SNHS Honors Biology II: Plant Response & Adaptation

Question 1

__________ affects the growth and development of fruits.

Accepted Answer

Gibberellin

Question 2

In preparation for winter dormancy, the efficiency of photosynthesis decreases. T or F?

Accepted Answer

True

Question 3

A chemical that mimics auxin by inhibiting plant growth is a(n) __________________.

Accepted Answer

Herbicide

Question 4

A plant hormone is a chemical that controls growth and development. True or False?

Accepted Answer

True

Question 5

Layer of cells that forms a waxy coating to seals the leaf off from the vascular system is the

Accepted Answer

abscission layer

Question 6

The response to external stimuli is called a __________.

Accepted Answer

tropism

Question 7

Auxin production increases and ethylene production decreases during dormancy. T or F?

Accepted Answer

True

Question 8

The pigment that plays a role in winter dormancy is _______.

Accepted Answer

Phytochrome

Question 9

The response to periods of light and dark is called ___________.

Accepted Answer

Photoperiodism

Question 10

Ethylene controls the ripening process in ___________.

Accepted Answer

fruits

Question 11

When a plant is alive but not growing it is in a state of ___________.

Accepted Answer

dormancy

Question 12

A plant that grows on another plant, but is not parasitic bc it obtains its own nutrients is an

Accepted Answer

epiphyte

Question 13

The response to the force of gravity is _______.

Accepted Answer

Gravitropism

Question 14

Auxins are produced in the __________________________.

Accepted Answer

Apical Meristem

Question 15

The pigment that controls photoperiodism is ___________________.

Accepted Answer

Phytochrome

Question 16

A plant that obtains nutrients from a host plant is a _______________.

Accepted Answer

parasite

Question 17

The hormone that causes cells to elongate is __________.

Accepted Answer

Auxin

Question 18

The plant hormone that stimulates cell division is _____________.

Accepted Answer

Cytokinin

Question 19

An adaptation that protects plants from being eaten or overrun by insects is a _______ defense.

Accepted Answer

chemical

Question 20

The phenomenon that controls the growth of plants when the apical meristem is removed is

Accepted Answer

Apical Dominance

Question 21

All of the following are adaptations that desert plants exhibit EXCEPT

Accepted Answer

Digest Insects

Question 22

The response of a plant to touch is ____________.

Accepted Answer

Thigmotropism

Question 23

The tendency of a plant to grow towards the light is _______________.

Accepted Answer

Phototropism

Question 24

The area affected by a hormone is called the __________.

Accepted Answer

target cell

Question 25

Plants that have adaptations like air pockets in tissues & stems that grow above water are ___.

Accepted Answer

Aquatic

SNHS Honors Biology II: Plant Response & Adaptation

Questions 25

SNHS Honors Biology II: Plant Response & Adaptation

Questions 25