How would you describe senescence? Write down its different types with bried. description and how it can be regulated in plants?
See Answer →List the functions of Auxins, Gibberellins, Cytokinins and Abscisic acid.
See Answer →Describe Munch Pressure Flow Model & Protosmotic Model for the mechanism of translocation in phloem
See Answer →Make a Z scheme to demonstrate the movement of electron in PSI and PSII and for reduction of NADP+ to NADPH.
See Answer →Make a list of macronutrients and micronutrients and give the function of at least two from each category.
See Answer →What are the functions of essential elemens?
See Answer →Imbibition
See Answer →Osmotic pressure
See Answer →Percentage Water potential (PWP)
See Answer →Permanent Wilting
See Answer →Field capacity
See Answer →Effect of gastric hormones
See Answer →Modes of respiration in animals
See Answer →Factors responsible for deaths due to heat
See Answer →Regulation of kidney function.
See Answer →Why do animals exhibit differences between their essential food requirements? Where does the absorption of carbohydrates, lipids and amino acids take place in the vertebrate body? Describe the method of glucose absorption.
See Answer →What does an oxygen dissociation curve show? Draw and compare the oxygen dissociation curves of haemoglobin and myogobin.
See Answer →Why does hyperventilation before diving cause unconsciousness in divers?
See Answer →Answer the following briefly:
i) Why don’t Paramecium and jelly fish have a circulatory or respiratory system?
ii) Mention any two functions of plasma proteins.
iii) How does sex determination take place in birds?
iv) Why does a mouse looking for food use upto thirty times more energy than a lizard of the same weight?
See Answer →What kind of hormones bind to cell surface receptors? Explain the mechanism of action of one such hormone in a target cell with the help of a diagram.
See Answer →