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Board Name Rajasthan Staff Selection Board, Jaipur Department Name Medical, Health & Family Welfare Department (Rajswasthya), Rajasthan Recruitment Name RSMSSB ECG Technician Recruitment 2020 Salary Pay Matrix Level-L8 Total No. of Posts 195 Posts (Read Notification to check Category Wise Posts) Selection Process Merit-Based on Educational Qualification Bonus Marks 1 Year – 10 Marks 2 […]

1. What are the factors affecting the rate of diffusion? Solution: Factors affecting the rate of diffusion are: Gradient of concentration The permeability of the membrane separating them Temperature Pressure 2. What are porins? What role do they play in diffusion? Solution: The porins are proteins that form large pores in the outer membranes of

1. What is the average cell cycle span for a mammalian cell? Solution: Average cell cycle span for a mammalian cell is 24 hours. 2. Distinguish cytokinesis from karyokinesis. Solution: Cytokinesis Karyokinesis It is the cell division of cytoplasm occurs during the M phase of the cell cycle. It is the separation of daughter chromosomes

1. What are macromolecules? Give examples. Solution: Maxromolecules are the biomolecules that are formed by the polymerization of a huge number of micromolecules possessing higher molecular weight. Micromolecules are found in colloidal state in the intercellular fluid due to their insoluble nature. Protein is a macromolecule. 2. Illustrate a glycosidic, peptide and a phospho-diester bond.

1. Which of the following is not correct? (a) Robert Brown discovered the cell. (b) Schleiden and Schwann formulated the cell theory. (c) Virchow explained that cells are formed from pre-existing cells. (d) A unicellular organism carries out its life activities within a single cell. Solution: The answer is (a) Robert Brown discovered the cell

1. Answer in one word or one line. (i) Give the common name of Periplanata americana. (ii) How many spermathecae are found in earthworm? (iii) What is the position of ovaries in cockroach? (iv) How many segments are present in the abdomen of cockroach? (v) Where do you find Malpighian tubules? Solution: i) American cockroach

Exercise Questions 1. State the location and function of different types of meristems. Solution: The location and function of different types of mersitems are as follows: Meristem Location Function 1. Apical meristem Root and shoot tips Forms primary tissue and increases the length of the plant 2. Intercalary meristem Above and below the stem nodes

Exercise Questions 1. What is meant by modification of root? What type of modification of root is found in the: (a) Banyan tree (b) Turnip (c) Mangrove trees Solution: In order to carry out some secondary functions or a specific adaptation, roots modify their structures – which can be its size, shape, or even normal

1. What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account? Solution Animals are classified based on common features such as the arrangement of cells, body symmetry, nature of coelom, patterns of digestive, circulatory or reproductive systems. Without these common features it is very