A. CHOOSE THE MOST APPROPRIATE ANSWER:
1) the internal factor of a plant is
a )light
b) growth regulator
c) moisture
D) oxygen
2) auxins are produced by
a) old leaves
b) fruits
c) buds
d) wood
3)which of the following is used in agriculture for ripening banana and mango?
a )ethyphon
b) ABA
c )gibberellin
d )cytokinin
5) the growing leaves show
a) geotropism
b) hydrotropism
c ) photo tropism
d) thigmotropism
B. COMPLETE THE GIVEN STATEMENT:
1)the shoot of a plant bends towards the source of......
2) when a seed germinates the root grows towards the.......
3) the tendrils of pea plant grow around the surface of.....
4) IAA,IBA,NAA,and 2,4-D are .......
5)GA,GA2,GA3 and so on are ......
C. MATCH THE FOLLOWING :
COLUMN A
A. 1 touch
2) moisture
3) sunlight
4) gravitational force
5)sugar.
COLUMN B
a)phototropism
b) chemotropism
c) thigmotropism
d) hydrotropism
e) geotropism
Answers
Answered by
0
Answer:
2 ...d wood.
Explanation:
3 ....a is it correct
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