1. A flowering plant
and the animal that pollinates it are examples of:
a.
Parasitism
b. Mutualism
c.
Interspecific
competition
d.
Commensalism
.jpg)
2. Animals which can
tolerate only a narrow range of salinity are said to be:
a.
Euryhaline
b. Stenohaline
c.
Catadromous
d.
Anadromous
3. Antagonistic
interaction includes:
a.
Scavenging
b.
Competition
c.
Amensalism
d. Both
(B) and (C)
4. The most successful
parasite is the one that:
a.
has a life cycle
involving only one host
b.
is permanently
attached to the host
c.
is highly specialized
d. makes
minimum demands on the host
5. Lichens are
described as indicators of:
a. Air
pollution
b.
Water pollution
c.
Xerophytic succession
d.
Mesophytic succession
6. In commensalism:
a.
One of the partners is
benefitted at the cost of the second partner
b.
Both the partners are
reciprocally benefitted
c. One
partner is benefitted and the other one is not at loss
d.
No partner is
benefitted by the association
7. Lichens do not
normally grow in cities:
a.
Because of absence of
the right type of algae and fungi
b.
Because of lack of
moisture
c. Because
of air pollution
d.
Because natural
habitat is missing
8. Primary productivity
of ecosystem refers to:
a.
increase in primary
consumers
b.
net production of
primary producers
c. CO2 fixation of
organic carbon
d.
increase in mortality
of primary producers
9. The individuals in
the uppermost ring pyramid represent the one with:
a.
maximum number
b.
maximum biomass
c. the
ultimate consumer in the chain
d.
minimum biomass
10. Which of the
following is a temporary parasite?
a. Glochidium
larva
b.
Tapeworm
c.
Entamoeba histolytica
d.
Entamoeba gingivalis
11. An association of a
small fish Fierasfer inhabiting in the cloaca of sea cucumber is an example of:
a.
Amensalism
b.
Parasitism
c.
Mutualism
d. Commensalism
12. The animals which
preys the other living species is known as:
a. Predator
b.
Cannibalistic
c.
primary consumer
d.
parasite
13. An association of
different interrelated populations belonging to different species in common
environment which can survive in nature is called:
a. Biotic
community
b.
Population
c.
Herd
d.
Family
14. A direct food
relation between two species of animals in which one animal kills and feed on
another is referred to as:
a. Predation
b.
Parasitism
c.
Symbiosis
d.
Scavenging
15. An association of
two species where one is benefitted and other remains unaffected or unharmed,
it is called:
a.
Symbiosis
b.
Parasitism
c.
Predation
d. Commensalism
16. An association of
two species of organisms in which both the partners derive benefit from each
other is called:
a. Mutualism
b.
Commensalism
c.
Competition
d.
Parasitism
17. An association
between a sea anemone Adamsia, and a hermit crab living in a gastropod shell
is:
a.
Protocooperation
b. Commensalism
c.
Mutualism
d.
Amensalism
18. The ecological niche
of an organism denotes:
a.
habitat of the organism
b.
on whom the organism
feeds
c. the
status of an organism within a particular community
d.
All of the above
19. The transition zone
where two different types of communities meet is called:
a.
Ecotype
b.
Ecoline
c. ecotone
d.
ecosystem
20. Mimicry is a device
for:
a.
concealing from
predator
b.
concealing from prey
c. both
(A) and (B)
d.
becoming conspicuous
No comments:
Post a Comment