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Biology > Introduction > Flashcards

Introduction Flashcards

0
Q

Environmental biology

A

Study of organisms in relation with their environment. This includes interaction between the organisms and their inorganic and organic environment, especially as it relates to human activities

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1
Q

Molecular biology

A

Deals with the structure of organisms, the cells and their organelles at molecular level.

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2
Q

Microbiology

A

Study of microorganisms which include bacteria, viruses, Protozoa and microscopic algae and fungi.

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3
Q

Freshwater biology

A

Deals with organisms living in freshwater bodies i.e rivers, lakes, and the physical parameters of these water bodies

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4
Q

Marine biology

A

Study of life in seas and oceans. This incomes the study of marine life and the physical and chemical characteristics of the sea acting as factors for marine life.

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5
Q

Parasitology

A

Deals with study of parasites; their structure, mode of transmission, life history and host, parasite relationships.

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6
Q

Human biology

A

Study of man; including form and structure, function, histology, anatomy, morphology, evolution, genetics, cell biology and ecological studies etc of humans.

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7
Q

Social biology

A

Deals with study of social behavior and communal life of humans

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8
Q

Biotechnology

A

Deals with the use of living organisms, systems, or processes in manufacturing and service industries.

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9
Q

Percentage of oxygen in body mass

A

65%

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10
Q

Percentage of carbon in body mass

A

18%

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11
Q

Percentage of hydrogen in body mass

A

10%

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12
Q

Percentage of nitrogen in body mass

A

3%

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13
Q

Percentage of calcium in body mass

A

2%

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14
Q

Percentage of phosphorous in body mass

A

1%

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15
Q

Percentage of potassium in body mass

A

0.35%

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16
Q

Percentage of sulphur in body mass

A

0.25%

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17
Q

Percentage of chlorine in body mass

A

0.15%

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18
Q

Percentage of sodium in body mass

A

0.15%

19
Q

Percentage of magnesium in body mass

A

0.05%

20
Q

Percentage of iron in body mass

A

0.004%

21
Q

Trace bio elements in body mass

A

Copper
Manganese
Since
Iodine

22
Q

Biosphere

A

The part if the earth inhabited by living organisms- including both the living and no living components.

23
Q

Ecosystem

A

A community together with its nonliving surroundings.

24
Q

Community

A

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

25
Q

Population

A

Members if one species inhabiting the same area.

26
Q

Species

A

Very similar, potentially interbreeding organisms.

27
Q

Multicellular organism

A

An individual living thing composed of many cells.

28
Q

Organ system

A

Two or more different organs working together in the execution of a specific body function.

29
Q

Organ

A

A structure normally composed of several tissue types that form a functional unit.

30
Q

Tissue

A

A group of cells that perform a specific function.

31
Q

Cell

A

The unit of life.

32
Q

Organelle

A

A structure within a cell that performs a specific function

33
Q

Micro molecules and macro molecules

A

A combination of atoms

34
Q

Atom

A

The smallest particle if an element that retains the properties of that element.

35
Q

Subatomic particle

A

Particles that make up an atom

36
Q

Organic molecule

A

A molecule containing both carbon and hydrogen

37
Q

Inorganic molecule

A

Molecules which doesn’t donating hydrogen and oxygen.

38
Q

Biome

A

Large regional community primarily determined by climate

39
Q

Technique of vaccination was invented by…

A

…Edward Jenner in 1796

40
Q

Scientists in Scotland succeeded in clinging sheep in…

A

…1997

41
Q

Bioremediation

A

Removal or degradation of environmental pollutants or toxic materials.

42
Q

How man species are known to man?

A

25,00,000

43
Q

How many species are insects?

A

53.1%

44
Q

How many species are vascular plants?

A

17.6%

45
Q

How many species are animals other than insects?

A

19.9%

46
Q

How many species are fungi, Protozoa, algae and prokaryotes?

A

9.4%

Biology (4 decks)

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