ovules
1.Summarize the evidence supporting the theory that the Cretaceous-Tertiary extinction, which includes the extinction of the dinosaurs, was precipitated to a significant degree by
Mutarotation:- The process whereby the configuration of an anomeric carbon converts from a and p and vice-versa.
A model reaction water turbine Use a soda water bottle from which the bottom has been separate. Wind string around it near the bottom end and suspend it as shown in the diagram
Question 1. Explain the routes of administration of drugs 2. List 4 antimuscarinic drugs and mention their uses 3. Explain the role of bronchodilators in the treatment of
Is zero an positive integer ?
Medieval Science: We can record the sum total of the medieval achievement in the natural sciences in a few lines. It can be put down as a few notes on natural history a
Question 1 Classify NSAIDS and discuss their mechanism of action. Discuss the general properties of NSAIDS Question 2 Describe briefly Pharmacodynamics and Pharmacokinetics?
what are characteristics of resistance
1. The Lennard-Jones potential is given by Where A and B depend on the depth of the potential well and the distance at which potential vanishes. Draw the profile of thi
Explain the Transport properties of Loop of Henle The loop of Henle, as shown in Figure, has a descending limb and an ascending limb. As the filtrate moves down the loop of Hen
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