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A small aquatic plant was put in each of the petri dishes- X, Y and Z, containing different culture solutions. After six weeks, the plant in dish-X had the same number of leaves as it had previously and were all small and yellowish. Plant in dish-Y had more leaves of normal size and dark green colour. Plants in dish-Z had more leaves of normal size but very pale. Which of the following show the elements missing the culture?

a)

Magnesium                              Phosphorus                                                    Nitrogen

b)

Phosphorus                              Magnesium                                                       Nitrogen

c)

Phosphorus                             Nitrogen                          Magnesium

d)

Magnesium                               Nitrogen                         Phosphorus


Question ID - 4368 | Toppr Answer

A small aquatic plant was put in each of the petri dishes- X, Y and Z, containing different culture solutions. After six weeks, the plant in dish-X had the same number of leaves as it had previously and were all small and yellowish. Plant in dish-Y had more leaves of normal size and dark green colour. Plants in dish-Z had more leaves of normal size but very pale. Which of the following show the elements missing the culture?

a)

Magnesium                              Phosphorus                                                    Nitrogen

b)

Phosphorus                              Magnesium                                                       Nitrogen

c)

Phosphorus                             Nitrogen                          Magnesium

d)

Magnesium                               Nitrogen                         Phosphorus

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

Magnesium (Mg), Phosphorus (P) and Nitrogen (N) will be used in the given culture.



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