Env Flashcards

1
Q

Using which two chemicals is food made in hydrothermal vents

A

Methane and hydrogen sulphide

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2
Q

Are micro algae eukaryotes or prokaryotes?

A

Eukaryotes

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3
Q

Are micro algae unicellular or multicellular?

A

Unicellular

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4
Q

Three examples of micro algae

A

Die atoms, dinoflagellates, and Cocolithophores

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5
Q

Arrange the three micro algae that you know in descending order of their size

A

Die atoms > dino> coco

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6
Q

What is the biggest biogenic source of silica

A

Die items

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7
Q

Who are calcifying phytoplankton?

A

Kohli force

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8
Q

Who are also known as zoo xanthellae

A

Dinofl

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9
Q

Who lives in symbiotic relationship with zooxant

A

Coral

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10
Q

Name three type of macro algae

A

Red brown green

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11
Q

Example of red algae

A

Gracilaria species and geridiela

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12
Q

Source of Agar

A

Gracileria species

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13
Q

Dxample
Of brown algae

A

Sargassum, kappapjycus alvarezi

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14
Q

Source of alginate

A

Sargassum

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15
Q

Which algae is grown in Tamil Nadu, but it has become a invasive species

A

Kappaphycus alvarezi

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16
Q

Example of green algae

A

Ulva

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17
Q

Source of ulvum

A

Ulva

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18
Q

Which algae is also called as sea lettuce?

A

Ulva

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19
Q

Which animal eats Alva?

A

Manatees

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20
Q

Which animal is known as sea cow?

A

Manatees

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21
Q

Which algae is a very good source of iron?

A

Ulva

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22
Q

Mention one of the fastest growing algae

A

Kelp

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23
Q

Who eats kelp

A

Sea urchins

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24
Q
A
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25
Which file is known to have Spinny skin?
Echinoderms
26
Who eats sea urchins
Otters
27
Mention three types of aquatic organisms
Planktons nektons benthos
28
Can plankton swim?
No
29
What are animal like plankton called?
Zoo plankton
30
Name two bacteria that can fix atmospheric nitrogen
Nostoc and Anabena
31
Whichcyano bacteria is important source of protein?
Arthrospira
32
Red Sea is red because of which bacteria?
Siano bacteria called Trichodesmium erithraem
33
Examples of zoo planktons
Jelly fish, foraminiferas, krills, copepods
34
Tell the chain of biological carbon pump
Co2 to Phytoplankton to zoo plankton to small fish to large fish, which dies to Ocean flour
35
Which farming is carbon negative farming?
Seaweed farming
36
Chain of sea grass
Sera to Dugong 2 Tiger shark
37
What are five types of popular interaction?
Mutualism, commensalism competition, antagonism amensalism
38
++
Mutualism
39
++ eg
Coral (provides shelter) and zoo xanth(provides food)
40
Mention two types of ++
Obligatory facultative
41
Which type of mutualism is necessary for survival?
Obligatory
42
Eg of obligatory
Their lives are protozoa in the gut of the termite, which helps in the digestion of deadwood
43
Facultative eg
Bees plants
44
Can virtual ism be obligatory or facultative for one or both of them?
Yes Of Oo Ff
45
Can zoo xanth live anywhere else if expelled by coral polyps?
Yes
46
Wg of Cnidaria phylum
Coral, jellyfish, sea anemones, hydra, sea pens, sea fans, Portuguese man o war
47
+o
Commensalism
48
Eg of +o
Cowdung(o) and beetles + Cattle egret sitting next to grazing cattle to Catch insects
49
- - eg
Competition Grass: grasshopper, deer, goat
50
+-
Antagonism
51
Eg of +-
Predator prey Parasite
52
Which fish is known to eat mosquito larvae
Gambusia
53
-o
Ammensalism
54
Eg of -o
Fungi (blue mold) on bread releases penicillin, which kills certain bacteria, though this chemical is harmful for blue mold
55
Which toxin does e coli produce?
Shiga toxin
56
Which bacteria is an important indicator of water pollution?
E coli (found in faecal matter)
57
Name any indicator species
Lichens , their absence, syndicate, air pollution
58
Canary in coal mines
Indicator species
59
Probiosis?
At least one of the organism benefits, and no one suffers, the loss includes mutualism and commensalism
60
Allelopathy
Phenomenon, where certain organisms release certain chemicals which have prohibitory effect on the others
61
Eg of allelopathy uses
Biological control of Best
62
Give biotic and biotic interaction under response to surrounding
To conform To regulate, To migrate To suspend
63
To conform?
Inner conditions in influenced by changes to outside
64
Eg of conforming
Ectotherms(cold blooded) Poikilotherms(fluctuating inner temperature)
65
Another name for animals, who have fluctuating innertemperature
Poikilotherms
66
To regulate?
Irrespective of the outside conditions, they are able to maintain constant internal conditions
67
Eg of regulating animals
Endotherms Homeotherms
68
To migrate
Escape in space
69
Eg of migration
Siberian cranes
70
Do cyber cranes still visit Rajasthan?
No, earlier used to visit KeolaDev
71
IUCN red list status of siberian cranes
Critically endangered
72
Where does eastern siberian crane migrate to?
China near three gorgeous dam
73
Serengity migration between which two countries
Kenya to Tanzania
74
To suspend?
To become inactive
75
Example examples of suspension
Hibernation that is winter, sleep like rats, bat, squirrels, bears, frog
76
What is summer sleep called?
Aestivation
77
Suspending growth
Diapause
78
Examples of animals who suspended growth
Monarch butterfly Queen bees Antarctic midge Arctic woolly bear moth
79
What is temporary hibernation called?
Torpor
80
What are the functions of ecosystem?
Energy flow and nutrient cycling
81
What are the losses from plants? Herbie wars in Carnival is called?
Respiration losses
82
What do plants reviewers and carnivores end up in energy flow?
That matter
83
Who is the final user of energy?
Decomposer
84
Examples of macro nutrients
Carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium, sulphur
85
Examples of micro nutrients
Zinc, manganese, nickel, molybdenum, boron, chlorine, copper iron
86
Do dinoflagellates needs silica?
No
87
Who gave the concept of food chain?
Elton
88
Explain food chain involving diatoms
Die atoms to crustaceans (crabs) to herring (silver, Darling) small fish
89
Food chain involving phytoplankton
Phytoplankton to zoo plankton to small fish to large fish
90
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