Home
Class 12
BIOLOGY
Secondary productivity...

Secondary productivity

A

s measured by the standing crop.

B

is the rate of biomass production in consumers.

C

is greater than primary productivity.

D

is 10% less than primary productivity.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Match the items given in column I with appropriate items (one or more) given in column II. {:((i),"Natural ecosystem",(a),"Producers"),((ii),"Decomposers",(b),"Consumers"),((iii),"Primary productivity",(c),"Forest"),((iv),"Secondary productivity",(d),"Lake"),((v),"Desert",(e),"Bacteria"),(,,(f),"Biome"),(,,(g),"Fungi"):}

Identify the correct match . 1. Stratification : Vertical distribution of different species occupying different levels . 2. Secondary productivity : Amount of biomass or organic matter produced per unit area over a time period by plant during photosynthesis . 3. Primary productivity : Rate of formation of new organic matter by consumers . 4 Decomposition : Break down complex organic matter into inorganic substances like carbon dioxide , water and nutrients

Mathc column I with column II and select the correct option from the given codes. {:("column I","column II"),("Gross primary productivity",(i)"Geen plants"),("Secondary productivity",(ii)"Rate of synthesis of organic matter by consumers"),("Transducers",(iii)"Total organic matter produced from solar energy"),("Food web",(iv)"Interconnection of food chains"):}

Mathc column I with column II and select the correct option from the given codes. {:("column I","column II"),("Gross primary productivity",(i)"Geen plants"),("Secondary productivity",(ii)"Rate of synthesis of organic matter by consumers"),("Transduc {:("column I","column II"),("Bacteria",(i)"Prisere"),("Green plants",(ii)"Transducers"),("Primary succession",(iii)"Lithosere"),("Succession on bare rock",(iv)"Micro-consumers"):}

Math List-I with List-II and select the correct answer using the codes given below the lists {:(,"List-I",,"List-II"),(A.,"The amount of energy accumulation in green plants through the process of photosynthesis",1.,"Gross primary productivity"),(B.,"The total organic matter synthesized by the producers in the process of photosynthesis per unit time and area",2.,"Primary productivity"),(C.,"Rate of storage of organic matter in plant tissues in excess of the respiratory utilization during the measurement period",3.,"Secondary productivity"),(D.,"Rate of energy storage at consumer level",4.,"Net primary productivity"):}

Which of the following is secondary production in an ecosystem ?

Secondary data

Secondary oocte is

Primary and secondary product of apiculture are :-