MCQ
Height is
- ASomatogenic variation
- BDiscontinuous variation
- ✓Continuous vairation
- DBlastogenic variation
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$(1)$ Salt concentration in inland water - $30-35\%$
$(2)$ Salt concentration in the sea - $5\%$
$(3)$ Salt concentration in hypersalinelagoon - $>100\%$
Statement $I$: Gause's competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.
Statement $II$: According to Gause's principle, during competition, the inferior will be eliminated. This may be true if resources are limiting.
In the light of the above statements, choose the correct answer from the options given below :
Match the following sexually transmitted diseases (column $I$) with their causative agent (column $II$) and select the correct option.
| Column $-I$ | Column $-II$ |
| $(A)$ Gonorrhoea | $(i)$ HIV |
| $(B)$ Syphilis | $(ii)$ Neisseria |
| $(C)$ Genital warts | $(iii)$ Treponema |
| $(D)$ AIDS | $(iv)$ Human papilloma virus |