The reasons to store seeds in a seed bank include all except:
1. To have available the genes that plant breeders need to increase yield, disease resistance, drought tolerance, nutritional quality, taste, etc. of crops.
2. To forestall loss of genetic diversity in rare plant species in an effort to conserve biodiversity ex-situ.
3. To preserve the historical and cultural value of plants not grown now.
4. To guard against biopiracy by limiting the use of seeds only in certain areas.

Subtopic:  Ex Situ Conservation of Biodiversity |
 55%
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Recalcitrant seeds are:
1. seeds that do not survive drying and freezing during ex-situ conservation
2. seeds that can resist the effects of drying or temperatures less than 10 °C
3. can be stored for long periods
4. terminator seeds

Subtopic:  Ex Situ Conservation of Biodiversity |
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Freezable specimens that can be preserved with cryopreservation include all except:

1.Semen2.Seeds
3.Early embryos4.Human heart

Subtopic:  Ex Situ Conservation of Biodiversity |
 69%
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Earth Summit 2012 was held in:

1.Rio2.Johannesberg
3.Paris4.Geneva

Subtopic:  Ex Situ Conservation of Biodiversity |
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Which of the following continents has the highest biodiversity?

1.South America2.Africa
3.Europe4.Asia

Subtopic:  Biodiversity Patterns |
 69%
From NCERT
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Which of the following is not a cause for the loss of biodiversity?
1. Destruction of habitat
2. Invasion by alien species
3. Keeping animals in zoological parks
4. Over-exploitation of natural resources

Subtopic:  Loss of Biodiversity |
 93%
From NCERT
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Which of the following is not an invasive alien species in the Indian context?

1.Lantana2.Cynodon
3.Parthenium4.Eichhornia

Subtopic:  Loss of Biodiversity |
 87%
From NCERT
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Where among the following will you find pitcher plants?

1. Rain forest of North-East India 2. Sunderbans
3. Thar desert 4. Western ghats
Subtopic:  Magnitude of Biodiversity |
 58%
From NCERT
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Which one of the following is not a major characteristic feature of biodiversity hotspots?
1. A large number of species
2. Abundance of endemic species
3. Mostly located in the tropics
4. Mostly located in the polar regions

Subtopic:  Biodiversity Patterns |
 82%
From NCERT
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Match the animals given in column I with their location in column II:

Column I

Column II

A.

Dodo

i.

Africa

B.

Quagga

ii.

Russia

C.

Thylacine

iii.

Mauritius

D.

Stellar’s sea cow

iv.

Australia

Choose the correct match from the following:

1. A-i B-iii C-ii D-iv
2. A-iv B-iii C-i D-ii
3. A-iii B-i C-ii D-iv
4. A-iii B-i C-iv D-ii

Subtopic:  Loss of Biodiversity |
 82%
From NCERT
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