Biology

Question 1

Physiology is the study of ___________ ___________ that occur in the daily life of an organism.

Answer 1

Life processes

Question 2

Movement in a plant caused by changes in turgor pressure is called _________ __________.

Answer 2

Nastic movement

Question 3

A plant uses a process called ______________ to convert carbon dioxide and water into glucose and oxygen.

Answer 3

Photosynthesis

Question 4

Spaces in the soil which determine how much water and air the soil containers are called __________ __________.

Answer 4

Pore spaces

Question 5

The four components of loam include ____________, ____________, ____________, and ____________.

Answer 5

Gravel, sand, silt, and clay

Question 6

______________ is the phenomenon that occurs when individual molecules are strongly attracted to one another.

Answer 6

Cohesion

Question 7

Translocation is the process by which organic substances move down the ___________ of a plant.

Answer 7

Phloem

Question 8

Substances which affect the rate of cellular reproduction and development of cells are called ___________.

Answer 8

Hormones

Question 9

An ovule with a protective coating that encases a mature plant embryo and nutrient source is called a/an ___________.

Answer 9

Seed

Question 10

Which of the following can a plant ignore for a short time without dying?

a. Turgor pressure
b. Transport
c. Photosynthesis
d. hydrolysis

Answer 10

a. Turgor pressure

Question 11

A growth response to light is called

a. Thigmotropism
b. Gravotropism
c. Phototropism
d. Endotropism

Answer 11

Phototropism

Question 12

Which of the following is not true of the xylem?

a. contains water
b. comprised of living cells
c. has thick cell walls
d. contains dissolved minerals

Answer 12

b. comprised of living cells

Question 13

perfect flowers are flowers which have both __________ and ___________.

Answer 13

stamen and carpels

Question 14

the by-products of hydrolysis include

a. protein and nitrogen
b. glucose and oxygen
c. carbon dioxide and water
d. pollen and ovules

Answer 14

c. carbon dioxide and water

Question 15

the Venus’s flytrap obtains what important raw material by digesting insects ?

a. oxygen
b. carbon dioxide
c. glucose
d. nitrogen

Answer 15

d. nitrogen

Question 16

which of the following would a biology student find in an imperfect flower?

a. carpel and stamen
b. anther and filament
c. style and anther
d. ovule and pollen

Answer 16

b. anther and filament

Question 17

the upward movement of water in a plant involves all the following processes except

a. translocation
b. cohesion
c. tension
d. transpiration

Answer 17

a. translocation

Question 18

maple syrup is tapped from living maple trees. From which tissue is the maple syrup extracted?

a. meristematic
b. xylem
c. endodermis
d. phloem

Answer 18

d. phloem

Question 19

which of the following is not a plant hormone?

a. auxin
b. gibberellin
c. estrogen
d. cytokinin

Answer 19

c. estrogen

Question 20

which is true of auxins?

a. affect mitosis
b. open the stomata
c. concentration is gravity dependent
d. control leaf budding

Answer 20

c. concentration is gravity dependent

Question 21

the carpel of a flower contains all of the following except

a. stigma
b. anther
c. ovary
d. style

Answer 21

b. anther

Question 22

the three parts of a pollen grain include

a. 1 tube nucleus and 2 sperm cells
b. 1 pollen sac and 2 pollen dusts
c. 1 diploid cell and 2 microspores
d. 1 embryo sac and 2 megaspores

Answer 22

a. 1 tube nucleus and 2 sperm cells

Question 23

the embryo sac consists of a total of how many cells?

a. three
b. five
c. seven
d. nine

Answer 23

c. seven

Question 24

which of the following contain genetic information from three haploid cells?

a. megaspore
b. cotyledon
c. pollen tube
d. endosperm

Answer 24

d. endosperm

Question 25

a cucumber is an example of a

a. pome
b. modified berry
c. drupe
d. berry

Answer 25

b. modified berry