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-7 General Science Previous Year Questions
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1.The heat treatment applied to milk to stabilize and to remove disease causing bacteria is called as –
1. Pasteurization
2. Fermentation
3. Coagulation
4. Homogenization
Ans:1
2.Cockroach cannot survive in the water because its respiratory organ is –
1. Gill
2. Trachea
3. Book lung
4. Pulmonary sac
Ans:2
3. Which of the following is an egg laying mammal?
1. Bat
2. Leafy-Ant eater
3. Whale
4. Spiny Ant-eater
Ans:4
4. Which one of the following is the smallest bird?
1. Peacock
2. Penguin
3. Humming bird
4. Emu
Ans:3
5. Flat footed camels can walk easily in sandy deserts because –
1. pressure on the sand is decreased by increasing the area of the surface in contact
2. pressure on the sand is increased by increasing the area of the surface in contact
3. pressure on the sand is decreased by decreasing the area of the surface in contact
4. pressure on the sand is increased by decreasing the area of the surface in contact
Ans:1
6. Mitochondria was discovered by –
1. Weismann
2. Darwin
3. Lamarck
4. Richard Altamann
Ans:4
7. The chemical used for destroying fungi in water tanks is –
1. Copper Sulphate
2. Magnesium Sulphate
3. Zinc Sulphate
4. Nitric Acid
Ans:1
8. Which of the following is a Parthenocarpic fruit?
1. Banana
2. Apple
3. Mulberry
4. Strawberry
Ans:1
9. Carrot is orange in colour because –
1. it grows in the soil
2. it is not exposed to sunlight
3. it contains carotene
4. the entire plant is orange in colour
Ans:3
10. Water in plants is transported by –
1. Cambium
2. Phloem
3. Epidermis
4. Xylem
Ans:4
11. Term Vitamin was coined by –
1. Charles Levaran
2. Casimir Funk
3. Robert koch
4. Robert hooke
Ans:2
12. Nutrients are recycled in the atmosphere with the help of certain microorganisms referred to as –
1. Producers
2. Consumers
3. Decomposers
4. None of these
Ans:3
13. Scurvy is caused due to the deficiency of –
1. Vitamin-D
2. Vitamin-K
3. Vitamin-E
4. Vitamin-C
Ans:4
14. Disorder in which concentration of glucose in the blood is high –
1. Hyperglycemia
2. Glycosuria
3. Glucoma
4. Uremia
Ans:1
15. An example of hormone is –
1. Cytosine
2. Renin
3. Oxytocin
4. Peprin
Ans:3
16. To reduce tooth decay most toothpastes contain a –
1. Bromide
2. Fluoride
3. Iodide
4. Chloride
Ans:2
17. The part of brain which controls emotional reactions in our body is –
1. Hypothalamus
2. Cerebrum
3. Meninges
4. Thalamus
Ans:1
18. An organism that transmits disease from one individual to another is called –
1. Hybrid
2. Fragment
3. Vector
4. Clone
Ans:3
19. Which endocrine gland is found in chest cavity?
1. Pineal gland
2. Thymus gland
3. Adrenal gland
4. Thyroid gland
Ans:2
20. Blue Revolution is related to:
1. Space research
2. Poultry
3. Drinking water
4. Fisheries
Ans:4