Kilowatt is a unit to measure

52
Kilowatt is a unit to measure
1 answers
26 votes
1337
power
42
power
a

  work

b

 power

c

 electricity

d

 current

Answer : B

Related Questions and Answers

1.  Adventitious roots develop from

a

  Epidermis

b

 Pericycle or interfascicular parenchyma

c

 Endodermis

d

 Cortex

Answer & Explanation
Answer : Option B

2.  Wilting in plants occurs because of

a

  the blockage of phloem

b

 the blockage of xylem

c

 both (a ) and (b )

d

 increased transpiration

Answer & Explanation
Answer : Option B

3.  Bacteria do not need sunlight to grow because

a

  They prepare their food without the help of sunlight

b

 They use other kinds of light for their food synthesis

c

 They lack chlorophyll and so they are incapable of making their own food

d

 They hate sunlight

Answer & Explanation
Answer : Option A

4.  Which of the following one of the following weeds is effective in controlling water pollution caused by industrial effluents -

a

  Mogar grass

b

 Elephant grass

c

 Water hycinth

d

 Parthenium

Answer & Explanation
Answer : Option C
Explanation :
Water hycinth.Water hyacinth (Eichhornia crassipes) is used for purifying not only domestic wastewater but also industrial wastewater. Other studies have evaluated the potential of water hyacinth to absorb various organic chemicals like phenols & toxaphene. It can readily absorb, accumulate & concentrate heavy metals such as lead, cadmium, mercury & nickel. Water hyacinth can remove even radioactive metals from industrial effluents, which is very difficult otherwise.

5.  The xylem in plants are responsible for:

a

  transport of water

b

 transport of amino acids

c

 transport of food

d

 transport of oxygen

Answer & Explanation
Answer : Option A
Explanation :
transport of water.Xylem is one of the two types and categories of transport tissue in vascular plants, phloem being the other. Together with phloem (tissue that conducts sugars from the leaves to the rest of the plant), xylem is found in all vascular plants. The basic function of xylem is to transport water from roots to shoot & leaves, but it also transports some dissolved nutrients.

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