Biotechnology

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Q. Which organism is often used as a host for recombinant DNA technology?
  • A. Humans
  • B. Bacteria
  • C. Plants
  • D. Fungi
Q. Which organism is primarily responsible for nitrogen fixation in the soil?
  • A. Rhizobium bacteria
  • B. Mycorrhizal fungi
  • C. Cyanobacteria
  • D. Actinomycetes
Q. Which part of the plant anchors it to the ground?
  • A. Stem
  • B. Leaf
  • C. Root
  • D. Flower
Q. Which part of the plant is responsible for reproduction?
  • A. Roots
  • B. Stems
  • C. Leaves
  • D. Flowers
Q. Which phase follows the M phase in the cell cycle?
  • A. G1 phase
  • B. S phase
  • C. G2 phase
  • D. Interphase
Q. Which phase of the cell cycle is known for cell division?
  • A. G1 phase
  • B. S phase
  • C. G2 phase
  • D. M phase
Q. Which pigment is primarily involved in photosynthesis?
  • A. Chlorophyll
  • B. Carotene
  • C. Xanthophyll
  • D. Phycobilin
Q. Which plant hormone is primarily associated with shoot development in culture?
  • A. Cytokinins
  • B. Gibberellins
  • C. Ethylene
  • D. Abscisic acid
Q. Which plant hormone is primarily involved in the regulation of gene expression during stress responses?
  • A. Auxin
  • B. Gibberellin
  • C. Abscisic acid
  • D. Cytokinin
Q. Which plant tissue is most commonly used for transformation via Agrobacterium?
  • A. Meristematic tissue
  • B. Callus tissue
  • C. Xylem tissue
  • D. Phloem tissue
Q. Which process is essential for creating synthetic seeds?
  • A. Photosynthesis
  • B. Micropropagation
  • C. Grafting
  • D. Hybridization
Q. Which process occurs in the chloroplasts of plant cells?
  • A. Cellular respiration
  • B. Photosynthesis
  • C. Nitrogen fixation
  • D. Fermentation
Q. Which process primarily drives the movement of water in plants?
  • A. Diffusion
  • B. Osmosis
  • C. Active transport
  • D. Transpiration
Q. Which process results in the formation of gametes with half the number of chromosomes?
  • A. Mitosis
  • B. Meiosis
  • C. Fertilization
  • D. Binary fission
Q. Which regulatory body oversees the use of transgenic animals in research in the United States?
  • A. FDA
  • B. USDA
  • C. EPA
  • D. NIH
Q. Which special protein is associated with stress response in plants?
  • A. Globulin
  • B. Casein
  • C. Heat shock protein
  • D. Collagen
Q. Which special protein is known for its role in seed germination?
  • A. Albumin
  • B. Globulin
  • C. Lectin
  • D. Enzyme inhibitors
Q. Which special protein is often linked to improving flavor in crops?
  • A. Enzymes
  • B. Storage proteins
  • C. Transport proteins
  • D. Structural proteins
Q. Which structure in plant cells is responsible for the synthesis of sugars?
  • A. Mitochondria
  • B. Chloroplasts
  • C. Ribosomes
  • D. Endoplasmic reticulum
Q. Which structure in plants is primarily involved in gas exchange?
  • A. Stomata
  • B. Cuticle
  • C. Phloem
  • D. Xylem
Q. Which substrate is most commonly used for ethanol production in the brewing industry?
  • A. Corn
  • B. Wheat
  • C. Barley
  • D. Sugarcane
Q. Which sugar is most commonly used in plant tissue culture media?
  • A. Glucose
  • B. Fructose
  • C. Sucrose
  • D. Mannitol
Q. Which technique is commonly used in plant genetic engineering?
  • A. CRISPR-Cas9
  • B. Polymerase Chain Reaction
  • C. Western Blotting
  • D. Gel Electrophoresis
Q. Which technique is commonly used to create transgenic animals?
  • A. Gene therapy
  • B. CRISPR-Cas9
  • C. Cloning
  • D. Artificial insemination
Q. Which technique is often used to purify synthesized therapeutic agents?
  • A. Chromatography
  • B. Spectroscopy
  • C. Electrophoresis
  • D. Centrifugation
Q. Which technology is commonly used in the fabrication of biochips?
  • A. 3D printing
  • B. Photolithography
  • C. Laser cutting
  • D. Electrospinning
Q. Which type of beer is typically lower in calories?
  • A. Lager
  • B. Stout
  • C. Pale Ale
  • D. Light beer
Q. Which type of biosensor is primarily used for detecting pathogens?
  • A. Optical biosensor
  • B. Electrochemical biosensor
  • C. Immunosensor
  • D. Thermal biosensor
Q. Which type of cloning vector is derived from bacteriophages?
  • A. Cosmids
  • B. Bacterial artificial chromosomes
  • C. Yeast artificial chromosomes
  • D. Plasmids
Q. Which type of special protein is often used to improve drought resistance in crops?
  • A. Antifreeze proteins
  • B. Heat shock proteins
  • C. Dehydrin proteins
  • D. Chaperone proteins
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