Below diagram shows the parallel line technique which is used

to ensure the germination of seeds

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to detect the zone of elongation

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to measure maruration phase

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to measure the length of plant

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Solution

The correct option is B to detect the zone of elongation
The zone of elongation is where the newly formed cells increase in length, thereby lengthening the root. The given diagram shows detection of zones of elongation by the parallel line technique.

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Similar questions

Q. Which of the following is used to measure the growth in elongation?

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Rhizophora shows a special mode of seed germination called vivipary, in which seed germinates inside the fruit while still attached to the parent plant.

Q. Study the following statements.
I. X hormone promotes cell elongation and helps in the increase in the length of the plant.
II. Y hormone induces flowering in mango and also promotes rapid internode/petiole elongation in deep plants and hence helping leaves or upper parts of shoot above water.
III. Z hormone inhibits the seed germination, increase the tolerance of plant to various stresses, play important role in seed development, maturation and dormancy.
Identify the correct names of hormones marked as X, Y and Z.

Q. In the spaces provided below, draw labelled diagrams to show the three stages in the germination of any seed you have observed.

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Below diagram shows the parallel line technique which is used

The correct option is B to detect the zone of elongation The zone of elongation is where the newly formed cells increase in length, thereby lengthening the root. The given diagram shows detection of zones of elongation by the parallel line technique.

The correct option is B to detect the zone of elongation
The zone of elongation is where the newly formed cells increase in length, thereby lengthening the root. The given diagram shows detection of zones of elongation by the parallel line technique.