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Genral Science Solved MCQs
1. In human eye, the light sensitive layer made of specializes nerve cells, rods and cones is called as
The iris
The cornea
The pupil
The retina
2. Polyamides are synthetic polymers commonly known as:
Nylon
Protein
Synthetic rubber
Cellulose
3. In a DNA molecules, the rule for base pairing is:
None of these
Adenine always bound with thymine and cytosine with guanine
Adenine always bound with guanine and cytosine with thymine
Adenine always bound with cytosine and thymine with guanine
4. The cytoplasm consists of several types of structures, which are called
Nucleus
Protoplasm
Cytochromes
Organelles
5. The measure the specific gravity of milk, the instrument used is:
Hygrometer
Lactometer
None of these
Barometer
6. Information can be stored in:
All of these
Hard disks
Audio and video cassettes
Floppy and compact discs
7. One of the fundamental characteristics of living organisms is:
Photosynthesis
Excretion
Metabolism
Digestion
8. Information can be sent over long distances in the form of:
Electrical signals through wires
Any computational of these three
Radio waves through air
Light signals through optical fibers
9. Man belongs to the family:
Mammalia
Primataceae
Felidae
Hominidae
10. Deficiency of vitamin C in human body causes a deficiency disease called
Night blindness
Beriberi
Scurvy
None of these
11. The study of how plants and animals interact with one anther and with the non-living environment is called as:
Ecology
Ecosystem
Sociology
Habitat
12. As per eating habit, squirrels are:
Carnivorous
Herbivorous
Frugivorous
Omnivorous
13. Chemicals used to kill weeds are called as:
Insecticides
Fungicides
None of these
Herbicides
14. IBM stands for
Interrelated Business Machines
International Business Machines
International Big Machines
None of these
15. Plants growing on other plants are called as:
Parasites
None of these
Saprophytes
Epiphytes
16. The structure of DNA was elaborated by Watson and Crick in:
1909
1945
1953
1923
17. Telephone was invented in 1876 in America by:
Galileo
Marconi
John Beard
Graham Bell
18. Computers can:
Add subtract and sort information only
Add and subtract information only
Add subtract sort and classify information
None of these
19. Water loss from leaves through stomata is called as:
Respiration
Evaporation
Transpiration
None of these
20. The number of bines in human body is:
200
204
206
202
