Bioenergy part 2

 

 

 

 

 

 

1. The biomass can be used to [CBSE PMT 1992]

(a)   Obtain alcohol                   (b)   Generate biogas

(c)   Generate producer gas     (d)   All of these

2. The economically friendly measure to conserve solar energy is

[CBSE PMT 1999]

(a)   Sugarcane plantation       (b)   Energy plantation

(c)   Both (a) and (b)              (d)   None of these

3. Existence of coal and petroleum may be detected with the study of                 [Pb. PMT 1998]

(a)   Palaeobotany                    (b)   Ecology

(c)   Bacteriology                      (d)   Economic botany

4. Where do tropical wet evergreen forests occur in India

[APMEE 1998]

(a)   J & K                                   (b)   Himachal  Pradesh

(c)   Bihar                                  (d)   Andamans

5. Which one of the following is a petroleum plant

(a)   Euphorbia                          (b)   Potato

(c)   Sugarcane                         (d)   Maize

6. HMP is equivalent to ……… total electricity generated/year in India[Manipal PMT 1998]

(a)   2/5                                      (b)   1/3

(c)   1/4                                      (d)   1/5

7. The term for a blend of 10-15% ethanol with petrol is called

[AFMC 1997]

(a)     Gasohol                              (b)   Glycol

(c)   Xylol                                   (d)   Hexanol

8. Producer gas consists of

(a)                     (b)

(c)                         (d)

9. Biogas produced through anaerobic fermentation of organic material is primarily [AIEEE 2004; BVP 2004]

(a)   CO                                       (b)   CO₂

(c)   CH₄                                     (d)   CH₃

10. The pioneer country in the production of fuel-alcohol is

[MP PMT 1994; AFMC 1998]

(a)   Saudi Arabia                     (b)   Iran, Iraq

(c)   Brazil                                  (d)   Japan

11. Biofuels are

(a)   Renewable                        (b)   Orthodox

(c)   Pollution producing         (d)   Organic wastes

12. Pyrolysis of wood is responsible for yielding

[MP PMT 1999]

(a)   Alcohol                               (b)   Charcoal

(c)   Charcoal and gas              (d)   Charcoal, gas and oil

 

 

 

 

 

 

 

 

1	b	2	c	3	a	4	d	5	a
6	d	7	a	8	c	9	c	10	c
11	a	12	d

 

1. 1. (b) Biomass is the organic matter present in living organisms, their wastes and residues are used in biogas production.
2. 2. (c) All green plants stores solar energy by photosynthesis.
3. 5. (a) Those plant which latex containing long chain of hydrocarbons is called petroplants. e.g. Euphorbia lathyris, E. caudicifolia, Calotropis procera, Pittosporum resiniferum etc.
4. 6. (d) HMP / human muscle power means physical work by human produced energy which about 1/5th  of the total generated electricity in India.
5. 7. (a) Gasohol programme of U.S.A. uses mixture of 10–15% alcohol and 85–90% petrol.
6. 8. (c) Producer gas produced by gasification and it consists , , .
7. 10. (c) Pioneer work has been done in Brazil. Pro – alcohol programme in Brazil is aimed at completely replacing petrol with alcohol for running automobiles.
8. 11. (a) Biofuels are biological origin, which is a major source of energy. They are renewable and used properly and efficiently.
9. 12. (d) Pyrolysis – Thermochemical conversion of wood into charcoal, pyroligneous acid (10% acetic acid) wood gas, wood tar, wood alcohol, etc.

 

 

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