GENERAL SCIENCE #19
MULTIPLE CHOICE QUESTIONS
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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