- 1. uses biological systems, organisms or their components for technological applications.
- 2. is defined simply as any biology-based technology which uses organisms or their parts to make or modify products, or improve plants, animals and microorganisms.
- 3. •
Propagating a plant to produce exact copy is called
- 4. are unprogrammed cells in the human body which have the ability to change into 220 types of cells. Stem cells are thus described as pluripotent
- 5. •
BIOLOGICAL MOLECULES
are large molecules made up of one or more chains of amino acids.
A) Lipids
B) Carbohydrates
C) Nucleic acids
D) Proteins
- 6. •
BIOLOGICAL MOLECULES
can be deoxyribonucleic acids (DNA) or ribonucleic acids (RNA).
A) Lipids
B) Proteins
C) Carbohydrates
D) Nucleic acids
- 7. •
BIOLOGICAL MOLECULES
are represented by the sugars and their long chains.
A) Proteins
B) Lipids
C) Nucleic acids
D) Carbohydrates
- 8. •
BIOLOGICAL MOLECULES
are water-insoluble organic biomolecules whose important biological functions
A) Nucleic acids
B) Carbohydrates
C) Proteins
D) Lipids
- 9. consists of two strands (string), each string having chemical components called bases joined together by a sugar phosphate backbone. The two strands run in opposite direction.
- 10. •
The information for a trait (like the color or the pigment of your eyes) is encoded in the molecule called ____
- 11. deoxyribonucleic acid and is called a _____
- 12. •
In a cell, the information for a gene, is expressed into a_______through
- 13. messenger molecule called messenger ribonucleic acid or ____, We call protein the primary gene product.
- 14. •
BIOLOGICAL MOLECULES
are large molecules made up of one or more chains of amino acids.
A) Proteins
B) Nucleic acids
C) Lipids
D) Carbohydrates
- 15. •
BIOLOGICAL MOLECULES
can be deoxyribonucleic acids (DNA) or ribonucleic acids (RNA).
A) Nucleic acids
B) Proteins
C) Carbohydrates
D) Lipids
- 16. •
BIOLOGICAL MOLECULES
are represented by the sugars and their long chains.
A) Lipids
B) Proteins
C) Carbohydrates
D) Nucleic acids
- 17. •
BIOLOGICAL MOLECULES
are water-insoluble organic biomolecules whose important biological functions
A) Lipids
B) Proteins
C) Carbohydrates
D) Nucleic acids
- 18. •
A _____ consists of two strands (string), each string having chemical components called bases joined together by a sugar phosphate backbone.
- 19. •
TOOLS OF RECOMBINANT DNA TECHNOLOGY
cut DNA at or near specific nucleotide sequences.
A) DNA polymerase
B) Polymerase chain reaction
C) Electrophoresis
D) Restriction enzymes or restriction endonucleases
E) DNA ligase
- 20. •
TOOLS OF RECOMBINANT DNA TECHNOLOGY
joins fragments of DNA.
A) DNA ligase
B) Restriction enzymes or restriction endonucleases
C) DNA polymerase
D) Polymerase chain reaction
E) Electrophoresis
- 21. •
TOOLS OF RECOMBINANT DNA TECHNOLOGY
catalyses the synthesis of DNA, RNA polymerase catalyses the synthesis of VNH
A) Electrophoresis
B) Restriction enzymes or restriction endonucleases
C) DNA ligase
D) DNA polymerase
E) Polymerase chain reaction
- 22. •
TOOLS OF RECOMBINANT DNA TECHNOLOGY
separates charged molecules based on charge (neutral, positive and negative) and size.
A) Polymerase chain reaction
B) DNA polymerase
C) Electrophoresis
D) Restriction enzymes or restriction endonucleases
E) DNA ligase
- 23. •
TOOLS OF RECOMBINANT DNA TECHNOLOGY
is a technology which allows the amplification of parts of DNA by in vitro replication
A) Electrophoresis
B) DNA polymerase
C) Restriction enzymes or restriction endonucleases
D) DNA ligase
E) Polymerase chain reaction
- 24. also known as ART has given hopes to millions of couples suffering from infertility
- 25. _____ is a form of assisted reproductive technology (ART). This means special medical techniques are used to help a woman become pregnant. It is most often tried when other, less expensive fertility techniques have failed.
- 26. Which of the following is NOT a reason why biodiversity important?
A) none of the above
B) biodiversity loss would decrease water quality
C) biodiversity endures food security by supplying a wide variety of plant and animals' species for nutrients
D) there are too many animal species on the world
- 27. It is the term used for an organism created through genetic engineering
A) GMO
B) GMA
C) NGO
D) none of the above
- 28. genetically modified plants that resist certain pests.
A) virus resistance
B) none of the above
C) herbicide tolerance
D) pest resistance
- 29. what is the most popular Genetically Modified Organism crop cultivated?
A) corn
B) rice
C) soybean
D) none of the above
- 30. GMOs increase crop yield. What does this lead to?
A) to malnutrition
B) none of the above
C) the death of more crops
D) a greater availability to food
- 31. it is a bacterium found in soils throughout the world
A) AZOTOBACTER
B) BACILLUS THURINGIENSIS
C) FUNGI
D) None of the above
- 32. it is the process of using recombinant DNA technology, genetic makeup of an organism
A) cosmetic preservation
B) herbicide tolerance
C) fortification
D) none of the above
- 33. he is credited with one of the first uses of the term "genetic engineering" and often called the Dean of Science Fiction
A) Jack Williamson
B) Jack Makita
C) none of the above
D) Jack Smith
- 34. GMOs in flower production are seen in modified color and extended vase life of flowers
A) FALSE
B) TRUE
- 35. Genetic engineering is playing a significant role from diagnosis to treatment of human-dreaded diseases. it helps in production of drugs, gene therapy, and laboratory arches
A) FALSE
B) TRUE
- 36. Which is not a factor contributing to the uses of biodiversity?
A) over-exploitation of species
B) Urbanization
C) Climate change
D) The planting of trees
- 37. biodiversity is a short term for _______
A) none of the above
B) biological diverse
C) biological diversity
D) biological diversified
- 38. environments always have both living and _____
A) non living factors
B) nutrients
C) bio-geochemical cycles
D) ecosystem
- 39. the ocean is the ___ ecosystem in the world
A) largest
B) none of the above
C) smallest
D) longest
- 40. biodiversity is the variety of ____ in a given areas
A) communities
B) species shortest
C) organisms
D) genes
- 41. biodiversity is the ____ variation within a population
A) specie
B) individual
C) characteristics
D) genetic
- 42. biodiversity is the variety of ____ in a community
A) population
B) community
C) genes
D) species
- 43. which of the following is not a level of biodiversity
A) specie
B) ecosystem
C) population
D) genetic
- 44. some people believethat we should present for ethical reasons
A) false
B) true
- 45. what are the reason farmers cultivating corns
A) save management time
B) increase yields
C) all of the above
D) decrease pesticide input costs
- 46. refers to the average weather conditions of a place over a long period of time. The earth has six main climate zones.
A) weather
B) climate
- 47. on the other hand, refers to the day-today conditions of earth’s atmosphere at a particular place and time.
A) weather
B) climate
- 48. •
If the greenhouse gases didn’t absorb and reemit heat, we wouldn’t be able to live on earth. This phenomenon is called the ___________________
- 49. •
__________ is the percent of incident sunlight that is reflected. Earth’s albedo affects how much sunlight is reflected back to space, rather than absorbed at the surface. Changes in the albedo of our planet can lead to global heating.
- 50. •
Since the mid-1800s, the concentration of atmospheric CO2 has risen from 280 parts per million (ppm) to more than 400 ppm. The result is global climate change, a trend toward rising temperature and shifts in climate patterns worldwide. A process known as ___________.
- 51. •
In the 1980s, compounds called ____________, or CFCs, were the main ozone destroyers.
- 52. •
_________________, the concentrations of CFCs in the atmosphere are no longer rising dramatically
- 53.
When conditions are too acidic corals cannot absorb the calcium carbonate, they need to maintain their skeletons and they dissolve. This is known as _________________
- 54.
________________ – carbon dioxide reacts with ocean water to produce acid (H2O + CO2 → H2CO3 (carbonic acid)) lowering the pH of the ocean (making it more acidic).
- 55. 3.2mm each year – due to melting ice sheets and thermal expansion of water
A) Sea level rise
B) Glacier retreat
C) Ice sheet mass
- 56. Greenland and Antarctic ice sheets decreasing by 413 gig tonnes each year. Arctic ice - decreasing by 13% each decade
A) Ice sheet mass
B) Glacier retreat
C) Sea level rise
- 57. glaciers are retreating around the world particularly in the Alps, Himalayas, Andes, Rockies, Alaska and Africa
A) Sea level rise
B) Glacier retreat
C) Ice sheet mass
- 58. is heat energy from the Earth generated by the decay of radioactive elements and residual heat from the Earth’s formation 4.5 billion years ago.
- 59. are fuels produced from biomass either directly from plants or indirectly from agricultural, commercial, domestic and/or industrial waste.
- 60. is an alcohol made by fermentation of crops such as corn, sugarcane and sweet sorghum. It is used as a petrol additive to increase octane and lower carbon emissions or can be used directly as a fuel.
- 61. is an oil-based biofuel produced from vegetable fats such as rapeseed, sunflower seed, soya bean and palm oil.
- 62. is generated directly from sunlight (photons). Solar thermal panels are filled with water which heats up in the sunlight.
- 63. are built to harness wind energy (kinetic energy)When the wind blows the blades move and spin a turbine connected to a generator which produces electricity
- 64. harnesses kinetic energy from running water.
- 65. are energy resources that can be used instead of nonrenewable resources or fossil fuels. They produce energy without the consequence of the burning of fossil fuels (coal, oil, natural gas) to provide electricity, heat, and run cars.
A) •Alternative Energy Resources
B) •Renewable Energy Resource
- 66. is an essentially inexhaustible energy resource on a human time scale.
A) •Alternative Energy Resources
B) •Renewable Energy Resource
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