1. When the full potential of
physical, chemical and biological factors, a species can use if there is no
competition, it is called
(A) Fundamental niche
(B) Ecological niche
(C) Realized niche
(D) Competitive exclusion
2. Which of the following
organisms can act as primary consumer, secondary consumer, tertiary consumer or
scavenger in different types of food chains?
(A) Raven
(B) Tiger
(C) Snake
(D) Phytoplanktones
3. The tendency of
biological systems to resist change and to remain in a state of equilibrium is
called
(A) Homeostatis
(B) Feedback mechanism
(C) Ecological
efficiency
(D) Carrying capacity
4. If different
categories of threatened species are written in a sequence, what is the correct
order?
(A) Extinct->
Vulnerable -> Rare -> Endangered
(B) Vulnerable ->
Rare -> Endangered -> Extinct
(C) Vulnerable ->
Rare -> Extinct -> Endangered
(D) Rare ->
Vulnerable -> Endangered -> Extinct
5. Which of the
following is not a type of ex situ conservation method?
(A) Botanical garden
(B) Zoological park
(C) Wildlife sanctuaries
(D) Gene banks
6. As a consequence of
succession the P/B ratio (Gross production /
Standing crop biomass)
is changed. It is
(A) High during
developmental stages and low at mature stage.
(B) Low during
developmental stages and high at mature stage.
(C) > 1 or < 1 at
developmental stages and approximately 1 at mature stage.
(D) Remaining unchanged
at all stages.
7. In which part of India , the tropical Western
Ghats are situated?
(A) Punjab
(B) Rajasthan
(C) Gujarat
(D) Kerala
8. Variety of different
species, genetic variability among individuals within each species and variety
of ecosystems constitute the so calledwww.netugc.com
(A) Species diversity
(B) Genetic diversity
(C) Biological diversity
(D) Ecological diversity
9. Depending upon the amount of net
primary productivity the various ecosystems can be arranged in a decreasing
sequence of yield.
(A) Tropical seasonal forest –
Tropical rain forest – Temperate Grassland – Woodland and Shrubland.
(B) Tropical seasonal forest –
Tropical rain forest – Woodland
and Shrubland – Temperate Grassland
(C) Tropical rain forest –
Temperate Grassland – Woodland
and Shrubland – Tropical seasonal forest.
(D) Tropical rain forest – Tropical
seasonal forest – Woodland
and Shrubland – Temperate Grassland.
10. Which of the following is a
correct sequence of secondary seral vegetation development on any habitat?
(A) Ecesis – Invasion – Aggregation
– Stabilization
(B) Ecesis – Aggregation – Invasion
– Stabilization
(C) Aggregation – Invasion –
Ecesis– Stabilization
(D) Invasion – Ecesis – Aggregation
– Stabilization
11. What is common
feature among the following?
Abiesdelavayi
Aconitum diennorrhzum
Adinandragriffthii
Aglaiaperviridis
(A) All have been
extinct.
(B) All are gymnosperms.
(C) All are identified
as endangered species.
(D) All are angiosperms.
12. Raunkiaer’s normal
biological spectrum for phanerogamic flora of the world exhibits one of the
following sequences of occurrence (%) of different life forms.
(A) Phanerophytes, Hemicryptophytes,
Therophytes, Cryptophytes, Chaemophytes.
(B) Phanerophytes,
Hemicryptophytes, Therophytes, Chaemophytes, Cryptophytes.
(C) Phanerophytes,
Hemicryptophytes, Cryptophytes, Chaemophytes, Therophytes.
(D) Phanerophytes,
Chaemophytes, Hemicryptophytes, Cryptophytes, Therophytes.
13. One of the following
categories of earthworms is most suitable for wasteland reclamation.
(A) Epigeic
(B) Anecic
(C) Endogeic
(D) None of the above
14. How many
mega-bio-diverse countries have been identified in the world?
(A) 2
(B) 12
(C) 17
(D) 35
15. Which one of the
following is an Exsitu method of biodiversity conservation?
(A) Seed storage
(B) DNA Bank
(C) Tissue culture
(D) All the above
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