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Worksheets

PRE - WEEK 3 & 4

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.
Plants in deserts often ______ water during rare rainfall periods.
a)
accumulate
b)
dilute
c)
minimize
2.

Cactus plants are well (a)   to extreme desert conditions.(starting with letter "A")

3.
Scientists try to ______ how plants survive with very little moisture.
a)
determine
b)
anticipate
c)
demonstrate
4.
Adding water will ______ the concentration of salt in the soil.
a)
dilute
b)
occupy
c)
accumulate
5.
Despite harsh conditions, deserts contain a surprisingly ______ range of plant species.
a)
diverse
b)
violent
c)
sparse
6.

High temperatures increase the rate of water (a)   from the soil (starting with letter "E").

7.

Plants in deserts must survive (a)   heat and long periods without rain. (starting with letter "E")

8.
Most vegetation grows along the ______ of rivers in desert areas.
a)
fringe
b)
boundary
c)
range
9.
A plant’s survival ______ helps it reduce water loss.
a)
mechanism
b)
occupation
c)
vision
10.

Thick waxy leaves help (a)   moisture loss in desert plants. (starting with letter "M")

11.

Desert soil contains very little (a)   , making plant growth difficult.(starting with letter "M")

12.
Only a few species can ______ areas with extremely dry soil.
a)
occupy
b)
scan
c)
coordinate
13.

Some desert plants are (a)   , producing seeds rapidly after rain.(starting with letter "P")

14.

Cacti are highly (a)   plants that can survive long droughts.(starting with letter "R")

15.

Vegetation in deserts is often (a)   , with plants spaced far apart.(starting with letter "S")

16.

Heat and lack of water act as major environmental (a)   for desert plants.(starting with letter "S")

17.
Temperature ______ between day and night challenge desert plant life.
a)
swings
b)
mechanisms
c)
visions
18.

Only plants that adapt well can (a)   in desert environments.(starting with letter "T")

19.
Some desert regions are ______ zones between grassland and true desert.
a)
transitional
b)
peripheral
c)
indiscernible
20.
Strong winds can cause ______ sandstorms that damage desert vegetation.
a)
violent
b)
tolerant
c)
athletic