1.

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​

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.



Discussion

No Comment Found

Related InterviewSolutions