Bt Cotton MCQ

Test your knowledge with important Bt Cotton MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Bt Cotton MCQs on Bissoy. Bissoy App

• Bt gene which produces a protein toxic to insect larvae is ______
  ক

  try

  খ

  pry

  গ

  ary

  ঘ

  cry
• Toxic content of B. thuringiensis is _______ in nature.
  ক

  protein

  খ

  steroid

  গ

  amino acid

  ঘ

  alkaloid
• Ti plasmid is found in ________
  ক

  Nitrosomonas

  খ

  Escherichia

  গ

  Agrobacterium

  ঘ

  Bacillus
• A gall producing gene in Agrobacterium tumefaciens is _______
  ক

  cry gene

  খ

  nif gene

  গ

  T DNA

  ঘ

  beta gene
• To which cells does the activated Bt toxin bind?
  ক

  Neuroglial cells

  খ

  Lymphocytes

  গ

  Skeletal muscle cells

  ঘ

  Epithelial cells
• The Bt toxin does not kill the Bacillus because the Bt toxin protein exist as inactive ________
  ক

  lipid

  খ

  protoxins

  গ

  protein

  ঘ

  carbohydrate
• The protein crystals of B. thuringiensis contain toxic _______ protein.
  ক

  bactericidal

  খ

  fungicidal

  গ

  insecticidal

  ঘ

  antibiotic
• The gene which was used to produce insect-resistant cotton plant was taken from ______
  ক

  Anabaena azollae

  খ

  Agrobacterium tumefaciens

  গ

  Bacillus thuringiensis

  ঘ

  Bacillus subtilis
• Insect resistance transgenic cotton has been developed by inserting a piece of DNA from ______
  ক

  an insect

  খ

  wild relative of cotton

  গ

  a virus

  ঘ

  a soil bacterium
• Bt cotton is a _______
  ক

  cloned plant

  খ

  transgenic plant

  গ

  hybrid plant

  ঘ

  mutated plant
• Some strains of Bacillus thuringiensis can kill certain insects such as _______
  ক

  lepidopterans

  খ

  scorpion

  গ

  fruit fly

  ঘ

  dragonfly