Term
A __________ is a plant's response to an external stimulus by directional growth.
Can be controlled by light (__________), gravity (__________) or contact with a solid object (__________). |
|
Definition
1) Tropism
2) Phototropism
3) Gravitrophism
4) Thigmotropism |
|
|
Term
| Is tropism under hormonal control? |
|
Definition
|
|
Term
| Can tropism be negative or positive? |
|
Definition
|
|
Term
Plant hormones work __________ (close to where they are produced).
They are generally produced in __________ amounts. |
|
Definition
|
|
Term
| Which experiment came to the conclusion that "some substance is transmitted from the upper part to the lower part of the plant which causes it to bend?" |
|
Definition
| 1) Darwin's experiments of the 1870s |
|
|
Term
| Which experiment produced the conclusion that "auxin diffused from coleoptile tip, to agar, to decapitated coleoptile?" |
|
Definition
| 1) Frits Went's experiments of the 1920s. |
|
|
Term
| Which hormone inhibits axillary buds of the apical meristem? |
|
Definition
|
|
Term
| What is the most common and physiologically important auxin? |
|
Definition
|
|
Term
| Which hormone promotes flowering in long-day plants? |
|
Definition
|
|
Term
| Which hormone promotes cell division (growth) and differentiation? |
|
Definition
|
|
Term
| Which plant hormone delays senescence (the natural aging process)? |
|
Definition
|
|
Term
| Which plant hormone promotes apical dominance? |
|
Definition
|
|
Term
| Which plant hormone inhibits apical dominance? |
|
Definition
|
|
Term
| A low ratio of __________ to __________ induces shoot formation. |
|
Definition
|
|
Term
| High ration of __________ to __________ induces root formation |
|
Definition
|
|
Term
| Which plant hormone ripens fruits? |
|
Definition
|
|
Term
| Which hormone promotes leaf abscission? |
|
Definition
|
|
Term
| Which plant hormone promote apical dominance and functions in wound response? |
|
Definition
|
|
Term
| Which plant hormone promotes seed dormancy and stomatal closure? |
|
Definition
|
|
Term
__________ is a photoreceptor in photoperiodism.
It is a 5 __________-__________ pigment protein.
It detects __________ length.
Each has two forms: __________ and __________. |
|
Definition
1) Phytochrome
2) Blue-green
3) Day
4) Pf
5) Pfr |
|
|
Term
| The __________ is the inactive form of the phytochrome and the __________ is the active form of the phyotcrome which is activated by __________ light. |
|
Definition
|
|
Term
| Red light which is __________nm causes the Pf to become active while red light that is __________nm causes it to become inactive. |
|
Definition
|
|
Term
| The __________ absorbs blue and ultraviolet-A light |
|
Definition
|
|
