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Select the correct statement from the fo...

Select the correct statement from the following

A

Biogas is produced by the activity of aerobic bacteria on animal waste

B

Methanobacterium is an aerobic bacterium found in rumen of cattle

C

Biogas, commonly called gobar gas, is pure methane

D

Activated sludge-sediment in settlement tanks of sewage treatment plant is a rich source of aerobic bacteria

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The correct Answer is:
D
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET-QUESTION
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  2. Vasa efferentia are the ductules leading from:

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  3. Select the correct statement from the following

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  4. Select the two correct statements out of the four (1-4) given below ab...

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  5. Keel is characteristic of the flower of

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  6. The kind of epithelium which forms inner walls of blood vessels is

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  7. Which one of the following has its own DNA?

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  8. Transfer of pollen grains from anther to the stigma of another flower ...

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  9. The genotype of a plant showing the dominant phenotype can be determin...

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  10. PGA as the first CO(2) fixation product was discovered in photosynthes...

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  11. Study the four statements (a–d) given below and select the two correct...

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  12. Seminal plasma in human males is rich in –

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  13. ABO blood groups in humans are controlled by the gene I. It has three ...

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  14. Breeding of crops with high levels of minerals , vitamins and proteins...

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  15. A common biocontrol agent for the control of plant diseases is –

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  16. Widal test is used for the diagnosis of –

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  17. Injury to adrenal cortex is not likely to affect the secretion of whic...

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  18. Low Ca^(+) in the body fluid may be the cause of

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  19. Which one of the following pairs is incorrectly matched ?

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  20. Select the correct statements from the ones given below with respect t...

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