1.
Which of the following is/are NOT correct
regarding natality
A.
Natality
rate is expressed as the number of individuals produced per female per unit
time
B.
Natality
refers to the birth of individuals in a population.
C.
Ecological
natality is a constant for a given population
D.
Maximum
natality is the theoretical maximum number of individual produced under ideal
environmental condition
A.
A
and B
B.
B
and C
C.
D
only
D.
C
only
2.
Which of the following is/are NOT correct
regarding population density
A.
Density
is expressed as the total number of individuals per unit area or volume per the unit area at a given time
B.
Crude
density is expressed per unit of a habitat space
C.
Specific
density expressed per unit total space
D.
Mark-recapture the technique is a common method to find out population density.
A.
A
only
B.
B
and C
C.
C
and D
D.
A,
B, C and D
3.
A
cohort is a group of individuals all of whom have the
A.
Same
sex
B.
Same
niche
C.
Same
age
D.
None
of the above
4.
The place where an organism lives is known as
A.
Niche
B.
Habitat
C.
Ecosystem
D.
Habit
5.
Multi-dimensional
Niche concept was developed by
A.
Hutchinson
B.
Odum
C.
Grinell
D.
Tilman
6.
Which
of the following is/are NOT correct regarding ecological niches
i.
Fundamental
niche is smaller than the realised niche
ii.
Ecological
equivalents are the species, that use similar niches in different habitats
iii.
Guilds
are a group of species with comparable role and niche dimensions within a
community
iv.
Realized
niche is smaller than fundamental niche
A.
i,
ii and iv
B.
iv
and iii
C.
i
only
D.
all
the above
7.
which
of the following is a correct statement
P.
The
sharing of niche space by two or more species is called niche overlap
Q.
Niche
overlap gives an idea about the similarity in resource utilization of two
species
R.
The
degree and type of niche overlap can be used to study interspecific competition
S.
The
range niche space occupied by a species is called niche width
A.
P
and Q
B.
Q
and R
C.
S
and P
D.
All
the above
8.
The
term ecotype is coined by
A.
Turesson
B.
Odum
C.
John
ray
D.
Huxley
9.
Which
of the following is the most stable ecosystem?
A.
Forest
B.
Mountain
C.
Ocean
D.
Desert
10.
Niche
overlap indicates
A.
Two
different parasites on the same host
B.
Sharing
of resources between two species
C.
Mutualism
between two species
D.
Active
cooperation between two species
Answerkey:-
|
1 |
D |
|
2 |
B |
|
3 |
C |
|
4 |
B |
|
5 |
A |
|
6 |
C |
|
7 |
D |
|
8 |
A |
|
9 |
C |
|
10 |
B |
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