Multiple Choice QuestionsMatch the following columns and choose the correct option from the codes given below.
| Column I (Terminology related to corals) | Column II (Explanation) |
| A. Corallite | 1. Main constitutent of coral reef |
| B. Corallium | 2. Central irregular skeleton mass of ridge |
| C. Hexacoralliaons | 3. Skeleton of mass solitary coral |
| D. Columella | 4. Skeleton of colonical coral |
A - 1; B - 3; C - 2; D - 4
A - 2; B - 1; C - 4; D - 3
A - 3; B - 4; C - 1; D - 2
A - 4; B - 2; C - 3; D - 1
Man And Biosphere programme (MAB) was launched by UNESCO in 1971. Which of the following is not an objective of this programme?
To provide opportunities for education and training
To promote international cooperation
To provide long term in situ conservation of genetic diversity
To provide protection to wild animals fauna
If the decomposers become extinct, the most severally affected would be
biomagnification
damage to nitrogen fixation
non-cycling of minerals
carnivores will be starved
C.
non-cycling of minerals
Decomposers are heterotrophic organisms, mostly bacteria and fungi, which live on dead organic matter or detritus. They release different enzymes from their bodies into the dead and decaying plant and animal remains, lead to the release of simple inorganic substances thus, play an important role in the cycling of minerals.
Wildlife is destroyed most when
there is lack of proper care
mass scale hunting for foreign trade
its natural habitat is destroyed
natural calamity
Find the wrongly matched pair
Endemism - species confined to one region and not found anywhere else
Hot spots - regions with species richness
Alien species to India - Clarias gariepinus
Lungs of the planet - Amazon Rain Forest
Lungs of the planet - Amazon Rain Forest
Which one among these is NOT an ex-situ conservation strategy?
Seed banks
Botanical gardens
Cryopreservation
Biosphere reserves
Biosphere reserves
Read the statements regarding a stable community and choose the correct option
(1) must be resistant to occasional disturbances
(2) should show much variation in productivity from year to year
(3) must be resistant to invasions by alien species
(1) and (2) are correct
(1), (2) and (3) are correct
(1) only is correct
(2) and (3) are correct
(2) and (3) are correct
Find the wrongly matched pair
Endemism - species confined to a region and not found anywhere else
Hot spots - Western ghats
Sacred groves - Jaintia hills of Rajasthan
ex situ conservation - Zoological parks
ex situ conservation - Zoological parks
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