The GATE Grind

GATE Plant, Animal and Microbial Biotechnology: Plants: Hairy root culture, artificial seeds, somaclonal variation, protoplast fusion, transgenic plants, marker genes, plastid transformation – Previous Year Questions

6 GATE previous year questions on Plants: Hairy root culture, artificial seeds, somaclonal variation, protoplast fusion, transgenic plants, marker genes, plastid transformation (Plant, Animal and Microbial Biotechnology, Biotechnology) with answers and explanations, from every paper.

  1. GATE 2021 BT Q45 (2 marks, Multiple select) – Which statements about Agrobacterium tumefaciens are correct?
  2. GATE 2022 BT Q53 (2 marks, Multiple select) – Introduction of foreign genes into plant cells can be carried out using
  3. GATE 2023 BT Q43 (2 marks, Multiple select) – Which of the following is(are) plant protoplast fusogenic agent(s)?
  4. GATE 2023 BT Q44 (2 marks, Multiple select) – Direct DNA transfer method(s) used for plant genetic engineering is(are)
  5. GATE 2025 BT Q48 (2 marks, Multiple choice) – Correctly match the herbicide with its mode of development of resistance in plants. Herbicide Mode of development of resistance --- --- P.…
  6. GATE 2024 BT Q45 (2 marks, Multiple select) – Which of the following plant-based secondary metabolites belong(s) to the class of alkaloids?