Reading passages


In a popular sense, "insect" usually means the



Download 1,31 Mb.
Pdf ko'rish
bet199/301
Sana28.03.2022
Hajmi1,31 Mb.
#514809
1   ...   195   196   197   198   199   200   201   202   ...   301
Bog'liq
Test bank reading perfect

In a popular sense, "insect" usually means the 
familiar pests or disease carriers. Many insects, 
however, are beneficial from a human viewpoint; 
they pollinate plants, produce useful substances, 
control pest insects, act as scavengers, and serve 
as food for other. Furthermore, insects are 
valuable objects of study in elucidating many 
aspects of biology. Much of our knowledge of 
genetics has been gained from fruit fly 
experiments and of population biology from flour 


 
 
113 
beetle studies. Insects are often used in 
investigations of hormonal action, nerve and sense 
organ function, and many other physiological 
processes as well. 
 223- The passage is mainly about ............... .
A) the benefits of insects, contrary to the negative 
assumptions about them 
B) the methods to get rid of pests in farming 
C) the importance of insects in food production 
D) a new type of insect employed in genetics 
E) the relationship between insects and 
physiological processes 
224- All the following benefits of insects are 
referred to by the author except the fact that they 
............... .
A) help to eradicate harmful insects 
B) are eaten by other insects 
C) are used in hormonal experiments 
D) eat the remains of plants and animals 
E) are believed to have curative powers 
225- Insects are regarded as valuable in biology 
because ................. .
A) scientists have grown used to working with 
them 
B) they enlighten many dark sides in this field 
C) they have many similarities with mankind
D) people consider them to be good-natured
E) of their low cost and simplicity 

Download 1,31 Mb.

Do'stlaringiz bilan baham:
1   ...   195   196   197   198   199   200   201   202   ...   301




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©hozir.org 2024
ma'muriyatiga murojaat qiling

kiriting | ro'yxatdan o'tish
    Bosh sahifa
юртда тантана
Боғда битган
Бугун юртда
Эшитганлар жилманглар
Эшитмадим деманглар
битган бодомлар
Yangiariq tumani
qitish marakazi
Raqamli texnologiyalar
ilishida muhokamadan
tasdiqqa tavsiya
tavsiya etilgan
iqtisodiyot kafedrasi
steiermarkischen landesregierung
asarlaringizni yuboring
o'zingizning asarlaringizni
Iltimos faqat
faqat o'zingizning
steierm rkischen
landesregierung fachabteilung
rkischen landesregierung
hamshira loyihasi
loyihasi mavsum
faolyatining oqibatlari
asosiy adabiyotlar
fakulteti ahborot
ahborot havfsizligi
havfsizligi kafedrasi
fanidan bo’yicha
fakulteti iqtisodiyot
boshqaruv fakulteti
chiqarishda boshqaruv
ishlab chiqarishda
iqtisodiyot fakultet
multiservis tarmoqlari
fanidan asosiy
Uzbek fanidan
mavzulari potok
asosidagi multiservis
'aliyyil a'ziym
billahil 'aliyyil
illaa billahil
quvvata illaa
falah' deganida
Kompyuter savodxonligi
bo’yicha mustaqil
'alal falah'
Hayya 'alal
'alas soloh
Hayya 'alas
mavsum boyicha


yuklab olish