The process where a population inhibits the growth of other population without affecting itself is known as 

(1) Amensalism

(2) Parasitism

(3) Mutualism

(4) Commensalism 

Subtopic:  Population Interactions: Amensalism |
 77%
From NCERT
AIIMS - 2017
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Which of the following is not a factor that would limit the growth of a population?

(1) Food shortage

(2) Immigration

(3) Disease

(4) Famine

Subtopic:  Population Characters: Density |
 66%
From NCERT
AIIMS - 2017
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The graph shows two types of population growth curve. A is exponential and B is logistic.

Which one of the following growth model considered as more realistic one?

1. Exponential growth curve

2. Logistic growth curve

3. Both the growth curves

4. None of the above

Subtopic:  Population: Exponential Growth Model | Population: Logistic Growth Model |
 88%
From NCERT
AIIMS - 2016
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In an area, a population with large size individuals having long life span, more parental care and slow development was present. The type of population growth curve will be:

(1) S-shaped                     

(2) J-shaped

(3) Z-shaped                     

(4) All of these

Subtopic:  Population: Logistic Growth Model |
 63%
AIIMS - 2014
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The plants which can withstand with narrow and broad range of temperature tolerance respectively are:

1. monothermal and stenothermal

2. stenothermal and monothermal

3. stenothermal and eurythermal

4. stenothermal and mesothermal

Subtopic:  Abiotic Factors: Temperature (OLD NCERT) |
 94%
From NCERT
AIIMS - 2013
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Resemblance of one organism with its surroundings for protection and hiding is

(1) mimicry               

(2) predation

(3) adaptation           

(4) camouflage

Subtopic:  Population Interactions: Predation |
 76%
From NCERT
AIIMS - 2012
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Sinking of zooplankton during the day and rising to the surface at night is an example of

(1) circinal rhythm               

(2) circadian rhythm

(3) tidal rhythm                   

(4) None of these

Subtopic:  Abiotic Factors: Light & Water (OLD NCERT) |
 57%
AIIMS - 2010
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Birth rate = B Death Rate = D
Emigration = E Immigration = I

     Column-I    Column-II
A. Population is stable I.   B + I > D + E
B. Population is increasing II.  B + I = D + E
C. Population is decreasing III. B + I < D + E

IV. B + E > D + I

(1) A - II, B - I, C – III

(2) A - II, B - IV, C - III

(3) A - III, B - IV, C – I

(4) A - I, B - II, C - IV

Subtopic:  Population Characters: Density |
 89%
From NCERT
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Animals with a constant body temperature such as mammals and birds require more food than do animals with a changing body temperature such as reptiles and fish. Why?

(1) Much of the food is utilised to produce heat to keep warm

(2) Warm-blooded animals waste more food than cold-blooded animals

(3) Cold-blooded animals digest their food more efficiently than warm-blooded animals

(4) None of the above

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 81%
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Ecological niche is:

(1) The surface area of the ocean

(2) An ecologically adapted zone

(3) The physical position and functional role of a species within the community

(4) Formed of all plants and animals living at the bottom of a lake

Subtopic:  Introduction to the Chapter |
 88%
From NCERT
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