Tuesday, December 7, 2021

Biology 1-50 MCQs

Biology



1. Tibia is a bone found in the _________?

a. Skull
b. Arm
c. Leg
d. Face




2. Which is the largest gland in the human body?

a. Thyroid
b. Liver
c. Pancreas
d. None of these




3. Water has maximum density at ________?

a. 0 degree C
b. 4 degree C
c. 4 degree K
d. 4.8 degree C




4. The scientific study of livings is called?

a. Anatomy
b. Biology
c. Geology
d. Zoology




5. The word "BIOLOGY" has been derived from _______ word?

a. Latin
b. English
c. Greek
d. French




6. According to modern system of taxonomy, living organisms have been classified into?

a. Three Kingdoms
b. Five Kingdoms
c. Two Kingdoms
d. Six Kingdoms




7. Kingdom Protoctista includes ________?

a. Fungi
b. Prokaryotes
c. Protists
d. Plantae




8. Kingdom Fungi includes _________?

a. A cellular, eukaryotic organisms
b. Non-chlorophylls, multicellular eukaryotic organisms
c. Non-chlorophylls, multicellular, thallophytic organisms
d. Both B and C




9. Earthworm is included in _________?

a. Kingdom Plantae
b. Kingdom Protoctista
c. Kingdom Monera
d. Kingdom Animalia




10. The study of organisms inhabiting the sea and ocean and the physical and chemical characteristics of their environment is:

a. Social Biology
b. Marine Biology
c. Environmental Biology
d. Fresh Water Biology




11. The branch of Biology which deals with the use of data and techniques of engineering & technology concerning living organisms is:

a. Human Biology
b. Environmental Biology
c. Genetics
d. Bio-technology




12. The branch in which organism's life cycle, mode of transmission and interaction with their hosts are studied is:

a. Anatomy
b. Physiology
c. Parasitology
d. Social Biology




13. The molecules of living matter that provide building blocks are mostly based on:

a. Carbon
b. Nitrogen
c. Hydrogen
d. Ammonia




14. Human blood is an example of ________?

a. Organelle
b. Tissues
c. Organic compound
d. Inorganic compound




15. With different chemical arrangements and formation of complex molecules, the life emerges on the level of the?

a. Cells
b. Tissues
c. Organs
d. Organ System




16. Organelles are ________?

a. Unicellular structures
b. Multicellular structures
c. Sub-cellular structures
d. Non-cellular structures




17. Functional unit of DNA is _________?

a. Nucleus
b. Genes
c. Chromosomes
d. Nucleolus




18. Various tissue types combine to make up _______?

a. Cells
b. Organs
c. Organ System
d. Organelles




19. Two or more populations of different species living and interacting in the same area from:

a. Biosphere
b. Community
c. Population System
d. Ecosystem
e. Species




20. A group of similar cells that perform a specific function is:

a. Organ
b. Tissues
c. Organelle
d. Organ System




21. Which of the following is an example of "molecule"?

a. Chloroplast
b. A Nerve Cell
c. DNA
d. Hydrogen




22. A group of very similar interbreeding organisms constitutes?

a. Biosphere
b. Ecosystem
c. Population
d. Species




23. Members of one species inhabiting the same are form ________?

a. Species
b. Community
c. Ecosystem
d. Population




24. On the basis of collected facts and figures, a scientist formulates a factitive statement called:

a. Observation
b. Research work
c. Hypothesis
d. Inductive Reasoning




25. Robert Hook discovered ________?

a. Nucleus
b. Mitochondria
c. Cell
d. DNA




26. Steps involved in scientific method are?

a. Hypothesis->Accumulated data->Observation & Experimentation->
b. New data->Conclusion->Accumulated data->Observation & Experimentation
c. Accumulated data->New data->Observation & Experimentation->Hypothesis->Conclusion
d. Accumulated data->Hypothesis->Observation & Experimentation->New data->Conclusion




27. Malaria is associated with ________?

a. Culex Mosquito
b. Culiesta Mosquito
c. Anopheles Mosquito
d. Culex & Anopheles Mosquito




28. Biologist 'Grass' discovered the life cycle of plasmodium in _______ year?

a. 1896
b. 1897
c. 1898
d. 1899




29. The first antibiotic to be discovered was ________?

a. Penicillin
b. Cephalosporin
c. Amino glycosides
d. Erythromycin




30. Immunization by vaccination was first introduced by?

a. Fleming in 1945
b. Florey & Chain in 1975
c. Flore & Chain in 1795
d. Edward Jenner in 1795




31. The Science of growing terrestrial plants in an aerated solution is ________?

a. Hydrodynamics
b. Hydroponics
c. Hydro tonics
d. None of them




32. An educated guess is called:

a. Accumulated Data
b. Observation
c. Hypothesis
d. Conclusion




33. Dolly, the sheep was a highly successful clone form a somatic cell, reported back in ________?

a. 1993
b. 1994
c. 1995
d. 1996




34. Crop rotation helps in ________?
a. Growth of pathogens
b. Soil infertility
c. Slowing of crops growth
d. Eradication of disease




35. People living in high altitudes (like mountains) usually have a ________?

a. Smaller number of Red Blood Cells
b. Larger number of Red Blood Cells
c. Smaller number of White Blood Cells
d. Larger number of White Blood Cells




36. Which character differentiates living things from non-living organisms?

a. They live in the same ecosystem.
b. They are highly organized and complex made of one or more cells and contain genetic material
c. They are acted upon by the same environment
d. Both a & b




37. Which Vitamin is needed for the formation of a light-sensitive pigment in the retina.

a. Vitamin A
b. Vitamin C
c. Vitamin D
d. B Complex




38. The average internal temperature of human body is ________?

a. 35 degree C
b. 36 degree C
c. 37 degree C
d. 38 degree C




39. The study of fossils is called?

a. Environmental Biology
b. Historical Biology
c. Paleontology
d. Social Biology




40. About _______ of the body weight of a mammal is water?

a. 60%
b. 65%
c. 70%
d. 75%




41. The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by?

a. Molecular biologists
b. Microbiologists
c. Freshwater biologists
d. Social biologists




42. On wound _________ fight foreign particles, like bacteria?

a. White Blood Cells
b. Red Blood Cells
c. Platelets
d Plasma




43. Synthetic insulin from pork was formed by which technique?

a. Biotechnology
b. Social biological technique
c. Parasitology
d. Both a and c




44. Blood is carried towards the heart by ________?

a. Arteries
b. Capillaries
c. Veins
d. None of these




45. The branch of biology which deals with the study of social behavior and communal life of human beings living in any environment is called?

a. Environmental biology
b. Social biology
c. Human biology
d. Both b and c




46. ________ is essential for the formation of hemoglobin.

a. Calcium
b. Iron
c. Water
d. Carbohydrates




47. Out of 92 naturally occurring chemical elements how many are considered as bio-elements?

a. 6
b. 16
c. 26
d. 15




48. _______ are needed as a source of energy for the vital activities of the body?

a. Calcium
b. Iron
c. Water
d. Carbohydrates




49. Oxygen accounts for ________% of totals human body mass?

a. 65%
b. 18%
c. 10%
d. 3%




50. The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:

a. An organ
b. A molecule
c. Tissue
d. Both a and c

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