Ecology MCQs
1. The natural place of associate degree organism or community is thought as
Niche
Biome
Habitat
Habit
The correct answer is – three. Habitat.
2. that is that the renewable exhaustible natural energy resource?
Coal
Petroleum
Kerosene
Biomass
The correct answer is – four. Biomass.
Also read: Coal and crude oil
3. per Shelford’s Law of Tolerance, the organisms wide environmental issue tolerance limit show
Narrow distribution with low population size
Wide distribution with high population size
Narrow distribution with high population size
Wide distribution with low population size
The correct answer is – two. Wide distribution with high population size.
4. Plants growing underneath direct daylight ar called
Heliophytes
Sciophytes
Psamophytes
Dicots
The correct answer is – one. Heliophytes.
5. Plants growing underneath shade ar called
Psamophytes
Sciophytes
Heliophytes
Monocots
The correct answer is – two. Sciophytes.
6. associate degree flower living on a tree exhibits
Predator
Mutualism
Commensalism
Parasitism
The correct answer is – three. mutuality.
Also read: interdependency
7. that statement is correct with relevance the food chain?
Every part of the organic phenomenon forms a organic process level
Inter-relation between totally different food chains is thought as a organic phenomenon
All the chains fashioned by biological process relations is employed to know energy flow.
All of the on top of
The correct answer is – four. All of the on top of.
8. the method of vernalization is practiced in
Cold countries
Hot countries
Only in sub-tropical countries
Only in tropical countries
The correct answer is – one. Cold countries.
Also read: Photoperiodism and Vernalization
9. that of the subsequent needs most energy?
Secondary shopper
Decomposer
Primary shopper
Primary producer
The correct answer is – four. Primary producer.
10. the lowest space wherever production is a smaller amount than respiration during a pool system is termed as
Profundal zone
Tidal zone
Benthic zone
Limnetic zone
The correct answer is – one. Profundal zone.
Also read: Aquatic system
11. that isn't the characteristic of ‘r’ designated species?
Reproduce quickly
Parental care
A low survival rate of progenies
Produce an oversized variety of progenies
The correct answer is – two. Parental care.
12. that isn't the characteristic of a population?
Natality
Mortality
Stratification
Sex ratio
The correct answer is – three. Stratification.
Also read: Introduction to growth
13. Lincoln index measures
Population rate
Population rate rate
Population size
Population density
The correct answer is – three. Population size.
14. Allelopathy refers to
Inhibition of growth of 1 species by another by the assembly of poisons
Inhibition of agamogenesis of infectious agent by the host
Altering the generative cycle of 1 organism by another
Inhibition of growth of 1 species by another by preventing replica
The correct answer is – one. Inhibition of growth of 1 species by another by the assembly of poisons.
15. The magnitude relation between energy flow at totally different points during a organic phenomenon is thought as
Ecological capability
Ecological potency
Ecological assimilation
Ecological potential
The correct answer is – two. Ecological potency.
Also read: Energy Flow in associate degree system
16. the power of a population to extend underneath ideal environmental conditions is named
Natality
Carrying capability
Biotic potential
Absolute rate
The correct answer is – three. organic phenomenon potential.
17. In associate degree system, the energy flow is often
Always one-way
Always bifacial
In any direction
Always down directional
The correct answer is – one. perpetually one-way.
Also read: system
18. In thermal stratification, the center region that shows vertical natural process is named
Mesolimnion
Epilimnion
Metalimnion
Hypolimnion
The correct answer is – three. Metalimnion.
19. choose a non-denitrifying bacterium
Pseudomonas aeruginosa
Thiobacillus
Thiobacillus denitrificans
Bacillus ramosus
The correct answer is – four. eubacteria ramosus.
20. that one may be a ‘K’ designated species?
Aspergillus
Human
Taraxacum
Grass
The correct answer is – two. Human.
21. All species of primate ar endemic to that area?
Madagascar
Seychelles Island
Galapagos Island
New geographical region
The correct answer is – one. Madagascar.
22. The higher a part of associate degree aquatic system contains
Nekton
Plankton
Benthos
both (1) and (2)
The correct answer is – two. Plankton.
23. What kind of organic phenomenon is it?
dead animals grub blow fly grub → maggots → frog → snake
Detrital organic phenomenon
Decomposer organic phenomenon
Predator organic phenomenon
Grazing organic phenomenon
The correct answer is – one. Detrital organic phenomenon.
24. determine the mismatched try
Tundra – soil
Savanna – tree trees
Prairie – Epiphytes
Coniferous forest – Evergreen trees
The correct answer is – three. grassland – Epiphytes.
25. “The pyramid of energy is often upright” states that
The energy conversion potency of herbivores is healthier than carnivores
The energy conversion potency of carnivores is healthier than herbivores
Producers have rock bottom energy conversion potency
Energy conversion potency is that the same all told organic process levels
The correct answer is – one. The energy conversion potency of herbivores is healthier than carnivores.
26. The population of birds declined in a section wherever DDT was extensively used. Why?
The birds stopped egg laying eggs
The eggs ordered by the birds didn't hatch
The snakes Greek deity the eggs
The DDT spray killed all the birds
The correct answer is – two. The eggs ordered by the birds didn't hatch.
27. that of the subsequent lake zones has phytoplanktons in abundance?
Littoral zone
Benthic zone
Limnetic zone
Profundal zone
The correct answer is – three. Limnetic zone.
28. Plant species with a good vary of genetic distribution evolve into a neighborhood population called
Ecotype
Population
Ecosystem
Biome
The correct answer is – one. Ecotype.
29. sound unit is that the abbreviation used for the quantitative expression of
The density of bacterium during a medium
A Particular waste product
Dominant eubacteria during a culture
A chemical
The correct answer is – two. a selected waste product.
30. The cover of birds becomes skinny by the pollution from pesticides because of the interference within the activity of
Calmodulin
MgATPase
CaATPase
Calcium
The correct answer is – three. CaATPase.
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