Class 12 Biology Chapter 14 MCQ Questions
Biology MCQ Chapter 14 Ecosystem
1.Who introduce the term of Ecosystem?
a) Malthus
b) Kathy
c) Nathan heavy
d) Reiter
Answer: Reiter
2.Which of the following soil best plant growing?
a) Clay soil
b) Chalk soil
c) Pit soil
d) Loam soil
Answer: Clay Soil
3. Kanha National park is famous for ?
a) Horse
b) Elephant
c) Dear
d) Tendua
Answer: Tendua
4.During the food chain maximum energy is stored in ?
a) Producers
b) Biomagnification
c) Carnivores
d) Herbivores
Answer: Producers
5.What is the average efficiency of energy transfer from Herbivores to Carnivores level ?
a) 50%
b) 49%
c) 30%
d) 20%
Answer: 10%
6.Ecological of pyramid was first Discovered by ?
a) Meischer
b) Sutton
c) Charles Darwin
d) Charles Elton
Answer: Charles Elton
7.Which of the following Ecosystem has highest Gross primary productivity ?
a) Round worm
b) Platyhelminthes
c) Ringworm
d) Coral reef
Answer: Coral reef
8.Whuch of the following pyramid are never invented?
a) pyramid of energy
b) Biochemical of pyramid
c) Ecology of pyramid
d) Biomass of Energy
Answer: Pyramid of energy
9.What is the main cause of extinction of some species in the Tropical forest ?
a) Deforestation
b) Lack of water
c) lack of land
d) excessive of heat
Answer: Deforestation
10.Which of the following 70% of fresh water found in
a) Yamuna River
b) Ganga River
c) Amazon forest
d) Greenland
Answer: Greenland
11.Ecology deal with ?
a) it's deal with zoology
b) it's deal with with botany
c) it's deal with paleontology
d) Relationship between organism and environmental
Answer: Relationship between organism and environmental
12.What is the largest Ecosystem ?
a) Marine Ecosystem
b) Tundra
c) Grassland
d) Great barrier reef
Answer: Marine Ecosystem
13. Which one of the following in Root hair absent?
a) Carex hirta
b) Cartifolia
c) Carex pilosa
d) Hydrophytes
Answer: Hydrophytes
14.The each trophic levels has a certain mass of living material at a particular time called as?
a) Standing Crop
b) Dynamics Crop
c) Location Crop
d) Diablo Crop
Answer: Standard Crop
15.Tye species that invade the bare area is called ?
a) Pioneer species
b) Xerarch species
c) Hydrate species
d) Climate species
Answer: Pioneer species