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 Final revision - chapter 1 - model answer

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A.M & SC.Co.

A.M & SC.Co.

Posts : 36
Join date : 2010-01-27
Location : Diplomatic International school

Final revision - chapter 1 - model answer Empty
PostSubject: Final revision - chapter 1 - model answer   Final revision - chapter 1 - model answer I_icon_minitimeThu Jan 28, 2010 10:45 pm

Dear Students , plz try to solve these questions on your own , before checking the answers.

pg. 3
Q.1) Compete the following :
1.building
2.nucleus .
3.processes.
4.living- nonliving .
5.host cell .
6.tubelike- leaves -roots -stem .
7.vascular.
8.support.- taller.
9. wet / moist
10.warm .

Q.2) Mention if the followings are ( T) or ( F) :
1.(F)
2.(T)
3.(F)
Not all
4.(T)
5.(F)
Not all
6.(T)
7.(T)
8.(F)
five main groups.
9.(T)
10(T)
11.(F)
A spider is from arachnides
12.(F)
cannot make its own food.

pg.4
Q.3 Answer the following

1.Through tubes in these vascular plants.
2.It squeezes its prey then swallows it as whole .
3.It vibrates its muscles to warm her eggs.

Q.4 Match

c
a
d
b
f
e

pg.5
Q.5 )Give reason :
1.Not made of cells. - Don't make or use food.
2.Because water and nutrients pass only from one cell to the other one next to it and there is no support in these plants.
3.They have 8 legs while insects have 6 only , they have 2 main body parts , while insects have 3 main body parts.

Q.6 Compare :
1)Plant cell :
-Present
-Present
-present
-Can make

2) Animal cell
-absent
-present
-absent
-cann't make

___________________________________________________________
1)Mosses
-Don't have true stems and leaves
-places of low temperature
-look like a valvety green mat .

2)Hornworts
-Don't have true stems and leaves
-Warm places
-like a cattle horn

3)Liverworts
-live in moist rocks or soil
-like a liver shape .

pg.6
Q.4) Define :
1. Plants that have tubelike structure.
2. Tiny cells that have different shapes and sizes and can form new plants , they arecells surrounded by a coat.

Q.5) Complete :
1.Liverworts.
2.Mosses -low
3.seeds - spores.
4.cactus - poppy - wheat .
5.Ferns - mosses.
6.spore .
7.mammals- amphibians - reptiles - fish - birds.
8.scales - water - gills .
9.cold
10.smooth, wet - land - in water - gills - lungs - cold .
11.scales - lungs.
12.cold
13.feathers- lungs- warm .
14.snakes , alligators, lizards, turtles. - crocodiles.
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Final revision - chapter 1 - model answer
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