Bio 2 H 1st Semester Exam

Question 1

What is one advantage of transpirational water loss in plants?

Answer 1

Assists in the transport of minerals throughout the plant

Question 2

Legumes are valuable crops because they have protein-rich seeds and because

Answer 2

They improve the nitrogen content of the soil

Question 3

In woody stems and roots, the epidermis is replaced by

Answer 3

Cork cells

Question 4

One of the inorganic nutrients recycled by plants is

Answer 4

Phosphorus

Question 5

Mycorrhizal fungi

Answer 5

Infect plant roots without harming the roots

Question 6

About half of the worlds species of plants and animals live in

Answer 6

Tropical rain forests

Question 7

Some bacteria can take what atmospheric gas and convert it into a form plants can use

Answer 7

Nitrogen

Question 8

What step has been taken to reduce the introduction of plant pests and diseases into the US from other locations

Answer 8

Government inspectors screen incoming plant materials

Question 9

Giant ragweed in pollinated by

Answer 9

Wind

Question 10

Grasses that contain grains are called

Answer 10

Cereals

Question 11

Why are redwoods resistant to fire

Answer 11

Their bark is very thick

Question 12

Grains can be fermented into alcohol and mixed with gasoline to make

Answer 12

Gasohol

Question 13

Growing plants and animals for human use is called

Answer 13

Agriculture

Question 14

A crop that would be an example of a tuber would be

Answer 14

Yam

Question 15

What type of plant would this alternation-of-generation diagram represent

Answer 15

Vascular plant

Question 16

Plant tissue that carries organic nutrients in any direction depending on a plants needs is

Answer 16

Phloem

Question 17

A plant that grows on another plant is called a what

Answer 17

Epiphyte

Question 18

What is a rhizome

Answer 18

An underground stem found in most ferns

Question 19

What is one role of stomata on plants

Answer 19

Allow exchange of oxygen and carbon dioxide

Question 20

The occurence of the first land plants coincided with what event

Answer 20

The formation of the ozone layer

Question 21

How many chloroplasts does a hornwort cell have

Answer 21

1

Question 22

Mosses are called pioneer plants because they

Answer 22

Are often the first species to inhabit a barren area

Question 23

The plant tissue that transports water from the roots to the leaves is the

Answer 23

Xylem

Question 24

The mobile sexual reproductive parts of all seedless plants are

Answer 24

Spores

Question 25

Most monocots

Answer 25

Have parallel venation

Question 26

One of the differences between angiosperms and gymnosperms is that

Answer 26

Angiosperms have a more efficient vascular system

Question 27

Primary growth refers to

Answer 27

An increase in the length of a plant

Question 28

These meristems allow grass leaves to quickly regrow after being grazed or mowed

Answer 28

Intercalary

Question 29

A cactus is called a ___ because of its fleshy water-storing stems

Answer 29

Succulent

Question 30

New xylem with cells that are wide and this walled are a type of wood called

Answer 30

Springwood

Question 31

What is the major limitation to plant photosynthesis

Answer 31

Insufficient water due to transpiration

Question 32

Leaf veins are part of the ___ system

Answer 32

Vascular

Question 33

Why do annual rings often not occur in tropical trees

Answer 33

The have a uniform year-round environment

Question 34

Which of the following are found in both roots and stems

Answer 34

Vascular tissues

Question 35

Most roots form symbiotic relationships with fungi to form a ___________

Answer 35

Mycorrihiza

Question 36

The innermost boundary of the cortex is the __________

Answer 36

Endodermis

Question 37

Which section should include your hypothesis and a brief statement about why you expected certain types of results

Answer 37

Discussion

Question 38

A complex series of reactions in which one product is consumed in the next reaction is called a ___________ _______

Answer 38

Biochemical pathway

Question 39

The final product of the Calvin cycle (that is used to make organic compounds) is

Answer 39

G3P

Question 40

Plants that utilize the CAM pathway tend to be found in _____ climates

Answer 40

Hot, dry

Question 41

In glycosis, organic compounds are converted into three-carbon molecules of _____

Answer 41

Pyruvic acid

Question 42

In eukaryotic cells, the Krebs cycle and the electron transport chain takes place in the ____

Answer 42

Mitochondria

Question 43

What process in plants is important for reducing competition

Answer 43

Dispersal

Question 44

Which of the following is NOT used by pine seeds for dispersal

Answer 44

Forcible discharge

Question 45

The embryonic root is known as the

Answer 45

Radicle

Question 46

In the pine seed, the embryo is surround by what

Answer 46

The tissue of the female gametophyte

Question 47

Double fertilization occurs in

Answer 47

Angiosperms

Question 48

A thick layer of cells that surrounds megasporangium in conifers

Answer 48

Integument

Question 49

This structure on ferns is where haploid spores are formed and released

Answer 49

Sorus

Question 50

Joining two or more plant parts to form a single plant is known as what

Answer 50

Grafting

Question 51

One structure that is found in ferns but not in mosses or conifers is

Answer 51

A sorus

Question 52

What is the dominant generation in the fern life cycle

Answer 52

Sporophyte

Question 53

In a flowering plant, the female gametophyte is referred to as

Answer 53

An embryo sac

Question 54

In a flowering plant, one sperm fertilizes the polar nuclei to form the

Answer 54

Endosperm

Question 55

Enzyme that allows protons to flow through down a concentration gradient, ATP is made as a result

Answer 55

ATP synthase

Question 56

What molecule does oxygen become a part of at the end of the electron transport

Answer 56

Water

Question 57

Lactic acid fermentation occurs in the ______ cells of humans during very strenuous exercise

Answer 57

Muscle

Question 58

Beginning of Glycolysis, two phospates are add to the ______ at the expense of ATP

Answer 58

6-Carbon glucose

Question 59

In what part of the chloroplast does the Calvin cycle take place

Answer 59

Stoma

Question 60

Neither chlorophyll a nor chlorophyll b absorb much _____ light

Answer 60

Green

Question 61

What is the energy lost by the electron transport chain used for

Answer 61

To move protons into the thylakoid

Question 62

Why should the discussion section be written after the results section

Answer 62

So you have a good idea of what the experiment has demonstrated

Question 63

Which tense is generally recommended for writing the materials and methods section

Answer 63

Past

Question 64

It is acceptable to set out to do which of the following in your experiment and writing

Answer 64

Test something

Question 65

Which part of a lab report should be written first

Answer 65

Materials and Methods

Question 66

Direct quotes are rarely used in laboratory reports and should be avoided. T/F

Answer 66

True