A)       VOCABULARY (5 pt. per answer)

        fungus     alga                 compose         feed     habitat round              destroy                       soil                         

1.       An organism’s environment is defined as all the living and nonliving things that __________ the organism.

2.      Within an ecosystem, each organism has its own role. The role of an organism in the community is called its niche. For example, the niche of a plant in a community is to make __________.  

3.      Ecologists study heterotrophs in two groups: Organisms that feed on other organisms are called consumers, and those that break down dead organisms are called __________.  

4.      Small __________ in a lake use solar energy to produce food, so they are producers.

5.      The living parts of an ecosystem are called biotic factors. These can be plants, animals, __________, protista or monera.  

B)    GRAMMAR (5 pt. per answer)

6.      A single (A) mitochondria is called (B) the power house (C) of the cell (D) because it is responsible (E) for energy production.    

7.      (A) Ribosomes are (B) granular substances (C) and are found (D) the ER. They (E) make proteins.   

8.      (A) Some plastids are colorless and (B) leucoplasts are (C) called (leuco means white in Greek). (D) These serve as storage sites (E) for food.

9.      Golgi body (A) is a stack of membranes and (B) form flattened sacs. (C) It processes, packages (D) and stores certain products (E) of the cell.

10.   (A) Inside the cell membrane (B) there is a jelly-like fluid (C) which is grayish in color. (D) This is the cytoplasm. It looks (E) at the white of an egg.

C)         READING (5 pt. per answer)

Answer the questions referring to the passage below.

         (I) In the process of respiration oxygen is taken in from the air. (II) This oxygen passes into the blood in the lungs. (III) This is the place where gas exchange takes place. (IV) We breathe through the nose, where dust and bacteria are trapped.  (V) The air is also warmed and moistened slightly before it enters the lungs. (VI) The air travels through the trachea which contains thin hairs, called cilia, to further trap dust and foreign particles. (VII) The trachea divides into two bronchi (singular, bronchus) which divide into thinner tubes called bronchioles. (VIII) These tubes terminate in air sacs called alveoli. (IX) The red blood cells in the blood carry the oxygen to all the cells of the body. (X) The oxygen passes from the alveoli to the blood through very thin blood vessels called capillaries. (XI) The oxygen is carried to the cells by the blood. (XII) Here food is burned to release energy, water and carbon dioxide.

11.       Which sentences must be interchanged for the passage to be coherent?

12.       In line 15, what does “these” refer to?

13.       What kind of a question would the passage best respond to? 

14.       Taking into consideration the connection in the table below, determine what must be in the gap.

15.  “Homophone is a word that sounds the same as another word but has its own spelling, meaning, and origin.”

Find from the passage the homophone that sounds the same as “wear”. 

D)       WRITING (5 pt. per answer)

16.   During puberty, in females, the ovaries begin to release eggs and the menstrual cycle begins.

17.  With puberty, in males, the testes begin to produce sperm cells. The sex hormones also bring the development of the secondary sex characteristics. Muscles develop, becoming larger and stronger.

18.  Compose and determine which phrase comes third from the beginning of the sentence in correct order.

(I) chlorophyll

(II) by the green

(III) are masked

(IV) colors but these

(V) color of

(VI) of other different

(VII) autotrophs have pigments

19.  Compose and determine which phrase comes last from the beginning of the sentence in correct order.

(I) concentration

(II from higher

(III) called diffusion

(IV) concentration is

(V)  the molecules

(VI) the motion of

(VII) to lower

20.  Archaebacteria mean  ­­­­­­­­­­­­­­­­­­­__________________

English Instructor: Ümit YURDUSEVEN