Q. No.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 |
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
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
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
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
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) |
Choose the correct match
Bladderwert, sundew, venus flytrap:
1. Nepanthese, Dionea, Drosera
2. Nepanthese, Utricularia, Vanda
3. Utricularia, Drosera, Dionea
4. Dionea, Trapa, Vanda
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) |
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 |
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
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