NEET Biolgy plant Ecology MCQ,NEET Online model test,NEET PDF

Plant Ecology Mock Test-1

NEET Biology Plant Ecology Mock-Test-1



Lichens and mosses are observed in

(A) hydrosere
(B) xerosere
(C) hydrarch succession
(D) psammosere



Researchers like Robert Constanza et, al. have put an average price tag of US$ ——— trillion a year on the fundamental ecological services

(A) 33
(B) 50
(C) 6
(D) 18



The nature of climax community ultimately depends on

(A) climate
(B) soil organism
(C) bed rock
(D) pool of available nutrients



A community that starts the process of succession in a habitat is called

(A) pioneer community
(B) abiotic community
(C) biotic community
(D) none of these



Primary succession refers to the development of communities on a

(A) pond freshly filled with water after a dry place
(B) freshly cleared crop field
(C) newly exposed habitat with no record of earlier vegetation
(D) forest clearing after devastating fire



In succession, complexities in structure

(A) drastically increase
(B) slowly increase
(C) does not increase
(D) remain constant



Find out the correct order of succession levels in xerarch.

(A) lichen moss stage, annual herb stage, perennial herb stage, shrub stage, forest
(B) annual herb stage, perennial herb stage, lichen moss stage, shrub stage, forest
(C) perennial herb stage, annual herb stage, lichen moss stage, shrub stage, forest
(D) shrub stage, forest, annual herb stage, perennial stage, lichen moss stage



Succession is

(A) orderly process of community change till stability
(B) gradual, convergent directio.nal and continuous process
(C) series of biotic communities that appear gradually in a barren area
(D) all of the above



Amount of CO2, absorbed by plant to produce 180 gm of glucose

(A) 216 gm
(B) 264 gm
(C) 192 gm
(D) 108 gm



Intermediate communities between poineer and climax xommunities are commonly called as

(A) Plant communities
(B) Biotic communities
(C) Transitory communities
(D) None



Last (terminal) stabilized community in plant sucession is called

(A) Serai community
(B) Ecotone
(C) Ecosere
(D) Climax community



When the vegetation of any region reaches climatic climax, it is

(A) Hydrophytic
(B) Mesophytic
(C) Xerophytic
(D) Lithophytic



Minimum diversity is found in

(A) Moss stage
(B) Climax community
(C) Pioneer community
(D) Serai community



When the succession occurs in a barren area that was not previously inhabited by plant, like sand dunes, seafloor, volcano lava sediments, it is called

(A) Primary succession
(B) Secondary succession
(C) Alogenic
(D) Ecological succession



In ecological succession from pioneer to climax stage, the biomass shall

(A) Increase continuously
(B) Decrease
(C) Increase and then decrease
(D) No relation



According to Millennium Ecosystem Assessment ecosystem services are grouped into this many categories

(A) 3
(B) 2
(C) 4
(D) 5



One of the following is not a supporting ecosystem services

(A) Nutrient cycling
(B) Oxygen production
(C) Soil formation
(D) Climate regulation



Ecosystem services such as education, recreation and aesthetic value comes under this category

(A) Regulating services
(B) Supporting services
(C) Cultural services
(D) Provisioning services



Identify the correct statement

(A) cost of soil formation account for about 10 percent.
(B) food, fibre are regulating services.
(C) Recreation and nutrient cycling accounts for less than 10 percent
(D) water purification and food production are supporting services.



The most important pollinator for agricultural purposes is

(A) Flies
(B) Mosquitoes
(C) Cockroaches
(D) Honeybees



To produce 1gm dry organic matter the amount of CO2 fixed is

(A) 1.98 gm
(B) 20 gm
(C) 1.63 gm
(D) 40 gm



Natural ecosystem may have helped to stabilize climate and prevent overheating of the Earth by removing more of

(A) The green house gases from atmosphere
(B) CO2 from the atmosphere
(C) Ground water
(D) (a) and (b)