GROWTH
sanaThe quantitative increase in plant body is called growth. Following processes are involved in the growth and development of plants: Cell division Cell elongation Differentiation of cells into tissues and…
Morphological Characters of Leaves
sidraLeaves are green flat structures borne on the stem or on the braches. Leases arise from the nodes. I hey have buds in their axils. Lein es increase the surlitee…
Objective Questions of Nitrogen Metabolism
Multiple Choice Questions (MCQs) Which of the followings is an anaerobic bacterium? (a) Azotobacter (b) Nitrobactor (c) Clostridium (d) None Which of the followings is non-aerobic bacterium? (a) Azotobacter (b)…
Subjective And Short Questions For Nitrogen Metabolism
MODEL SUBJECTIVE QUESTIONS: Write note biological nitrogen fixation. Give mechanism of biological nitrogen fixation. Write note on symbiotic bacteria. SHORT QUESTION: Define biological nitrogen fixation. Ans: The synthesis of organic…
Definition & key points of Nitrogen Metabolism
TERMS DEFINITIONS Nitrogen fixation The synthesis of organic nitrogenous compounds from atmospheric nitrogen by certain microorganisms is called biological nitrogen fixation. Asym biotic organism The free living nitrogen fixing organisms…
Biological Nitrogen fixation mechanism
Following reactions take place during biological nitrogen fixation: Formation of ammonia: Nitrogen is reduced to ammonia in the bacterioids as follows: N2 + 81 + 16ATP + SH ________________ 2N1-13…
Objectives & Fill in the blanks of Molecular Genetics
rubabMultiple Choice Questions (MCQs) The model of DNA replication in which one strand is conserved and other is synthesized is: (a) Conservative (b) Semi-const rvative(c) Dispersive (d) None In semi-conservativt…
Biological Nitrogen Fixation
The synthesis of organic nitrogenous compounds from atmospheric nitrogen by certain microorganisms is called biological nitrogen fixation. Higher plants cannot directly utilize molecular nitrogen of the atmosphere. But certain micro-organisms…
Subjective & Short Questions of Molecular Genetics
SUBJECTIVE QUESTIONS 1-Describe process of DNA replication. Discuss nature of gene. Write note on genetic code. Describe transcription. Describe process of protein synthesis. Describe regulation of gene expression in prokaryotes.…
Objective Questions of Respiration
Multiple Choice Questions (MCQs) Number of CO2 molecules used released during respiration. (a) 2 (b) 5 (c) 6 (d) I 2 Net number of ATP produced during glycolysis: (a) 2 …