Biology questions with answers
2,759 multiple-choice questions. Open any question for its answer and explanation.
Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.
Read the notes: Main Plant Diseases →
- In tissue culture, Callus is –Asked in Food Safety Officer 2019
- What is true about Bt-toxin ?Asked in Food Safety Officer 2019
- Genetically engineered male sterile crop plants can be produced by insertingAsked in Food Safety Officer 2022
- RNA interference (RNAi), used in pest-resistant GM crops like Bt cotton, works by - - Question not attemptedAsked in Protection Officer 2024
- Bt. in Bt. Plant means : (1) Biotechnology (2) Bacillus thuringiensis (3) Botanical technology (4) Bharat technologyAsked in School Lecturer 2015
- Which one of the following plant products has genes of a bacterium ?Asked in Assistant Accountant 2012
- The first transgenic plant produced wasAsked in Assistant Conservator of Forest Exam 2019
- Match List-I with List-II and select the correct answer using codes given below the lists: List-I a. Meristem culture b. Cryopreservation c. Pollen culture d. Totipotency List-II i. Haploid Plants ii. Haberlandt iii. Virus free plants iv. Liquid NitrogenAsked in Food Safety Officer 2022
- The genetically engineered ‘Golden Rice’ is rich inAsked in Group B Exam 2012
- The genetically engineered ‘Golden Rice’ is rich in A) Vitamin A and Nicotinic acid B) β- carotene and folic acid C) β-carotene and iron D) Vitamin-A and NiacinAsked in Group B Exam 2012
