Question 41 : 'ATP and NADPH are used to fix CO₂ into carbohydrates' this process is termed as ________
1. Carbon fixation
2. Reduction
3. Carbon dating
4. Oxidation
View Answer   Discuss with Members

Question 42 : Photosynthetic organisms which convert light energy into the chemical energy they need to develop grow, and reproduce are called as?
1. Rubisco
2. Pigment
3. Autotrophs
4. Glucose
View Answer   Discuss with Members

Question 43 : Anaerobic fermentation is how many staged process?
1. Single stage
2. Two – stage
3. 3-stage
4. 4 – stage
View Answer   Discuss with Members

Question 44 : Which plant has no movable parts?
1. KVIC
2. JANATA model
3. Pragati design plant
4. Ferro - cement plant
View Answer   Discuss with Members

Question 45 : What does natural decay of biomass produces?
1. Ozone
2. Methane
3. Ethane
4. Hydrogen
View Answer   Discuss with Members

Question 46 : A device for converting substances (chemically or physically) into gas is called ______
1. Gasifies
2. Biogas plants
3. Draughts
4. Gas chambers
View Answer   Discuss with Members

Question 47 : What is the weight of biogas holder?
1. 8-10 kg/m²
2. 10-15 kg/m²
3. 8-18 kg/m²
4. 25-30 kg/m²
View Answer   Discuss with Members

Question 48 : How much percentage of solid content is present in anaerobic digestion?
1. 8%
2. 2%
3. 32%
4. 50%
View Answer   Discuss with Members

Question 49 : Solid remnants of the original input material to the digesters are called ________
1. Ordure
2. Egests
3. Digestate
4. Manure
View Answer   Discuss with Members

Question 50 : Which amount is the ideal carbon-nitrogen ratio for the raw material into a biogas plant?
1. 30: 1
2. 20: 10
3. 5: 15
4. 1: 8
View Answer   Discuss with Members