I. | The ecological role of the banyan tree in this community is negligible when compared to that of carrot grass. |
II. | In this community, the percent cover or biomass is a more meaningful measure of the population size. |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Assertion (A): | The number of fish caught per trap is not a good measure of its total population density in the lake. |
Reason (R): | For ecological investigations, it is obligatory to count every individual in a population to estimate population density. |
1. | Both (A) and (R) are true but (R) does not explain (A). |
2. | Both (A) and (R) are false. |
3. | Both (A) and (R) are true and (R) explains (A). |
4. | (A) is true but (R) is false. |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
I. | Nt+1 = Nt + [(B+I) – (D+E)] |
II. | B is a measure of Natality and D is a measure of Mortality |
III. | If (B+I) is less than (D+E), the population density will increase |
1. | Only I and II are correct | 2. | Only I and III are correct |
3. | Only II and III are correct | 4. | I, II and III are correct |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
I | B | D | E | |
1. | Emigration | Natality | Mortality | Immigration |
2. | Emigration | Mortality | Natality | Immigration |
3. | Immigration | Natality | Mortality | Emigration |
4. | Immigration | Mortality | Natality | Emigration |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Assertion (A): | The logistic growth model is more realistic for most animal populations in nature. |
Reason (R): | Resources for growth for most animal populations are finite and become limiting sooner or later in the nature. |
1. | (A) is True but (R) is False. |
2. | Both (A) and (R) are True and (R) correctly explains (A). |
3. | (A) is False but (R) is True. |
4. | Both (A) and (R) are True but (R) does not explain (A). |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
I: | Pacific salmon and bamboo breed many times during their lifetimes. |
II: | Birds and mammals breed many times during their lifetimes and produce a small number of large-sized offspring. |
III: | Oysters and pelagic fishes produce a large number of small-sized offspring. |
1. | Only I and II | 2. | Only I and III |
3. | Only II and III | 4. | I, II and III |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
1. | Cryptic colouration | 2. | Aposematic colouration |
3. | Batesian mimicry | 4. | Mullerian mimicry |
1. | Interspecific competition makes the realized niche of Chthamalus much larger than its fundamental niche. |
2. | Interspecific competition makes the realized niche of Chthamalus much smaller than its fundamental niche. |
3. | Interspecific competition makes the realized niche of Balanus much larger than its fundamental niche. |
4. | Interspecific competition makes the realized niche of Balanus much smaller than its fundamental niche. |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Statement I: | Parasitism has evolved in many taxonomic groups from plants to higher vertebrates. |
Statement II: | Many parasites have evolved to be host-specific and both tend to co-evolve. |
Statement III: | All parasites have only one primary and one intermediate host. |
Statement IV: | Only a few of the parasites harm their hosts. |
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
1. | Only I and II | 2. | Only III and IV |
3. | Only I and III | 4. | Only II and IV |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.