General Science #19 Multiple Choice Questions

GENERAL SCIENCE #19

MULTIPLE CHOICE QUESTIONSGeneral Science : Multiple Choice Questions (MCQ) : Assam Jobs Guide

1. What does deforestation means?

(a) Designing a forest

(b) Demanding a forest

(c) Planting more trees

(d) Clearing of forests and using that land for other purposes

Answer: (d)

2. Which of the following is the ill effect of deforestation?

(a) Increases pollution level

(b) Increases CO2 level of atmosphere

(c) Increases temperature of earth

(d) All of the above

Answer: (d)

3. Increased level of carbon dioxide in the atmosphere traps the heat rays reflected by the earth causing an increase in the temperature on the earth. This is known as which of the following?

(a) House warming

(b) National warming

(c) Global warming

(d) Local warming

Answer: (c)

4. What is called the part of the earth which supports life where living beings exists?

(a) Biology

(b) Biosphere

(c) Biodiversity

(d) Atmosphere

Answer: (b)

5. Variety of organisms existing on the earth, their interrelationships and their relationship with the environment is called which of the following?

(a) Biosphere

(b) Biology

(c) Diversity

(d) Biodiversity

Answer: (d)

6. What are called the species of plants and animals which are found exclusively in a particular area?

(a) Endemic species

(b) Local species

(c) Specific species

(d) Exotic species

Answer: (a)

7. What are called the animals whose numbers are reducing to a level that they might face extinction?

(a) Extinction species

(b) Dangerous species

(c) Endangered species

(d) Reducing species

Answer: (c)

8. Which of the following is the source book which keeps a record of all the endangered animals and plants?

(a) Green data book

(b) Red data book

(c) Black data book

(d) Blue data book

Answer: (b)

9. Migratory birds fly to far off places in a particular season of the year because that place becomes ……………

(a) Very cold

(b) Very hot

(c) People hunt birds

(d) None of the above

Answer: (a)

10. What does reforestation means?

(a) Planting trees

(b) Cutting trees

(c) Burning trees

(d) Restocking of the destroyed forests by planting new trees

Answer: (d)

11. Hen’s egg is which of the following?

(a) A tissue

(b) A single cell

(c) An organ

(d) None of the above

Answer: (b)

12. What is called the projections of different lengths protruding out of the body of Amoeba?

(a) Legs

(b) Needle

(c) Pseudopodia

(d) Walking legs

Answer: (c)

13. Which of the following cells can change its shape?

(a) White blood cell

(b) Red blood cell

(c) Egg cell

(d) None of the above

Answer: (a)

14. One millionth of a metre is ……………

(a) Nanometre

(b) Micrometre

(c) Centimetre

(d) Millimetre

Answer: (b)

15. Which of the following combinations are present in plant cell but not in animal cell?

(a) Cell wall and plastid

(b) Plastid and nucleus

(c) Cell membrane and cytoplasm

(d) Cell wall and cell membrane

Answer: (a)

16. Nucleus is separated from cytoplasm by which of the following?

(a) Cell membrane

(b) Cell wall

(c) Protoplasm

(d) Nuclear membrane

Answer: (d)

17. Which of the following was first observed by Robert Hooke?

(a) Organs

(b) Cells

(c) Virus

(d) Nucleus

Answer: (b)

18. What is called a cell without organised nucleus?

(a) Prokaryotic cell

(b) Virus

(c) Eukaryotic cell

(d) None of the above

Answer: (a)

19. What is called the jelly-like substance present between the cell membrane and the nucleus?

(a) Nucleoplasm

(b) Oil

(c) Cytoplasm

(d) Water

Answer: (c)

20. Chromosome carry which of the following that transfers characters from parents to offsprings?

(a) Plastid

(b) Mitochondria

(c) Genes

(d) Ribosome

Answer: (c)

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