Ecosystem

Question 1

Who termed ecosystem

Answer 1

Reiter

Question 2

Father of Indian ecology

Answer 2

Ram Deo Mishra Odum

Question 3

Father of modern ecology

Answer 3

Eugene P Odum

Question 4

Basic unit of ecology

Answer 4

Individual

Question 5

Local population adapted genetically to its particular environment

Answer 5

Exotyoe

Question 6

No of biomes and divided it

Answer 6

12 and Robert Whitaker

Question 7

Tropical and subtropical grass lands having scattered trees are called as

Answer 7

Savanna

Question 8

Vertical distribution of different species

Answer 8

Stratification

Question 9

The amount of biomass or organic matter produced per unit area over a time period during photosysnthesis

Answer 9

Primary productivity

Question 10

Net primary productivity

Answer 10

GPP- R

Question 11

Annual net primary productivity of the whole world

Answer 11

170 billion tons

Question 12

Net Primary productivity by oceans

Answer 12

55 billion tons

Question 13

Humus is ——- in nature

Answer 13

Colloidal

Question 14

Decomposition rate is slow in case of

Answer 14

Lignin and chitin

Question 15

Decomposition is quicker if

Answer 15

Rich in nitrogen and water soluble substances

Question 16

Climatic condition for quicker decomposition

Answer 16

Warm and moist environment

Question 17

Incident Solar energy is—- of total solar energy

Answer 17

Less than 50% of par

Question 18

Plants capture —— % of the PAR

Answer 18

2-10%

Question 19

Detrivorous are also called as

Answer 19

Saprotrophs

Question 20

In aquatic ecosystem which is the major conduit for energy transfer

Answer 20

GFC

Question 21

In terrestrial ecosystem which is the major conduit of energy transfer

Answer 21

DFC

Question 22

Each tropic level has a certain mass living material at a particular time called as

Answer 22

Standing crop

Question 23

Pyramid of number in grass land ecosystem

Answer 23

Upright

Question 24

Pyramid of biomass is inverted in

Answer 24

Aquatic ecosystem

Question 25

Pyramid of energy

Answer 25

Always upright

Question 26

Pyramid of number in forest

Answer 26

Inverted or spindle shaped

Question 27

Example of a species that occupies more than one tropic level at the same time

Answer 27

Sparrow

Question 28

Community that is in equilibrium with environment and is the final succession is called

Answer 28

Climax community

Question 29

The entire sequence of community successively change in a given area are called

Answer 29

Sere

Question 30

Plant succession in wet areas

Answer 30

Hydrarch and progress from hydrocarbon to mesic

Question 31

Xerach sussesion

Answer 31

Dry area
Series progress from xerox to mesic

Question 32

Species that invade a base area

Answer 32

Pioneer species

Question 33

Primary succession on rock example

Answer 33

Lichens

Question 34

The amount of nutrients present in the soil at a given time is called

Answer 34

Standing state

Question 35

Gaseous type of nutrient cycle

Answer 35

Carbon and nitrogen

Question 36

Sedimentary cycle

Answer 36

Sulphur and phosphorus

Question 37

Carbon percentage as dry weight in Organisms

Answer 37

49%

Question 38

Percentage of carbon dissolved in ocean

Answer 38

71%

Question 39

Who put price tags on natures life support services

Answer 39

Robert Constanza