Given below are two statements:
Statement I: The primary source of energy in an ecosystem is solar energy.
Statement II: The rate of production of organic matter during photosynthesis in an ecosystem is called net primary productivity (NPP).
In light of the above statements, choose the most appropriate answer from the options given below:
| List I | List II |
|---|---|
| A. The Evil Quartet | III. Causes of biodiversity losses |
| B. Ex situ conservation | I. Cryopreservation |
| C. Lantana camara | II. Alien species invasion |
| D. Dodo | IV. Extinction |

Match List I with List II:
| List I (Interaction) | List II (Species A and B) | ||
| A. | Mutualism | I. | +(A), O(B) |
| B. | Commensalism | II. | –(A), O(B) |
| C. | Amensalism | III. | +(A), –(B) |
| D. | Parasitism | IV | +(A), +(B) |
Choose the correct answer from the options given below:
List I | List II | ||
| A | Logistic growth | I | Unlimited resource availability condition |
| B | Exponential growth | II | Limited resource availability condition |
| C | Expanding age pyramid | III | The percent individuals of pre-reproductive age is largest followed by reproductive and post reproductive age groups |
| D | Stable age pyramid | IV | The percent individuals of pre-reproductives and reproductive age group are same |
Match List I with List II.
List I (Interacting species) | List II (Name of interaction) | ||
| A | Leopard and a Lion in a forest/grassland | I | Competition |
| B | A Cuckoo laying egg in a Crow’s nest | II | Brood parasitism |
| C | Fungi and root of a higher plant in Mycorrhizae | III | Mutualism |
| D | A cattle egret and a Cattle in a field | IV | Commensalism |
Choose the correct answer from the options given below
Given below are two statements:
Statement I: The primary source of energy in an ecosystem is solar energy.
Statement II: The rate of production of organic matter during photosynthesis in an ecosystem is called net primary productivity (NPP).
In light of the above statements, choose the most appropriate answer from the options given below:
Identify the correct orders against the property mentioned:
A. H$_2$O $>$ NH$_3$ $>$ CHCl$_3$ - dipole moment
B. XeF$_4$ $>$ XeO$_3$ $>$ XeF$_2$ - number of lone pairs on central atom
C. O–H $>$ C–H $>$ N–O - bond length
D. N$_2$>O$_2$>H$_2$ - bond enthalpy
Choose the correct answer from the options given below: