Dear Aspirants,
We are providing the most important General Science Previous year Questions for RRB NTPC 2019, RRB Group D 2019, SSC 2019 and all other competitive exams. These questions have very high chances to be asked in RRB NTPC 2019, RRB Group D 2019.
Set-14 General Science Previous Year Questions
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1.Which of the following increases the rate of heart beat?
1. Peripheral nerves
2. Sympathetic nerves
3. Parasympathetic nerves
4. Cranial nerves
Ans:2
2. The deficiency of Niacin-a vitamin of B complex group causes the disease ________
1. Marasmus
2. Pellagra
3. Rickets
4. Night-blindness
Ans:2
3. Algal bloom results from –
1. Global warming
2. Salination
3. Eutrophication
4. Biomagnification
Ans:3
4. If waste materials contaminate the source of drinking water, which of the following diseases will spread?
1. Scurvy
2. Typhoid
3. Malaria
4. Anaemia
Ans:2
5. Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in –
1. Peas
2. Wheat
3. Corn
4. Oats
Ans:1
6. Children especially in western countries who receive very little sunshine suffer from –
1. Rickets
2. Dermatitis
3. Scurvy
4. Measles
Ans:1
7.Companion cells are unique to?
1. Bryophytes
2. Pteridophytes
3. Angiosperms
4. Gymnosperms
Ans:3
8.Lacrymal glands are situated in the?
1. Palms
2. Buccal cavity
3. Eye orbit
4. Stomach
Ans:3
9. Which mosquito is the carrier of Zika virus?
1. Culex
2. Aedes
3. Anopheles
4. Culiseta
Ans:2
10. The blotting technique used to identify the isolated protein is ________
1. Northern blotting
2. Western blotting
3. Southern blotting
4. Cloning
Ans:2
11. Sphygmomanometer measures the blood pressure in the
1. Veins
2. Arteries
3. Eyes
4. Synovial
Ans:2
12. The sigmoid colon is a part of
1. Small Intestine
2. Large Intestine
3. Pharynx
4. Rectum
Ans:2
13. The connective tissue that connects a muscle to a bone is
1. Cartilage
2. Ligament
3. Tendon
4. Interstitial fluid
Ans:3
14. Blood group was discovered by
1. Alexander Fleming
2. William Harvey
3. Landsteiner
4. Paulov
Ans:3
15. People with Down’s syndrome invariably affected by:
1. Huntington’s disease
2. Alzheimer’s disease
3. Meningitis
4. Brain haemorrhage
Ans:2
16. Normal blood pressure reading of an adult human:
1. 80/140 mm Hg
2. 120/80 mm Hg
3. 130/90 mm Hg
4. 160/95 mm Hg
Ans:2
17. ‘Red Data Book’ provides an account of
1. Endangered plants only
2. Fossil plants
3. Endangered plants and animals
4. Extinct animals only
Ans:3
18. Which one of the following chemicals is associated with muscle fatigue?
1. Uric acid
2. Acetic acid
3. Pyruvic acid
4. Lactic acid
Ans:4
19. Oxyntic cell is meant for the secretion of –
1. Pepsin
2. Enterokinase
3. Hydrochloric acid
4. Lactic acid
Ans:3
20.How many chromosomes are there in humans?
1. 36
2. 46
3. 56
4. 26
Ans:2