Q.1
Biochemistry- ICAR JRF/SRF 2024 (Q.64)
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:

Q.2
Biochemistry- ICAR JRF/SRF 2024 (Q.69)
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 Subjects

Browse all chapters by subject

Physiology of Flowering and Reproduction

1 Topic
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