First question, determine the truth and falsity of each statement.
a) Longitudinal growth of the cells in the shadow side is less than the cells in the light side.
b) cotyledons or cotyledons may be affected by gibberellin.
c) Breaking the night with a spark of light prevents a short-day plant from flowering.
t) If we put auxin in the cut place after cutting the vertical bud; Lateral buds do not grow
Question 2) By cutting the vertical bud, the amount increases in the lateral buds. They decrease.
A) Cytokinin-gibberellin
b) Auxin-cytokinin
c) Ethylene-gibberellin
D) cytokinin-auxin
Question 3) Which plant hormone was discovered in the investigation of a fungal disease?
A) Auxin B) Gibberellin
C) Ethylene D) None
Question 4) The hormone level has not decreased
A) dead flower – cytokinin
b) Growing tomato fruit – Gibberellin
c) growing seed – abscisic acid
d) A plant with growing side bud – auxin
Question 5) We cut the top of a young stem of a plant (barley) and add some auxin to the right half of it, and place the plant in a dark room.
A) Due to the lack of light, the young stem grows straight
b) Due to lack of light, the stem does not grow
c) The young stem of the plant deviates to the right
d) The young stem of the plant deviates to the left
Question 6) A hormone that stimulates rooting in tissue culture, a hormone that stimulates stemming.
A) It is effective in creating new cells
b) On the contrary, it plays a role in the branching and leafing of plants
c) Same- has a similar effect on the growth of lateral buds
d) On the contrary, it has a variety of similar compounds in different plants
Question 7) In plants, the twisting of stems is a type of movement that will be done.
A) necessarily in the presence of a plant branch
b) without the need for any external stimulus
c) As a result of uneven growth of different parts of the stem
d) as the stem is tightened around the support
Question 8) What effect does the light spark have on the flowering of short-day plants? What are the types of Kota day plants?
Question 9) What is the effect of different amounts of auxin and cytokinin in the culture medium on plants
Question 10) Chirgi Rasi mechanism? Explain the roles of ethylene on plants (with Weiss)
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