Vacuoles are bound by a definite membrane in plant cells called
(a) Plasma membrane
(b) Tonoplast
(c) Cell wall
(d) None of the above |
Answer: (b) |
| 2. |
Titan is the largest natural satellite of planet
(a) Mercury
(b) Venus
(c) Saturn
(d) Neptune |
Answer: (c) |
| 3. |
Thermometer is related to degree in the same way as clock is related to
(a) Wall
(b) Tower
(c) Hour
(d) Cock |
Answer: (c) |
| 4. |
There are rings around which of the following?
(a) Uranus
(b) Mars
(c) Jupiter
(d) Saturn |
Answer: (d) |
| 5. |
There are how many
strains of H & N proteins that cumulatively make up the HN breed
of flu virus (eg. being the presently famous H1N1 virus)
(a) 16 & 9 respectively
(b) 9 & 16 respectively
(c) 16 & 16 respectively
(d) 9 & 9 respectively |
Answer: (a) |
| 6. |
The wonder pigment chlorophyll is present in
(a) Mitochondria
(b) Centrosomes
(c) Quantosomes
(d) Lysosomes |
Answer: (c) |
| 7. |
The vestiges of hind limbs are present in
(a) Cobra
(b) Sea snake
(c) Krait
(d) Python |
Answer: (d) |
| 8. |
The use of which of
the following devices has given the modern biologist a better
insight into the internal structure of cells
(a) Computer
(b) Electron microscope
(c) Spectrophotometer
(d) Ultracentrifuge |
Answer: (b) |
| 9. |
The two diseases that most often kill AIDS victims are
1.Kaposi's sarcoma
2.Lymphangioma
3.Pneumocystis carinii pneumonia
4.Systemic Lupus erythromatosus
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 3 and 4 |
Answer: (c) |
| 10. |
The theory which advocates that living beings can arise only from other living beings is termed
(a) Bio-genesis
(b) Abiogenesis
(c) Catastrophism
(d) Cosmozoic |
Answer: (a) |
| 11. |
The theory that all
animals and plants are made up of cells and they could arise only
from pre-existing cells was propounded by
(a) Robert Hooke
(b) Matthias Schleiden and Theodore Schwann
(c) Purkinje
(d) Leuwenhoek |
Answer: (b) |
| 12. |
The theory of use and disuse was used to explain evolution by
(a) Lamarck
(b) Darwin
(c) De Vries
(d) Wallace |
Answer: (a) |
| 13. |
The terms Lubb and Dubb relate to which one of the following?
(a) Heart
(b) Eyes
(c) Teeth
(d) Lungs |
Answer: (a) |
| 14. |
The term 'epicentre' is associated with
(a) Earthquakes
(b) Tornadoes
(c) Cyclones
(d) Earth's interior |
Answer: (a) |
| 15. |
The speed of light with the rise in the temperature of the medium
(a) Increases
(b) Decreases
(c) Remains unaltered
(d) Drops sharply |
Answer: (c) |
| 16. |
The solenocytes of
Platyhelminthes, the nephridium of Annelids, and the kidneys of
Vertebrates all have a similar function of excretion by differ in
origin. They are said to be
(a) Analogous
(b) Homologous
(c) Adaptational
(d) Vestigeal |
Answer: (a) |
| 17. |
The solar eclipse occurs when
(a) the sun comes in between the moon and the earth
(b) the earth comes in the between the sun and the moon
(c) the moon comes in between the sun and the earth
(d) None of these |
Answer: (c) |
| 18. |
The smallest functional and structural unit of kidney is called as
(a) Neuron
(b) Nephron
(c) Granulocyte
(d) Reticulocyte |
Answer: (b) |
| 19. |
The removal of top soil by water or wind is called
(a) Soil wash
(b) Soil erosion
(c) Soil creep
(d) Silting of soil |
Answer: (b) |
| 20. |
The power of lens is - 2D. What is its focal length?
(a) 2m
(b) 0.5m
(c) 1.0m
(d) 0.5m |
Answer: (d) |
| 21. |
The Panda belongs to the same family as that of [UPSC 2009(CS-P)]
(a) Bear
(b) Cat
(c) Dog
(d) Rabbit |
Answer: (a) |
| 22. |
The oxide of Nitrogen used in medicine as anaesthetic is
(a) Nitrogen dioxide
(b) Nitric oxide
(c) Nitrous oxide
(d) Nitrogen pentoxide |
Answer: (d) |
| 23. |
The modern synthetic theory of organic evolution is a synthesis of theories proposed by
(a) Lamarck and Darwin
(b) Lamarck and De Vries
(c) Darwin and De Vries
(d) None of the above |
Answer: (c) |
| 24. |
The marine animal called dugong which is vulnerable to extinction is a/an [UPSC 2009(CS-P)]
(a) Amphibian
(b) Bony fish
(c) Shark
(d) Mammal |
Answer: (d) |
| 25. |
The leaf blight of paddy is caused by
(a) Bacteria
(b) Virus
(c) Nematodes
(d) Fungus |
Answer: (a) |
| 26. |
The intencity of Earthquakes is measured on
(a) Richter scale
(b) Secant scale
(c) Mercalli scale
(d) Beaufort scale |
Answer: (a) |
| 27. |
The injection of anti-toxin is given to prevent
(a) Tetanus
(b) Tuberculosis
(c) Typhoid
(d) Filariasis |
Answer: (a) |
| 28. |
The hardest substance available on earth is
(a) Platinum
(b) Diamond
(c) Quartz
(d) gold |
Answer: (a) |
| 29. |
The general direct flow of summer monsoon in India is________.
(a) From South to North
(b) From South West to South East
(c) From South East to South West
(d) From South West to North East |
Answer: (b) |
| 30. |
The gas predominantly responsible for global warning is
(a) Carbon dioxide
(b) Carbon monoxide
(c) Nitrous oxide
(d) Nitrogen peroxide |
Answer: (a) |
| 31. |
The dynamo is a device for converting
(a) Heat energy into electrical energy
(b) Mechanical energy into electrical energy
(c) Magnetic energy into electrical energy
(d) None of these |
Answer: (b) |
| 32. |
The disease diphtheria affects
(a) Lungs
(b) Intestine
(c) Throat
(d) Body joints |
Answer: (c) |
| 33. |
The concept of carbon credit originated from which one of the following?
(a) Earth Summit, Rio de Janeiro
(b) Kyoto Protocol
(c) Montreal Protocol
(d) G-8 Summit, Hciligendamm |
Answer: (b) |
| 34. |
The cell that lacks a nucleus is
(a) Flame cell
(b) Spermatozoan
(c) Red blood corpuscles in man
(d) White blood corpuscles |
Answer: (c) |
| 35. |
The blue colour of the clear sky is due to
(a) Diffraction of light
(b) Dispersion of light
(c) Reflection of light
(d) Refraction of light |
Answer: (b) |
| 36. |
The animal which uses sounds as its 'eyes' is
(a) Dog
(b) Cat
(c) Snake
(d) Bat |
Answer: (d) |
| 37. |
Thalassaemia is a hereditary disease affecting________.
(a) Blood
(b) Lungs
(c) Heart
(d) Kidney |
Answer: (a) |
| 38. |
Stem cuttings are commonly used for re-growing
(a) Cotton
(b) Banana
(c) Jute
(d) Sugar Cane |
Answer: (d) |
| 39. |
Stainless steel is an example of
(a) A metallic compound
(b) A homogeneous mixture
(c) A heterogeneous mixture
(d) An inorganic compound |
Answer: (a) |
| 40. |
Spontaneous generation signifying the development of living organisms from nonliving has been termed
(a) Biogenesis
(b) Abiogenesis
(c) Cosmozoic
(d) Catastrophism |
Answer: (b) |
| 41. |
Spinach leaves are rich source of
(a) Vitamin A
(b) Iron
(c) Carotene
(d) Vitamin E |
Answer: (b) |
| 42. |
Small pox is caused by
(a) Bacteria
(b) Fungus
(c) Virus
(d) Algae |
Answer: (c) |
| 43. |
Silk is produced by
(a) Egg of silkworm
(b) Pupa of silkworm
(c) Larva of silkworm
(d) Insect itself |
Answer: (c) |
| 44. |
Select the one which is not a mixture
(a) Air
(b) Gasoline
(c) LPG
(d) Distilled water |
Answer: (d) |
| 45. |
Researchers from
Columbia Initiative in Systems Biology recently discovered two genes,
C/EPB and Stat3, responsible for the most aggressive forms of human
_______.
(a) Hepatitis B
(b) AIDS
(c) Blood Cancer
(d) Brain cancer |
Answer: (d) |
| 46. |
Regarding the atom of a chemical element, the magnetic quantum number refers to
(a) orientation
(b) shape
(c) size
(d) spin |
Answer: (a) |
| 47. |
'Ratti' used by jewellers is obtained from seed of a
(a) Gymnospermous plant
(b) Angiospermous plant
(c) Algae
(d) Fungi |
Answer: (b) |
| 48. |
Polythene is industrially prepared by the polymerisation of________.
(a) Methane
(b) Styrene
(c) Acetylene
(d) Ethylene |
Answer: (d) |
| 49. |
Plant cells can usually be distinguished because only plant cells possess
(a) Cell walls and mitochondria
(b) Golgi bodies and central vacuoles
(c) Cell walls and central vacuoles
(d) Chromosomes and mitochondria |
Answer: (c) |
| 50. |
Persons with which blood group are called universal donors?
(a) AB
(b) A
(c) O
(d) B |
Answer: (c) |
its very well science trivia questions
ReplyDeleteits very well science questions
ReplyDelete