Biology questions
20584 published questions with worked solutions.
- An organism used as a biofertiliser for raising soybean crop production is
- In paddy fields, biological nitrogen-fixation is chiefly brought byNot in NEET syllabus
- Nitrifying bacteriaNot in NEET syllabus
- Some blue-green algae are used as biofertiliser as they
- What happened when we inoculate Rhizobium in the wheat field?Not in NEET syllabus
- Identify the blank spaces A, B, C and D given in the following table and select the correct answer. Type of Microbes | Scientific...
- Choose the incorrect statement regarding microbes used for synthesizing enzymes and medicines.
- Identify the correct statement about secondary sewage treatment.
- A sewage treatment process in which a part of decomposer bacteria present in the wastes is recycled into the starting of the...
- Sewage or municipal waste should not be directly passed into rivers, streams and other water bodies becauseNot in NEET syllabus
- Methanogens are found in
- The microorganisms involved biogas production are mainly facultative as well as strict anaerobic bacteria. The most important...
- Besides dung, the weed that can be used in biogas production is
- Trichoderma sp. Free-living fungi has proved a useful microorganism for
- Which of the following cyanobacteria cannot fix atmospheric nitrogen?Not in NEET syllabus
- Which of the following statements regarding baculoviruses as bio-control agents is/are incorrect?
- Which of the following belongs to free-living nitrogen fixing bacteria?Not in NEET syllabus
- In biogas plant, the role of acidogenic bacteria is to [MHTCET 2023]
- Identify the incorrect statement regarding the process in sewage treatment. [MHTCET 2023]
- Which of the following is an algal source of SCP? [MHTCET 2023]Not in NEET syllabus