Match the following and select the correct option
Column I                          Column II
(I) Earthworm                  (i) pioneer species
(II) Succession                 (ii) Detritivore
(III) Ecosystem service     (iii) Natality
(IV) Population growth      (iv) Pollination

I

II

III

IV

1.

i

ii

iii

iv

2.

iv

i

iii

ii

3.

iii

ii

iv

i

4.

ii

i

iv

iii

Subtopic:  Ecological Efficiencies |
 94%
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Assertion (A): Among red, green and brown algae, the red algae are found in the deepest ocean.
Reason (R): Red algae possess phycobilins, which can absorb the blue and green light that penetrates the deepest water.

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R)are true but (R) is not the correct explanation of (A)
3. (A)is true but (R) is false
4. Both (A) and (R) are false
Subtopic:  Introduction to Ecology |
 63%
From NCERT
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Assertion: The triangular age pyramid is a graphic representation of a young or growing population.
Reason: An age pyramid is a graphic representation of proportion of various age group of population.
 
1. Both assertion and reason are true and the reason is the correct explanation of the assertion
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion
3. Assertion is true but reason is false
4. Both assertion and reason are false
Subtopic:  Population Characters: Density |
 62%
From NCERT
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Assertion (A): The Mediterranean orchid Ophyrus employs 'sexual deceit' to get pollinated by some male bees.
Reason (R): Plant-animal interactions never involve co-evolution.

1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R)are true but (R) is not the correct explanation of (A)
3. (A)is true but (R) is false
4. Both (A) and (R) are false
Subtopic:  Introduction to Ecology |
 82%
From NCERT
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Which one of the following is a matching pair of certain organism(s) and the kind of

association?

1. Shark and sucker fish - predation

2. Algae and fungi in lichens - mutualism

3. Orchids growing on trees - parasitism

4. Cuscuta (dodder) growing in other flowering plants - epiphytism 

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 88%
From NCERT
AIIMS - 2003
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Match column I with column II and select the correct option from the codes given below.

Column I Column II
A. Commensalism (i) One inhibited other unaffected
B. Parasitism (ii) One benefited other unaffected
C. Mutualism  (iii) Both are benefitted
D. Amensalism (iv) One benefitted other harmed
 
A B C D
1. (iv) (ii) (iii) (i)
2. (iii) (iv) (ii) (i)
3. (ii) (iv) (iii) (i)
4. (ii) (iv) (i) (iii)
Subtopic:  Population Interactions: Parasitism | Population Interactions: Amensalism | Population Interactions: Commensalism, Protocooperation & Mutualism |
 86%
From NCERT
AIIMS - 2016
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Choose the correct match

Bladderwert, sundew, venus flytrap:

1. Nepanthese, Dionea, Drosera

2. Nepanthese, Utricularia, Vanda

3. Utricularia, Drosera, Dionea

4. Dionea, Trapa, Vanda

Subtopic:  Population Interactions: Predation |
AIPMT - 2002
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Match the items in Column-I with those in Column-II:

Column I Column II
a. Herbivores-Plants  (i) Commensalism
b. Mycorrhiza-Plants (ii) Mutualism
c. Sheep-Cattle  (iii) Predation
d. Orchid-Tree (iv) Competition


Select the correct option from the following:

Options: (a) (b) (c) (d)
1. (iv) (ii) (i) (iii)
2. (iii) (ii) (iv) (i)
3. (ii) (i) (iii) (iv)
4. (i) (iii) (iv) (ii)

Subtopic:  Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Commensalism, Protocooperation & Mutualism |
 83%
From NCERT
NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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Match the following and choose the correct combination from the options given below:

 

Column I (Interaction)

 

Column II (Examples)

I.

Mutualism

i)

Trichoderma and Penicillium

II.

Commensalism

ii)

Balanophora, Orobanche

III.

Parasitism

iii)

Orchids and Ferns

IV.

Predation

iv)

Lichen and Mycorrhiza

V.

Amensalism

v)

Nepenthes and Diaonaea

 

I

II

III

IV

V

1.

i

ii

iii

iv

v

2.

ii

iii

iv

v

i

3.

iii

iv

v

i

ii

4.

iv

iii

ii

v

i

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 93%
From NCERT
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Match the following and choose the correct combination from the options given below.

Column I

Column II

A.

Mutalism

1.

Lion and deer

B.

Commensalism

2.

Round worm and man

C.

Parasitism

3.

Birds compete with squirrels for nuts

D.

Competition

4.

Sea anemone on hermit crab

E.

Predation

5.

Barnacles attached to Whales.

Dispersal
1. A- 4, B-5, C-2, D –3,  E-1
2. A- 3, B-1, C-4, D – 2, E-5
3. A- 2, B-3, C-1, D – 5, E-4
4. A- 5, B-4, C-2, D – 3, E-1

Subtopic:  Population Interactions: Commensalism, Protocooperation & Mutualism |
 76%
From NCERT
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