Single Cell Protein & Tissue Culture — Practice Questions
Free NEET Biology multiple-choice questions on Single Cell Protein & Tissue Culture. Attempt each question and reveal the answer with a full explanation.
The human body does not produce:- DNA Vitamin Hormones Enzymes Examination of blood of a person suspected of having anemia, shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms ? Thiamine Folic acid and cobalamine Riboflavin Iron compounds To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken :- Apical meristem only Palisade parenchyma Both apical and axillary meristems Epidermis only In order to obtain virus-free plants through tissue culture the best method is- (1) Protoplast culture (2) Embryo rescue (3) Anther culture (4) Meristem culture Which one of the following is a fat-soluble vitamin and its related deficiency disease? Retinol - Xerophthalmia Cobalamine - Beri-beri Calciferol - Pellagra A scorbic acid - Scurvy. Somaclones are obtained by : - Genetic engineering Tissue culture Plant breeding Irradiation Genetic engineering An alga which can be employed as food for human being is :- Ulothrix Chlorella Spirogyra Polysiphonia The RBC deficiency is deficiency disease of : Vitamin B 6 Vitamin B 1 Vitamin B 2 Vitamin B 12 Match List-I with List-II. array llll ; & List-I; (Name of Vitamin) & ; & List-II; (Deficiency disease) A. & Vitamin B 12 & I. & Cheilosis B. & Vitamin D & II. & Convulsions C. & Vitamin B 2 & III. & Rickets D. & Vitamin B 6 & IV. & Pernicious anaemia array Choose the correct answer from the options given below : A-IV, B-III, C-II, D-I A-I, B-III, C-II, D-IV A-IV, B-III, C-I, D-II A-II, B-III, C-I, D-IV The correct statement with regard to the secondary structure of DNA/RNA is DNA possesses a double strand helix structure and contains thymine as one of the four bases DNA possesses a single strand helix structure and contains uracil as one of the four bases RNA possesses a double strand helix structure and contains uracil as one of the four bases RNA possesses a single strand helix structure and contains thymine as one of the four bases Which group of three of the following five statements (a-e) contain is all the three correct statements regarding beri-beri - (a) A crippling disease prevalent among the native population of sub-Saharan Africa (b) A deficiency disease caused by lack of thiamine (vitamin B 1 ) (c) A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein (d) Occurs in those countries where the staple diet is polished rice (e) The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure b, c and e a, b and d b, d and e a, c and e