Name : ______________________ Class 12A __ ONE-PERIOD TEST ( UNIT 9+10+11) TYPE 1
Mark the letter A, B,C or D to indicate the correct answer to each of the following questions.
Question 1: One well-known desert plant is the _______ , which grows well in hot dry regions.
A. cactus B. spinifex C. date palm D. eucalyptus
Question 2: Madigan led a ________ expedition across the sand dunes on a more northerly route.
A. scientific B. scientist C. science D. scientifically
Question 3: Humans benefit greatly from the many medicines and other products that ________ provides.
A. biodiversity B. habitat C. diversity D. environment
Question 4: If you want to learn how to knit or work with wood, you should buy a _____ book.
A. craft B. fiction C. comic D. science
Question 5: The Simpson Desert remained a _______ until Madigan made an aerial survey in 1929.
A. mystery B. mysterious C. mysteriously D. mysteriousness
Question 6: The primary causes of species extinction are habitat destruction, commercial _____ and pollution.
A. exploitation B. damage C. production D. chance
Question 7: Many species of animals, birds and even insects are in ________ of disappearing from the earth.
A. danger B. endanger C. endangered D. dangerous
Question 8: Many species of animals and plants become extinct each year before _______ can identify them.
A. biologists B. biology C. biological D. biologically
Question 9: Books are still a cheap way to get _________ and entertainment.
A. information B. inform C. informative D. informatively
Question 10: If you like books with an _______ story especially ones about crime or spies, read a thriller.
A. exciting B. excite C. excitement D. excited
Question 11: Most of the Sahara desert consists ______ rocky; large sand dunes from only a minor part.
A. of B. about C. with D. from
Question 12: Humans depend ___ species diversity to have food, clean air and water and soil for agriculture.
A. on B. with C. for D. of
Question 13: If it is a book on a subject that you are interested ______ , you will want to chew and digest it.
A. in B. at C. about D. with
Question 14: Last week, I _______ home after playing tennis when it started raining heavily.
A. was walking B. walked C. had walked D. had been walking
Question 15: Mary missed the meeting because no one ________ her about it.

everywhere (29)______ the same, in all ages and in all classes. This knowledge improves our love of others and
helps us to live in (30)______ with them. We also understand that the world was made (31)______ for man
alone but for every creature that can feel hunger and thrist, (32)______ and cold.
Question 28: A. provide B. describe C. change D. buy
Question 29: A. are B. is C. were D. was
Question 30: A. peace B. peaceful C. peacefully D. peaceable
Question 31: A. not only B. enough C. despite D. due to
Question 32: A. warmth B.warm C. warmly D. warmer
Read the passage and mark the letter A,B,C or D to indicate the correct answer to each of the questions.
Gorillas are peaceful, gentle, sociable, and mainly plant-eating creatures. They live in family groups. A
typical group is led by the biggest and strongest grown-up male gorilla. A silverback’s group usually includes
one or two sub-adult males and a few females and their young.Their food includes a variety of plants along with
a few kinds of insects and worms. At night the animals make a nest to sleep in. Many lightweight gorillas nest
in trees. The heavier ones may nest in grasses on the ground. Babies sleep with their mothers at night.
Life for mountain gorillas is not always peaceful. They are endangered and threatened by civil wars in
the smaller parts of Africa. Hunters kill them for food. Their forests are cut down for farmland, fuel, and
housing. But many scientists, forest rangers and other concerned people are working hard to protect mountain
gorillas and their habitats.
Question 33: We can find gorillas in __________.
A. Africa B. Europe C. Asia D. Australia
Question 34: Which of the following can be a group leader?
A. The biggest and strongest adult male gorilla B. The heavy gorilla
C. The biggest adult female gorilla D. A grown-up gorilla
Question 35: Why do hunters kill mountain gorillas?
A. For food. B. For their skin. C. For their nests. D. For their trees they live in.
Question 36: Which of the following statements is NOT true?
A. Life for mountain gorillas is peaceful. B. Gorillas are endangered and threatened by civil wars
C. Gorillas’ forests are cut down for farmland, fuel, and housing. D. A gorilla sometimes eats worms.
Mark the letter A, B,C or D to show the underlined part that needs correction.
Question 37: People do not know much about the need to protect rare and dangerous animals.