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PHOTOPERIODISM

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

Plants that have no specific amount of daylight required to flower.

a)

Auxin

b)

Short day plant

c)

Long day plant

d)

Day neutral plant

2.

Plants that need 10 hours or less of darkness to flower.

a)

Photoperiodism

b)

Short day plant

c)

Long day plant

d)

Day neutral plant

3.

chrysanthemums are example of......

a)

Short day plant

b)

Long day plant

c)

I don't know

d)

Day Neutral plant

4.

What is photoperiodism?

a)

Taking photos for a period of time

b)

The response to changes in day length that enables plants (or any other living organisms) to adapt to seasonal changes in their environment

c)

A plant's growth movements towards or away from a stimulus.

d)

The response of a plant part to the stimulus of gravity which grow upward irrespective of the position in which they are placed

5.

Plant that doesn't require a specific photoperiod and can begin the flowering process over a range of night lengths (ex. African violet).

a)

Short day plant

b)

Long day plant

c)

stomata

d)

Day neutral plant

6.

What are the two pigments ?

a)

Pr

b)

Pf

c)

Prr

d)

Pfr

e)

Pf

7.

Do not depend upon the amount of darkness or daylight hours.

This statement according to the characteristic of Long day Plant

a)

TRUE

b)

False

8.

Tomatoes are relatively unaffected by the amount of light per day. So what are the categories of tomatoes?

a)

Dry seed plant

b)

hard seed plant

c)

Day neutral plant

d)

Long day plant

9.

Plant use photoreceptor (light-sensitive) proteins to sense the change of season

a)

TRUE

b)

FALSE

10.

What are the categories of plant in PHOTOPERIODISM ?

a)

Night day plant

b)

Long day plant

c)

Short day plant

d)

Day neutral plant