Biology-District 1 2012

Question 1

The breakdown of large molecules by enzymatic addition of water is an example of what kind of reaction?

Answer 1

Hydrolysis

Question 2

If a plasma membrane were compared to a sandwich, the ____ would be considered the filling.

Answer 2

Hydrophobic tails

Question 3

Chlorophyll reflects which color of light?

Answer 3

Green

Question 4

If meiosis did not occur in sexually reproducing organisms, which of the following would happen?

A) growth of the zygote would stop
B) nothing; mitosis would be sufficient.
C) the chromosome number would double in each generation
D) the gametes would be haploid
E) the eggs would be haploid, but sperm would be diploid

Answer 4

C

Question 5

If R is dominant to r, the offspring of the cross of RR with rr will____?

Answer 5

Display the same phenotype of the RR parent.

Question 6

Which of the following is true of viruses?

A) they were the first forms of life to evolve
B) they do not attack plants
C) they are able to reproduce without using other organisms
D) they are composed of protein only
E) they include some forms that are able to attack bacteria

Answer 6

E

Question 7

Which of the following is characteristic of nearly all fungi?
A) they are saprobes
B) they are parasites
C) they perform extracellular digestion
D) they are unicellular
E) they produce mushrooms (basidiocarps)

Answer 7

C

Question 8

Diatoms are characterized by all but which of the following?
A) overlapping shells
B) silica composition
C) photosynthetic
D) flagella
E) perforations in the shell

Answer 8

D

Question 9

Bryophyte a differ from all other land plants in that they ____?

A) possess swimming sperm
B) have independent gametophytes and dependent sporophytes
C) were the first forms to successfully invade land
D) exhibit alterations of generations
E) possess gametangia that produce sperm and eggs

Answer 9

B

Question 10

What plant tissue is involved in storage, wound healing, and regeneration?

Answer 10

Parenchyma

Question 11

Fruit is produced from the development of the____?

Answer 11

Ovary

Question 12

Which of the following us characteristic of a complete digestive tract?
A) regions specialized for different functions
B) production if acids and digestive enzymes
C) one-way tube with a mouth and an anus
D) surrounded by muscle
E) functions are stimulated by both the endocrine and nervous system

Answer 12

C

Question 13

Which of the following is NOT true of the mammalian circulatory system?

A) the systemic circuit carries oxygenated blood.
B) the circulatory system is open
C) the function of the heart is to generate pressure to make the blood flow through the circulatory system
D) the rate of blood flow varies throughout the circulatory system
E) the interstitial fluid is returned to the circulatory system through the lymphatic system

Answer 13

B

Question 14

Which of the following types of cells is NOT phagocytic

A) monocyte
B) erythrocyte
C) neutrophil
D) eosinophil
E) macrophage

Answer 14

B

Question 15

What gland has both endocrine and exocrine functions?

Answer 15

Pancreas

Question 16

Which of the following is NOT inner bated by the autonomic nervous system?
A) intestinal muscles
B) skeletal muscles
C) heart
D) pancreas
E) liver

Answer 16

B

Question 17

What is the process of cell specialization, which results in cells with the same genetic makeup but different morphology and function?

Answer 17

Differentiation

Remember the slide show Mrs.Kasner showed us where we had to guess the DNA resemblance if the cells.

Question 18

At what level does evolution occur?

Answer 18

Population

Question 19

Chemosynthetic organisms are which of the following?

A) primary consumers
B) secondary consumers
C) tertiary consumers
D) producers
E) scavengers

Answer 19

D

Question 20

Of all the water on earths surface, most of it can NOT be consumed by humans because it contains ____.

Answer 20

Salt