Which of the following statements about ecology is incorrect?
A) biosphere consists of three layers- the hydrosphere, lithosphere and atmosphere
B) communities with many populations of organisms are more stable than those with fewer populations
C) vegetative cells must have water
D) the sun is the ultimate source of energy for all organisms in any ecosystem
Correct Answer:
Verified
Q2: The sulfur cycle is of special importance
Q3: Producers obtain CO₂ from _.
A)eating other producers
B)the
Q3: The loss of water from pores of
Q7: Denitrification is:
A)a process by which nitrates are
Q10: Sulfur oxidation is carried out by _.
A)Thiobacillus
B)Desulfovibrio
C)Desulfomonas
D)Desulfotomaculum
Q12: Which of the following microbes is not
Q13: Microbes in the environment can be
A) producers
B)
Q17: Which is a primary symbiotic nitrogen fixer
A)Azotobacter
B)Rhizobium
C)Cyanobacteria
D)Clostridium
Q18: In the sulfur cycle many microbes convert
Q19: Most denitrification is due to _.
A)Rhizobium
B)Azotobacter
C)Pseudomonas
D)Nitrosomonas
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