biology lab week 9 lab module

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1

A wavelength of 580 nm is in the visible light range of the electromagnetic spectrum. What color is light at 580 nm?

yellow

2

Which of the following plant pigments would absorb light at 440 nm? Check all that apply.

chlorophyll a

beta carotene

3

Spinach leaves contain the pigment chlorophyll a.

True

4

A wavelength of 620 nm is in the visible light range of the electromagnetic spectrum. What color is light at 620 nm?

red

5

A wavelength of 640 nm is in the visible light range of the electromagnetic spectrum. What color is light at 640 nm?

red

6

A wavelength of 660 nm is in the visible light range of the electromagnetic spectrum. What color is light at 660 nm?

red

7

Which of the following plant pigments absorb light at 400 nm?

chlorophyll a

8

Distilled water is _____________ to the Elodea leaf.

hypotonic

9

A wavelength of 560 nm is in the visible light range of the electromagnetic spectrum. What color is light at 560 nm

green

10

Which of the following plant pigments absorbs light at 700 nm?

Answers:

None of these pigments absorb light at 700 nm.

chlorphyll a

chlorphyll b

beta carotene

phycocyanin

phycoerythrin

None of these pigments absorb light at 700 nm.

11

A wavelength of 540 nm is in the visible light range of the electromagnetic spectrum. What color is light at 540 nm?

green

12

A wavelength of 500 nm is in the visible light range of the electromagnetic spectrum. What color is light at 500 nm?

green

13

Which of the following plant pigments would absorb light at 420 nm. Check all that apply.

beta carotene

14

Which of the following plant pigments absorbs light at 500 nm?

beta carotene

15

Which of the following plant pigments absorbs light at 560 nm? check all that apply.

phycoerythrin

phycocyanin

16

The photosystems and their associated electron transport chains are located where?

on the thylakoid membrane

17

A wavelength of 700 nm is in the visible light range of the electromagnetic spectrum. What color is light at 700 nm?

red

18

Which of the following plant pigments absorbs light at 520 nm?

phycoerythrin

19

When the Elodea leaf was put into 3% NaCl, what happened to the cells?

.

The cells decreased in size.

20

A solution of 0.85% saline (NaCl) is _______________ to the elodea leaf.

isotonic

21

A wavelength of 460 nm is in the visible light range of the electromagnetic spectrum. What color is light at 460 nm?

blue

22

When the Elodea leaf was exposed to 0.85% saline (physiological saline), what happened to the leaf?

There was no effect on the leaf.

23

A wavelength of 440 nm is in the visible light range of the electromagnetic spectrum. What color is light at 440 nm?

indigo

24

Which of the following plant pigments absorbs light at 480 nm?

beta carotene

25

Which of the following plant pigments absorbs light at 640 nm? check all that apply.

phycocyanin

chlorophyll b

chlorphyll a

26

The types of light most often reflected by green leaves is:

green light

27

Spinach leaves contain the pigment, beta carotene?

: True

28

Which of the following plant pigments absorbs light at 580 nm? check all that apply.

phycocyanin

phycoerythrin

29

Which of the following plant pigments absorb light at 460 nm? Check all that apply.

chlorophyll a

beta carotene

30

A wavelength of 680 nm is in the visible light range of the electromagnetic spectrum. What color is light at 680 nm?

red

31

Which of the following plant pigments absorbs light at 620 nm?

phycocyanin

32

To create the membrane potential that drives photooxidation, protons are pumped:

into the thylakoid lumen

33

A wavelength of 600 nm is in the visible light range of the electromagnetic spectrum. What color is light at 600 nm?

orange

34

Spinach leaves contain chlorophyll b.

True

35

A wavelength of 480 nm is in the visible light range of the electromagnetic spectrum. What color is light at 480 nm?

blue

36

A wavelength of 420 nm is in the visible light range of the electromagnetic spectrum. What color is light at 420 nm?

violet

37

Which of the following plant pigments absorbs light at 600 nm?

phycocyanin

38

3 % NaCl is _________________ to the elodea leaf.

hypertonic

39

When the Elodea leaf was put in distilled water, what did you see under the microscope?

The cell looked enlarged.

40

Which of the following plant pigments absorbs light at 540 nm? Check all that apply.

phycoerythrin

phycocyanin

41

A wavelength of 400 nm is in the visible light range of the electromagnetic spectrum. What color is light at 400 nm?

violet

42

A wavelength of 520 nm is in the visible light range of the electromagnetic spectrum. What color is light at 520 nm?

green