An association between two individuals or populations where both are benefitted and where neither can survive without the other is
Options
(a) commensalism (b) amensalism (c) proto-cooperation (d) mutualism
Correct Answer:
mutualism
Explanation: […]
Due to high degree of zoophily, tropical rain forests are rich in
Options
(a) species (b) link species (c) diversity (d) adaptation
Correct Answer:
link species
Explanation:
No explanation available. Be the first […]
Halophytes are peculiar in having
Options
(a) pneumatophoric stems (b) velamen tissue (c) vivipary (d) saline soils
Correct Answer:
vivipary
Explanation:
No explanation available. Be the first to write the explanation for this […]
If a student wants to study about birth rate, death rate, sex ratio, age distribution, etc, of a population, the information is obtained from
Options
(a) mortality table (b) life table (c) natality […]
All population in a given physical area are defined as
Options
(a) population (b) ecosystem (c) territor (d) biotic community
Correct Answer:
biotic community
Explanation:
No explanation available. Be the first to write […]
Deciduous forests are characterised by
Options
(a) presence of a variety of grasses growing together (b) presence of a variety of crocodiles (c) presence of very narrow-leaved trees growing together (d) presence of […]
Food and space, the major limiting factors of an animal population, operate through which of the following determinants to bring about comparative stability of the population?
Options
(a) natality (b) immigration (c) emigration […]
Identify the plant belonging to the reed-swamp stage in hydrarch succession.
Options
(a) Juncus (b) Sagittaria (c) Salix (d) Trapa
Correct Answer:
Sagittaria
Explanation:
No explanation available. Be the first to write the […]
Adaption of species is its
Options
(a) ecdysis (b) acquired character (c) metamorphosis (d) hereditary character
Correct Answer:
hereditary character
Explanation:
No explanation available. Be the first to write the explanation for this […]
Commensalism is
Options
(a) when both partners are harmed (b) when both partners are benefited (c) when weaker partner is benefited and the stronger is harmed (d) none of the above
Correct Answer: […]
2017 Copyright Doctor Dreams Training Academy