12TH CLASS
Test No –1 1
Subjective
Q No:1: choose
the correct answer.
1:
The metabolic wastes that are ingested into the body and most be
removed.
a) Pesticides b)
Drugs c) Food
d) all of these
2: Ammonia is Secreted by most .
a) Body fishes b)
Organism that produce shelled
eggs
c) Insects d) adult amphibians
3:
The exectory system
of planarian is
called.
a) Metanephsidium b)
protonephsidium c) Nephron
d) nephsidium
4:
Brain is protected by .
a) cranium b)
skull c) orbits
d) All of these
5:
Muscle fatigue is caused by
a)
Co2 b) Fumasic acid c)
Ethle alcohol
d) accumulation of lactic acid
6:
Animals that secrete wrea is
colled .
a) wuricotellic b) ammonotellic c)
wreotile d) None
7:
The animal that do not maintain their internal
ensrirenment
celled .
a) osmosegulatirs b)
Osmoconformers c) both
d) None
8:
Tdypmesly is duve w
a) Gibberlins b)
Abscisns c) Aunin
d)None
9
Sopt collus feigns
to form in
a)
4-5 weeks b)
4-6 weeks c)
2-3 weeks d)
3-4 weeks
10:
The daimeter of cilia of
paramecium veariev fram .
a)
o.2 to o.5ll
b) o.2 to o.4 ll
c) o.1 to o.6ll d ) 0.1to 0.5 ll
Subjective Q No 2: Attempt any 10 Questions
.
1: What is urea cycle?
2:
Define nephron .
3:
How do fresh water animals osmoregulate ?
4:
Differentiate b/w hydsophytes and
mesophytes?
5:
What is Flame cell?
6:
Name the hormones which help kindly in their function.
7:
Define anhydsobiosis with an enample.
8:
What is hydrostatic skeleton ?
9:
Describe muscle Fatigue .
10:
What is rickets ?
11:
Describe the Function of swim blants ?
12:
What is disc-slip?
13:
What is paratonic movement
species of trees differ?
14:
How do wood of different species
of trees differ?
Q No 3: Attempt any 2
Questions.
Q 1:
a) HIGH-LIGHT THE ROLE LIVES as
an excretory organ .
b)
Describe the excretion in planaria.
Q 2.
a)Describe the three types of muscles.
b)
How endoskeleton is helpful to verterbrates?
Q 3.
a) List major function of skeletal System.
b)
Describe the significance of Secondary growth ?
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