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
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 |
A sphere of radius R is cut from a larger solid sphere of radius 2R as shown in the figure. The ratio of the moment of inertia of the smaller sphere to that of the rest part of the sphere about the Y-axis is :