Describe the major features of endosymbiont theory of origin of chloroplast and mitochondria.
See Answer →Chloroplast and mitochondria are the semi autonomous organs. Justify the statement.
See Answer →Enlist the major functions of Golgi bodies.
See Answer →Explain the structure of DNA with the help of a well labelled diagram.
See Answer →Give an outline of polypeptide synthesis in bacteria.
See Answer →With the help of a well labelled diagram describe the major differences between prokaryotic and eukaryotic cells.
See Answer →Define the following:
i) Plasmodesmata
ii) Micelle
iii) Retention factor
iv) Microbodies
v) Replicon
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State whether these statements are ‘True’ or ‘False’.
i) In descending chromatography, the solvent travels down the paper and the movement of solvent is assisted by gravity.
ii) Gas chromatography is generally used for thermo-unstable and non-volatile samples.
iii) Diaphragm (Iris) regulates the amount of light entering the condenser in the microscope.
iv) The cells of prokaryotes are simpler than those of eukaryotes and lack internal compartmentalization and complexity.
v) The progression of a cell to the next stage in the cell cycle can be halted at specific points.
See Answer →How does ABA acts as a stress hormone?
See Answer →What are the different biochemical and morphological changes recorded in plants in response to stress conditions? Discuss.
See Answer →What are allosteric enzymes? Discuss with the help of an example.
See Answer →Distinguish between short day and long day plants giving two examples of each. What is the role of phytochrome in flowering?
See Answer →. Enumerate the naturally occurring hormones in plants. Discuss the discovery, structure, mode of action and practical applications of any one of them.
See Answer →Discuss the ‘sink’ to ‘source’ transition during phloem unloading.
See Answer →Describe the Munch Mass Flow model of translocation of solutes.
See Answer →Describe the glutamate synthase (GOGAT) route of ammonium assimilation.
See Answer →What are diazotrophs? Distinguish between the eukaryotic and bacterial nitrate reductase enzyme.
See Answer →Graphically illustrate the effect of substrate concentration on the rate of an enzyme mediated reaction.
See Answer →Describe the process of glycolysis with the help of a labelled diagram.
See Answer →Name two CAM plants
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