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Botany- Growth and Flowering plants

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What gas can help fruits to ripen faster?

a)

Oxygen

b)

Nitrogen

c)

Ethylene

d)

Sulfur

2.

A plant's stem grows towards the source of light to it's left. This is known as

a)

phototropism

b)

negative phototropism

c)

positive phototropism

d)

neutral phototropism

3.

What is the side to side oscillating movement of a plant called?

a)

Nutation

b)

Nodding

c)

Twining

d)

Contraction

4.

What is the growth response that results from the stimulus of gravity?

a)

Gravitropism

b)

Gravitrotism

c)

Gravitational Growth

d)

Nutation

5.

What is it called when a plants leaves and stems fold in on a regular 24 hour cycle?

a)

Circadian Rhythm

b)

Cardiac Rhythm

c)

Sleep Cycle

d)

Melatonic Rhythm

6.

What is it called when leaves twist on their petioles in response to illumination to become perpendicular to the light source?

a)

Light tracking

b)

Light Resonance

c)

Solar Tracking

d)

Solar Resonance

7.

Plants curling around a pole or mailbox is an example of:

a)

Phototropism

b)

Germination

c)

Turgor pressure

d)

Thigmotropism

8.

This plant's response to touch is ???

a)

Phototropism

b)

Germination

c)

Thigmotropism

d)

Gravitropism/geotropism

9.

A plant responds to it's environmental temperature. What kind of tropism is this?

a)

Thigmotropism

b)

Traumatropism

c)

Thermotropism

d)

Aerotropism

10.

What is the term for when day length is directly related to the onset of flowering in plants?

a)

Phototaxic

b)

Photoperiodism

c)

Lightoperiodism

d)

Lightotaxic

11.

What is dormancy?

a)

A period of growth inactivity

b)

A period of extremely fast growth

c)

When a plant dies

d)

When a plant blooms every year

12.

Which of these is not one of the six major regions in plant cultivation?

a)

Chinese Region

b)

Baltic Region

c)

North American Region

d)

African Continent

13.

Which of the following is not native to the African Continent?

a)

Okra

b)

Sorghum

c)

Yam

d)

Walnut

14.

Which of the following is native to the North American Region?

a)

Sugar Cane

b)

Corn

c)

Vanilla

d)

Sunflower

15.

In what species are nearly all 1,500 of the members slightly poisonous?

a)

Lauraceae

b)

Papaveraceae

c)

Ranunculaceae

d)

Brassicaceae

16.

What is the third largest flowering plant family?

a)

Legume

b)

Rose

c)

Buttercup

d)

Spurge

17.

From what plant family are Scopolamine patches derived from?

a)

Legume

b)

Rose

c)

Nightshade

d)

Carrot

18.

What plant family is almost completely unknown in their wild state?

a)

Rose

b)

Carrot

c)

Sunflower

d)

Pumpkin

19.

What plant family is vanilla derived from?

a)

Orchid

b)

Legume

c)

Carrot

d)

Rose

20.

What plant family has been used to derive antiseptics around the work for decades?

a)

Turnip

b)

Rose

c)

Ivy

d)

Mint