General Science Questions Practice Question and Answer
8 Q: Identify the unisexual flower-
978 0639c8d57c7eb1b240b5f9228
639c8d57c7eb1b240b5f9228- 1Petuniafalse
- 2Corntrue
- 3Rosefalse
- 4Mustardfalse
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Answer : 2. "Corn"
Q: A virtual image larger than the object can be obtained by a ________.
977 0639c89fb4eaee21296c27b86
639c89fb4eaee21296c27b86- 1convex mirrorfalse
- 2plane mirrorfalse
- 3concave mirrorfalse
- 4concave lenstrue
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Answer : 4. "concave lens"
Q: Which organism causes the Kala-azar disease?
975 062e7e141efd77421d9573600
62e7e141efd77421d9573600- 1Amoebafalse
- 2Plasmodiumfalse
- 3Planariafalse
- 4Leishmaniatrue
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Answer : 4. "Leishmania"
Explanation :
1. Kala-azar disease is caused by the protozoa Leishmania donovani.
2. It is a parasitic protozoa that belongs to the class Mastigophora or Flagellata. It is caused by sand fly (Phlebotomus) which causes kala azar or dumdum fever.
Q: The refractive index of diamond is-
975 063b56b933d35cd0dee949e11
63b56b933d35cd0dee949e11- 11.77false
- 21.47false
- 31.44false
- 42.42true
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Answer : 4. "2.42"
Explanation :
The refractive index of diamond is approximately 2.42. Diamond has a very high refractive index, which means it bends light at a significant angle when it enters the diamond, contributing to its sparkling brilliance.
Q: Which of the following metal is mainly used in mobile phone batteries?
974 0632853784ada076be6505442
632853784ada076be6505442- 1Lithiumtrue
- 2Copperfalse
- 3Copperfalse
- 4Aluminiumfalse
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Answer : 1. "Lithium"
Q: Which is the principle of Learning Environment study?
971 060fa7d6f16158a5eedb4b426
60fa7d6f16158a5eedb4b426- 1Principle of necessityfalse
- 2Principle of utilityfalse
- 3Principle of relationship with lifefalse
- 4All of thesetrue
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Answer : 4. "All of these"
Q: What is the average life of Red blood cells in the human body?
971 06310f3f71547bf2f2cc8e4d8
6310f3f71547bf2f2cc8e4d8- 1Around 120 daystrue
- 2Around 270 daysfalse
- 3Around 300 daysfalse
- 4Equivalent to human’s lifefalse
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Answer : 1. "Around 120 days "
Explanation :
1. The average life of red blood cells in the human body is 120 days. This is the time it takes from the formation of red blood cells until they flow in the blood. Red blood cells are made in the bone marrow and then they are shed into the blood. While flowing in the blood, red blood cells carry oxygen from the lungs to the rest of the body and carry carbon dioxide from the rest of the body to the lungs.
Q: Which one of the following is not correctly matched?
970 062e7ce0defd77421d956ed23
62e7ce0defd77421d956ed23- 1DPT - Vaccinefalse
- 2DOTS - Tuberculosisfalse
- 3Adrenaline - Hormonefalse
- 4AB+ Blood group - Universal Donortrue
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Answer : 4. "AB+ Blood group - Universal Donor "
Explanation :
All of the following are matched.
(A) DPT - Vaccine
(B) DOTS - Tuberculosis
(C) Adrenaline - Hormone