#Question id: 11275
#SCPH06 I Botany
Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following are correct statement ?
A.Consumption efficiencies higher in forests than grassland
B-In aquatic ecosystems consuption efficiencies of hervivore are greater than terrestrial hervivore
C- Consumption efficiencies for carnivores are typically higher than those of herbivores
D-Primary production consumption is increased where it is high in nutrients such as nitrogen and phosphorus
#Question id: 1602
#SCPH28 | Zoology
Following are some of the characteristics of MHC 1 and MHC 2 both , except
#Question id: 549
#SCPH06 I Botany
Which one of the following statements is true of enzyme catalysts?
#Question id: 6969
#SCPH28 | Zoology
In Xenopus, the elongation of the mesoderm toward the anterior results from the intercalation of cells during a process called:
#Question id: 73
#SCPH06 I Botany
Match the Variation of Reaction Spontaneity (Sign of ΔG) given in Column I with the Signs of ΔH and ΔS given in column II.
|
COLUMN I |
COLUMN II |
|
|
|
|
ΔH |
ΔS |
ΔG = ΔH – TΔS |
|
1. |
− |
+ |
a. The
reaction is both enthalpically and entropically opposed. It is nonspontaneous
(endergonic) at all temperatures. |
|
2. |
− |
− |
b. The
reaction is enthalpically opposed (endothermic) but entropically favored. It
is spontaneous only at temperatures above T = ΔH/ΔS. |
|
3. |
+ |
+ |
c. The
reaction is enthalpically favored but entropically opposed. It is spontaneous
only at temperatures below T = ΔH/ΔS. |
|
4. |
+ |
− |
d. The
reaction is both enthalpically favored (exothermic) and entropically favored.
It is spontaneous (exergonic) at all temperatures. |