Physics/Aptitude Mcq Questions Biology Diagnostic Test Sample Test,Sample questions

Question:
?-particle ionizes an atom

1.through direct collision

2.through electrostatic attraction

3.through electrostatic repulsion

4.all of above


Question:
?-particle ionizes an atom

1.due to electrostatic force of attraction

2.due to electrostatic force of repulsion

3.due to direct collision

4.due to gravitational force


Question:
?-particles possess greater penetration power than that of ?-particles due to its

1.smaller ionization power

2.greater ionization power

3.neither greater nor smaller ionization power

4.same ionization power


Question:
?-rays are electromagnetic waves like

1.light waves

2.heat waves

3.micro waves

4.x-rays


Question:
A ?-particle can produce fluorescence in

1.ZnS

2.barium platinocyanide

3.calcium tungstate

4.all of above


Question:
A ?-particle in a single encounter

1.loses a small fraction of its energy

2.losses most of its energy

3.loses no energy at all

4.loses all of its energy


Question:
A device for producing high velocity nuclei is

1.cloud chamber

2.linear accelerator

3.a mass spectrograph

4.Wilson cloud chamber


Question:
Adult birds normally possess only one functional

1.Ureter

2.Ovary

3.Lung

4.Testis


Question:
Amphoixus is a

1.Chordate

2.Protochordate

3.Lower chordate

4.All of these


Question:
An enzyme which converts a dipeptide into separate amino acids is an example of

1.Decarboxylase

2.Hydrolase

3.Oxidoreductase

4.Transferase


Question:
Average distance covered by ?-particle in air before its ionizing power ceases is called its

1.trajectory

2.range

3.firing level

4.limit


Question:
Cellular digestion is associated with which organelle

1.Mitochondria

2.Golgi bodies

3.Plastids

4.Lysosomes


Question:
CFC is used in

1.refrigeration

2.aerosol spray

3.plastic foam industry

4.all of above


Question:
Charge on ?-particle is

1.1

2.-1

3.plus two

4.-2


Question:
Charge on ?-particles is

1.plus one

2.plus two

3.minus two

4.minus one


Question:
Double fertilization occurs in

1.All plants

2.All seed plants

3.Gymnosperms

4.Angiosperms


Question:
Following possess bilateral symmetry as larva and radial symmetry as adult:

1.Chordata

2.Hydra

3.Echinodermata

4.Hemichordata


Question:
Geiger counter is suitable for

1.fast counting

2.extremely fast counting

3.slow counting

4.all situations


Question:
Locomotory structures are not found in which of the following group

1.Amoebas

2.Zooflagellates

3.Ciliates

4.Apicomplexans


Question:
Maximum number of species of living things on earth are

1.Algae

2.Fungi

3.Insects

4.Protozoa


Question:
Membranes of the grane are sites where

1.Oxygen is stored

2.Food is stored

3.Sunlight is trapped

4.CO2 is stored.


Question:
Mycoplasmas have been included in bacteria because

1.Do not have a cell wall

2.Are heterotrophic

3.Lack membrane bounded organelles

4.Reproduce by binary fission


Question:
One celled green ptotists are included in

1.Monera

2.Algae

3.Slime molds

4.Plants


Question:
Pair production can take place only with

1.X-rays

2.?-rays

3.UV-rays

4.IR-rays


Question:
Pair production cannot take place in vacuum as

1.mass is not conserved

2.energy is not conserved

3.momentum is not conserved

4.charge is not conserved


Question:
Pair production cannot take place in vacuum as ________ is not conserved

1.energy

2.charge

3.mass

4.momentum


Question:
Pick the odd one out

1.Psilophyton

2.Rhynia

3.Cooksonia

4.Psilotum


Question:
Primary structure of proteins determines

1.Number of polypeptide chains involved

2.Bending of polypeptide chains

3.Amino acid sequence

4.Coiling of polypeptide chains


Question:
Protein coasts of viruses are synthesized in

1.Lytic cycle

2.Lysogenic cycle

3.Both a & b

4.All of these


Question:
Radiations are used for the treatment of skin of a patient is

1.?-rays

2.?-rays

3.?-rays

4.X-rays


Question:
Strontium-90 is used as

1.?-particle source

2.?-particle source

3.?-rays source

4.neutron source


Question:
T.V sets and microwave ovens emits

1.X-rays

2.?-rays

3.?-rays

4.?-rays


Question:
The cell wall of oomycetes is chiefly composed of

1.Chitin

2.Cellulose

3.Lignin

4.Proteins


Question:
The maximum safe limit dose for persons working in nuclear power station are

1.1 rem per week

2.5 rem per week

3.4 rem per week

4.3 rem per week


Question:
The mechanism of stomatal movement is related to the branch of Biology called

1.Taxonomy

2.Physiology

3.Morphology

4.Anatomy


Question:
The most useful tracer is

1.Sr-90

2.I-131

3.CA-41

4.C-14


Question:
The one which can tolerate highest external osmotic pressure

1.Algae

2.Amoeba

3.Fungi

4.Bacteria


Question:
The one which is incorrect pair

1.Sori - Indusium

2.Arthrophytes - Jointed

3.Dichotomous - Vernation

4.Lycopods - Ground pries


Question:
The one which is not a globular protein

1.Anti Rh-antibody

2.Enzyme

3.Myosin

4.Haemoglobin


Question:
The one which is present in all living things

1.Cell nucleus

2.DNA or RNA

3.Cell membrane

4.Vacuole


Question:
The penetration power of ?-particle as compared to ?-particle is

1.10 times more

2.100 times more

3.100 times less

4.10 times less


Question:
The simplest of oxygen producting photosynthetic organisms are

1.Algae

2.Bacteria

3.Cyanobacteria

4.Chlamydomonas


Question:
The unicellular organisms ingest large molecules into their cytoplasm from the external environment without previously digesting them. This process is called

1.Diffusion

2.Osmosis

3.Phagocytosis

4.Plasmolysis


Question:
Variety among amino acids is produced due to

1.NH2 group

2.COOH group

3.R group

4.All of these


Question:
Which of the following are triploblastic and acoelomate?

1.Sponges

2.Annelida

3.Platyhelminthes

4.Aves


Question:
Which of the following occurs in anaerobic respiration but not in aerobic respiration?

1.Release of CO2

2.Reduction of NAD

3.Formation of ATP

4.Production of ethanol from acetaldehyde


Question:
Which of the following will be a better shield against ?-rays?

1.ordinary water

2.heavy water

3.lead

4.aluminum


Question:
Which one of the following possesses greater penetration power ?

1.?-rays

2.?-rays

3.?-rays

4.neutron-rays


Question:
Why ?-rays are used to kill bacteria to sterilize surgical equipments etc?

1.chargeless

2.massless

3.highly penetrating

4.all of above


Question:
Yeasts reproduce asexually by forming

1.Asci

2.Basidia

3.Both a & b

4.Buds


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  3. Number system mcq for competitive exams
  4. Number series mcq for competitive exams
  5. Average mcq for competitive exams
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  10. Aptitude Time and Distance Formulae Set 1
  11. Aptitude Time and Distance Formulae Set 2
  12. Aptitude Time and Distance Formulae Set 3
  13. Aptitude Questions Time and Work Set 1
  14. Aptitude Questions Time and Work Set 2
  15. Aptitude Questions Time and Work Set 3
  16. Aptitude Ratio and Proportion Set 1
  17. Teaching Aptitude Mcq Question Set 1
  18. Teaching Aptitude Mcq Question Set 2
  19. Aptitude Ratio and Proportion Set 2
  20. Teaching Aptitude Mcq Question Set 3
  21. Aptitude Ratio and Proportion Set 3
  22. Aptitude Simple Interest Set 1
  23. Aptitude Simple Interest Set 2
  24. Aptitude Averages Mcq Set 1
  25. Aptitude Averages Mcq Set 2
  26. Aptitude Pipes and Cisterns Mcq set 1
  27. Aptitude Compound Interest Set 1
  28. Aptitude Compound Interest Set 2
  29. Aptitude Profit and Loss Set 1
  30. Partnership Aptitude Questions
  31. Aptitude Races and Games
  32. Aptitude Mixtures and Allegations
  33. Aptitude Simple Equations
  34. Aptitude Indices and Surds Mcq
  35. Aptitude Permutations and Combinations Mcq
  36. Aptitude Simplification and Approximation Mcq Set 1
  37. Aptitude Simplification and Approximation Mcq Set 2
  38. Aptitude Problems on Trains
  39. Aptitude Boats and Streams Set 1
  40. Aptitude Boats and Streams Set 2
  41. Aptitude Areas Mcq Set 1
  42. Aptitude Areas Mcq Set 2
  43. Aptitude Areas Mcq Set 3
  44. Aptitude Problems on L.C.M and H.C.F Set 1
  45. Aptitude Problems on L.C.M and H.C.F Set 2
  46. Aptitude Problems on Numbers Set 1
  47. Aptitude Volumes Mcq
  48. Aptitude Odd Man Out
  49. Aptitude Percentages Mcq
  50. Aptitude Quadratic Equations
  51. Aptitude Mensuration
  52. Aptitude Probability
  53. Aptitude Mcq Questions Set 1
  54. Aptitude Mcq Questions Set 2
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