Match 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

Wildlife is destroyed most when

• there is lack of proper care

• mass scale hunting for foreign trade

• its natural habitat is destroyed

• natural calamity

Interacting populations are

• symbiotic

• mutualistic

• parasitic

• coevolved

In India highest amount of coal is present in :

• West Bengal

• Maharastra

• Jharkhand

• Assam

107.

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