Q.165 The " Permanent gas" in the atmosphere contains gases :
Anonymous Quiz
20%
a) Carbon dioxide, Ozone & Neon
40%
b) Nitrogen, Oxygen, Argon
40%
c) Both 1 and 2
0%
d) Only 1
Q.166 The correct sequence of different layers of the atmosphere from the surface of the earth from upward to downward :
Anonymous Quiz
20%
a) Ionosphere, Stratosphere, Exosphere, Troposphere
0%
b) Stratosphere, Exosphere, Ionosphere, Troposphere
80%
c) Exosphere, Ionosphere, Stratosphere, Troposphere
0%
d) Ionosphere, Exosphere, Stratosphere, Troposphere
Q.167 Which layer is suitable for
"aviation purposes" :
"aviation purposes" :
Anonymous Quiz
17%
a) Troposphere
17%
b) Ionosphere
0%
c) Thermosphere
67%
d) Stratosphere
Q.168 Which one of the following layers of the atmosphere is responsible for the "deflection of radio waves" ?
Anonymous Quiz
33%
a) Troposphere
50%
b) Ionosphere
17%
c) Stratosphere
0%
d) Mesosphere
Q.169 Which of the following layer is important for biological activities :
Anonymous Quiz
60%
a) Troposphere
40%
b) Ozonosphere
0%
c) Stratosphere
0%
d) Exosphere
Q.170 How many Oxygen atoms are there in the Ozone ?
Anonymous Quiz
40%
a) One
20%
b) Two
40%
c) Three
0%
d) Four
Q.171 The "meteorites burn" in this layer on entering the atmosphere :
Anonymous Quiz
20%
a) Ionosphere
20%
b) Exosphere
40%
c) Stratosphere
20%
d) Mesosphere
Q.172 Which of the following atmospheric layer absorbs the ultraviolet radiations and protect life on the earth ?
Anonymous Quiz
83%
a) Stratosphere
0%
b) Tropopause
17%
c) Photosphere
0%
d) Mesosphere
Q.173 The layer of the atmosphere is responsible for the " Aurora-Borealis" :
Anonymous Quiz
20%
a) Thermosphere
40%
b) Exosphere
40%
c) Troposphere
0%
d) Ionosphere
Q.174 The Geostationery satellite are located in which layer of the atmosphere ?
Anonymous Quiz
20%
a) Photosphere
20%
b) Exosphere
60%
c) Troposphere
0%
d) None of the Above
Q.175 Arrange the following gases present in the Earth's atmosphere in decreasing order and select the correct answer from the courts given below :
1. Xenon 2. Helium
3. Hydrogen 4. Krypton
1. Xenon 2. Helium
3. Hydrogen 4. Krypton
Q176. Warm blooded animals are those which are able to keep their body temperature -
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0%
A) lower than environment
20%
B) higher than environment
20%
C) constant temperature all time
60%
D) equal to the atmospheric temperature
Q177. Which of the following statement is not correct
Anonymous Quiz
25%
A) all echinoderms are viviparous
50%
B) roundworms has no circulatory system
25%
C)in bony fishes, swim bladder is usually present
0%
D) in cartilaginous fishes fertilization is internal
Q178. Which one of the following creatures have no blood but respires
Anonymous Quiz
40%
A)Hydra
40%
B)Cockroach
20%
C)Earthworm
0%
D)Fish
Q179. Of the following which one is not a fish
Anonymous Quiz
60%
A) starfish
20%
B) sawfish
10%
C) pipefish
10%
D) guitarfish
Q180. Of the following which is the true fish
Anonymous Quiz
0%
A) silverfish
22%
B) crayfish
11%
C) jellyfish
67%
D) catfish
Q181. Which of the following is a true fish
Anonymous Quiz
33%
A) starfish
11%
B) jellyfish
11%
C) hagfish
44%
D) seahorse
Q182. Which of the following is a fish
Anonymous Quiz
9%
A) sea cucumber
18%
B) sea cow
55%
C) seahorse
18%
D) sea lion
Q183. How many bones are there in a shark fish
Anonymous Quiz
9%
A) 100
45%
B) 0
27%
C) 200
18%
D) 256