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Hello friends , first of fall plz don't write if you don't know the answer because due to you guys I miss correct answer from another person who actually knows how the answer plz friend don't prank THE CHAPTER - REPRODUCTIONCLASS 12BIOLOGY |
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Answer» Explanation:(1) 12 YEARS.(2) MONOECIOUS [ BOTH MALE AND FEMALE FLOWER ARE BORN ON THE SAME PLANT](3) ALWAYS DIPLOID.(4) BISEXUAL [ BOTH TESTIS AND OVARY PRESENT IN THE SAME INDIVIDUAL](5) [A] IT IS NOT BECAUSE OF THAT THE PLANT IS NOT HEALTHY OR UNDER STRESS. IT IS A NATURAL PHENOMENON THAT THE FLOWERS THAT ARE NOT POLLINATED GET NATURALLY ABORTEDAND ARE NOT ABLE TO PRODUCE FRUITS . HENCE ALL PAPAYA PLANTS DONOT GET FRUITS.[B] SOME ALGAE PRODUCE MOTILE GAMEETES BECAUSE THEY NEED WATER ENVIRONMENT FOR FERTILISATION . THEY PRODUCE LARGE AMOUNT OF GAMEETES BECAUSE SINCE THAY DEPEND ON EXTERNAL FERTILISATION , THE CHANCES OF GETTING FERTILISED IS VERY POOR . TO OVER COME THIS , A LARGE NUMBER OF GAMEETES ARE PRODUCED.[C] THESE ALGAE DEPEND ON EXTERNAL FERTILISATION AND INORDER TO INCREASE THE CHANCES OF GETTING FERTILISED MORE MALE GAMEETES ARE PRODUCED.(6) [A] 1. PRE FERTILISATION EVENTS. 2. FERTLISATION. 3. POST FERTILISATION.[B] 1. GAMETOGENESIS. 2. GAMEETE TRANSFER.HOPE THIS HELPS. |
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