Which of the following can be used as a biocontrol agent in the treatment of plant disease?

1. A. (1) Lactobacillus
2. B. (2) Trichoderma
3. C. (3) Chlorella
4. D. (4) Anabaena

Attempt this NEET 2019 Biology question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.