STD VII - Science (II)

Name
Class
ITS ID
The unit of measurement of Temperature is _______
Meter
Kilogram
Degree Celcius
Second
The normal temperature of human body is _______
40° C
37° C
42° C
35° C
Mushroom is ________
An autotroph
Heterotroph
Saprotrophic
Fungus
What is the percentage of oxygen in the inhaled air?
21 %
16.4 %
18 %
20 %
What is the percentage of Carbon dioxide in the exhaled air?
23 %
4.4 %
6 %
0.04 %
In a cockroach, air enters the body through _______
Lungs
Gills
Spiracles
Skin
The air tubes in insects are called ________
Bronchus
Tracheae
Nostrils
Holes
Name the muscular sheet which separates the abdomen from the chest cavity.
Diaphram
Ribs
Spiracles
Tracheae
Length of small intestine is _______
10.5 m long
40 m long
23.4 m long
7.5 m long
During heavy exercise, we get cramps in the legs due to the accumulation of _________
Carbon dioxide
Lactic acid
Citric acid
Water
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