MCQ
Concept of ecological pyramid is given by:
- AOdum
- BElton
- CDarwin
- DReiter
Explanation:
An ecological pyramid is a graphical representation to describe the number of organisms, energy relationships, and biomass of an ecosystem. They are also called as Eltonian pyramids after Charles Elton, who developed the concept of ecological pyramids.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column-I | Column-II |
| $(A)$ Barrier | $(1)$ Copper$-T$ |
| $(B)$ $IUD$ | $(2)$ Vasectomy and tubectomy |
| $(C)$ Surgical technique | $(3)$ Condoms cervical Caps |
| $(D)$ Adminisitrating hormones | $(4)$ Oral, pill and saheli |