12 Biology Organisms and Populations - Set No : 31 Question No :7
Question No : 7
| If in a pond there are 20 lotus plants of last year and through reproduction 8 new plants are added. Then the birth rate is |
| a) | 0.8 offspring per lotus per year | b) | 0.2 offspring per lotus per year |
| c) | 0.4 offspring per lotus per year | d) | 0.6 offspring per lotus per year |
Answer No : 7
(c)Last
year lotus plants = 20New
plants added = 8Birth
Rate  offspring per lotus per year |