TOP 10 QUESTIONS ORGANISM AND POPULATION
1.Carnivarous animal lions and leopards occupy the same niche but lion predate only larger animals and leopard takes smaller one . This mechanism of competition refers to as (ODISHA 2019)-
a)Character displacement
b)Altruism
c)Resource partioning
d)Competitive exclusion
2.Natality refers to (2018)-
a)Birth rate
b)Death rate
c)Number of individual leaving the habitat
d)Number of individual entering the habitat
3.Pneumatophores occurs in (2018)-
a)Halophyte
b)Free floating hydrophyte
c)Carnivarous Plant
d)Submerged hydrophyte
4.Niche is (2018)-
a)All the biological factor in the organism environment
b)The physical space where organism lives
c)The range of temp that organism needs to live
d)The functional role played by the organism where it lives
5. Between which among the following relationship is not an example of commensalism-
a)Orchid and the tree which it grows
b)Cattle egret and grazzing cattle
c)Sea anemone and clwon fish
d)Female wasp and fig species
6.In a growing population of a country -
a)Pre reproductive individual are more than the reproductive individuals
b)Reproductive individual are less than the post reproductive individuals
c)Reproductive = pre reproductive
d)Pre reproductive < Reproductive
7.Which one of the following plants show a very close relationship with a species of moth where none of the two can complete it's life cycle without the other -
a)Hydrilla
b)Yucca
c)Banana
d)Viola
8.Which of the population interaction is widely used in medical science for production of antibiotics -
a)Commensalism
b)Mutualism
c)Parasitism
d)Ammensalism
9.Asymptote in a logistic growth curve is obtained when
a)K=N
b)K>N
c)K<N
d)Value of r approches to 0
10.Plant which produce characterstics Pneumatophore and show vivipary belong to -
a)Halophytes
b)Psammophytes
c)Hydrophytes
d)Mesophytes
ANSWERS -
1.C
2.A
3.A
4.D
5.D
6.A
7.B
8.D
9.A
10.A
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