MCQ
Which prevents self pollination
- ASelf sterility
- BHerkogamy
- CDichogamy
- ✓All of the above
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| List $I$ | List $II$ |
| $A.$ Cocaine | $I.$ Effective sedative in surgery |
| $B.$ Heroin | $II.$ Cannabis sativa |
| $C.$ Morphine | $III.$ Erythroxylum |
| $D.$ Marijuana | $IV.$ Papaver somniferum |
Choose the correct answer from the options given below:
$I.$ Recent studies support competition as suggested in 'Gauses's Competitive Exclusion Principle'
$II.$ Gause's hypothesis says if two species compete for same resources then one will be eliminated by another species
$III.$ More recent studies point out that species facing competition might evolve mechanisms that promote co-existence rather than exclusion
$IV.$ Gause's competitive exclusion principle is effective when resources are in excess
$V.$ Unlimited resources give better opportunity for adaptation
Choose the correct combination of statements