Home > Medical / Science > Biotechnology

Biotechnology

Vinegar and Citric Acid – Section 1

1. Vinegar is typically produced in fed batch reactors because A. a fed batch reactor can be used to maintain low acetic acid concentrations B. a fed batch reactor can be used to maintain low ethanol concentrations C. acetic acid bacteria tend to ferment at high ethanol concentrations D. all …

Read More »

Ethanol Production – Section 1

1. If starch containing substrates are used for ethanol production, yeast strain can’t be used directly because A. it doesn’t contain amylases to hydrolyze starch B. starch is not a suitable substrate for the production of ethanol C. it is converted to pentose sugar D. none of the above Answer: …

Read More »

Animal Cell Culture and Regulation – Section 1

1. For culturing, plasma from the adult chicken is preferred to mammalian plasma because A. it forms a clear and solid coagulum even after dilution B. it is too opaque C. it doesn’t produce solid clots D. it forms a semi solid coagulum Answer: Option A 2. Toxicity due to …

Read More »

Disorders – Section 1

1. The disorder in which of the following may cause “Ehlers-Danlos Syndrome”? A. Dlashin protein B. Collagen protein C. Fibrin protein D. Globulin protein Answer: Option B 2. Which of the protein is involved in Alzheimer’s disease? A. A4 B. Amylin C. Fibrin D. Alzhemin Answer: Option A 3. If …

Read More »

Biosensors and Biochips – Section 1

1. A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of A. gene or gene products B. whole genome C. both (a) and (b) D. none of these Answer: Option A Explanation: No answer description available for this question. Let …

Read More »

Synthetic Seeds – Section 1

1. Synthetic seeds are A. artificially synthesized seeds B. somatic embryos encapsulated in suitable matrix C. seeds of plants modified genetically D. none of these Answer: Option B Explanation: No answer description available for this question. Let us discuss. View Answer Discuss in Forum Workspace Report 2. Somatic embryoids are …

Read More »

Transgenic Plant – Section 1

1. In a __________ protocol, bacteria with engineered abilities to detoxify pollutants are intentionally released in an area. A. microcosm establishment B. mibridization C. bioremediation D. rhizosecretion Answer: Option C 2. The controversy regarding the use of Bt corn is that it A. is potentially harmful to monarch butterflies B. …

Read More »

Media Required for Plant Cell Culture – Section 1

1. Which is the most common carbon source used in the plant cell culture media? A. Sucrose B. Glucose C. Fructose D. Maltose Answer: Option A 2. Which of the following is an ethylene biosynthesis inhibitor? A. Citric acid B. Succinic acid C. Activated charcoal D. Silver thiosulphate Answer: Option …

Read More »

Plant Genetics – Section 1

1. In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be A. 1:2:1 B. 3:1:1 C. 1:3:1 D. 1:1:2 Answer: Option A 2. In the meiotic cell divison in daughter cells are produced by two successive division in which A. first division is equational, second is …

Read More »

Nitrogen Fixation and Photosynthesis – Section 1

1. Which of the following bacteria genus is capable of oxidizing ammonia (NH4)? A. Nitrospina B. Nitrobacter C. Nitrosococcus D. Nitrosobacter Answer: Option C 2. A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be …

Read More »