An element which is generally obtain from rocks.
From the given information which is correct option for the same
A. (1) dissolve in water, (2) depositeda at the bottom of the sea (3) used by forest (4) eaten by fishes (5) eaten by sea birds
B. (1) dissolve in water, (2) used by planktons (3) Fishes (4) Sea birds (5) deposited at the bottom of the sea
C. (1) Fishes (2) Sea birds (3) used by planktons (4) Sea birds (5) deposited at the bottom of the sea
D. (1) Fishes (2) used by planktons (3) Fishes (4) Sea birds (5) None
Answer : Option B
Few statements are given below in reference with Thermodynamics, Which of the following option
shows all correct statements for it ?
(I) Amount of energy is constant.
(II) During transfer of energy some amount of energy is converted in to heat.
(III) Free energy = energy which can do work.
(IV) At each tophic level amount of stored energy reduces.
43. Food chain always start with producer, which of the following is an exceptional to the given statement.
44. X is released in Halophytes and Y is source of it, , Z process occurs in- estuary, then What does x,y,z indicate?
A. X- Potassium Y - rocks Z- Biological magnification
B. X - DDT Y - Water Y- Biological magnification
C. X -Phosphorus Y - Sewage water Z- Eutophication
D. None of this.
Answer : Option C
45. If energy produced by producer is 1000 units, than What amount of energy will be found in highest level of consumer ?
What does given chart indicate ?
A. What does given chart indicate ?
B. Type of ecosystem
C. First and second law of Thermodynamics
D. Bidirerectional flow of energy.
Answer : Option C
47. What is incorrect for oxygen ?
A. Most of the metabolic energy is produced by it.
B. Plants are included in the organisms producing it.
C. It is essential for all the organisms.
D. Its proportion in water is 90%.
Answer : Option C
48. X is source of y. but y never return to x, Than which option is wrong for x and y.
A. X = plant, Y= organic compound
B. X= sun, Y=Energy
C. a & b Both are correct.
D. A and B are Wrong.
Answer : Option D
49. What does pyramid of Bimass of an ecosystem indicate in....
A. Number of species in each trophic level
B. Number of organisms in each trophic level
C. Organisation of tissue of each tophic level
D. All of the given.
Answer : Option C
Which option is correct for the given information ?
(1) Ecosystem is an outcome of an interaction between all living components and non- living
components of Environment.
(2) GPP= NPP- loss due to respiration
(3) Primary productivity is measured in dry biomass.