otaku96
Quiz by , created more than 1 year ago

Plant Growth Substances: Natural effects on the plant and commercial uses

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otaku96
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What am I? Plant Growth Substances

Question 1 of 17

1

I promote cell elongation and inhibit the growth of side-shoots. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • gibrellins

  • abscissic acid

  • ethene

Explanation

Question 2 of 17

1

We inhibit abscission. What are we?

Select one or more of the following:

  • auxin

  • cytokinins

  • abscissic acid

  • ethene

  • gibrellins

Explanation

Question 3 of 17

1

I promote cell division and delay senescence (ageing). What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 4 of 17

1

I promote fruit ripening. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 5 of 17

1

I inhibit seed germination and growth. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 6 of 17

1

I promote seed germination and growth of stems. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 7 of 17

1

I cause stomatal closure when little water is available. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 8 of 17

1

I am used to promote female sex expression in cucumbers. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 9 of 17

1

I am used to make seedless fruit. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 10 of 17

1

I am used to improve fruit shape. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 11 of 17

1

In callus tissue culture, I am used to promote bud and shoot growth. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 12 of 17

1

I am used as a herbicide. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 13 of 17

1

I am used to promote fruit ripening and drop. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 14 of 17

1

I am used to lengthen the shelf life of some fruits by preventing ageing. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 15 of 17

1

In callus tissue culture, I am used to promote root growth. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • gibrellins

  • ethene

  • abscissic acid

Explanation

Question 16 of 17

1

I am used to prevent lettuce leaves from yellowing once picked. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation

Question 17 of 17

1

I can be used in brewing to germinate barley seeds. What am I?

Select one of the following:

  • auxin

  • cytokinins

  • ethene

  • abscissic acid

  • gibrellins

Explanation