1
ICAR JRF Biochemistry 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1

Read the following statements regarding bioremediation

(A) . Aerobic biodegradation of PCBs is mainly carried out by the white rot fungus, Phanerochaete and by Acinetobacter and Alcaligenes.
(B) . Methylococcus capsulatus can convert chloro- and bromo methane to formaldehyde, dichloro- and trichloro methane to CO? while growing on methane.
(C) . In most cases, pesticides that are cometabolized are completely degraded, hence cometabolism of a pesticide is always good from an environmental standpoint
(D) . Burkholderia dechlorinates the pesticide 2, 4, 5-T aerobically by using oxygenase enzymes and release chloride ion (Ch).
(E) . Reductive dechlorination is less important than oxidative dechlorination from ecological standpoint.

Choose the correct answer from the options given below:

2
ICAR JRF Biochemistry 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1
Microorganisms transform mercury (Hg) by the process of methylation yielding methylmercury (CH3Hg"). Which of the following is correct regarding toxicity of methylmercury?

Biochemistry विषय एवं अध्याय

विषय एवं पाठ्यक्रम के अनुसार सभी अध्याय देखें

Molecular Biology

1 टॉपिक्स
Official PYQ Papers

Previous Year Papers of Biochemistry

Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.

1
Total Available Previous Papers

Choose Exam

Exam Directory

Browse official Previous papers and mock tests

10 Major Agriculture Exams Available