Question

please say the correct ans if you know ​

Answer 1

quesrion 1-a

fertilisation is defined as a process where the male and the female gametes fuse with each other leading to the formation of a zygote this is the most vital event in sexual reproduction

1-b

binary fission is a type of asexual reporduction in which the parent cell divides into two daughter imdividuals which most commonly seen in bacteria

1-c

menstruation is an event in menstrual cycle where the inner most layer of the uterus (endometrium ) breaks and flows out through vagina it lasts for 3 to 5 days

1-d

regeneration is also a type of asexual reproduction in which the cut part of the body regenaretes into a whole new organism

question 2

soon after fertilisation the sepals and petals of a flower wither and fall off along with the stamens the ovary devolops into a fruit and ovule devolops into a seed

question 3

the reproductive cycle in female primates is known as menstrual cycle it begins at puberty and lasts upto 50 yrs of age

question 4

4-a

the scrotum is a pouch which is extra abdonlminal and has testis in it it helps in maintaining a low temperature required for sperm production

4-b

testis is the primary male sex organ which produces sperms and also some hormones which are required for secondary sexual characters in males

4-c

the vas deferens is atube which carries sperms along with other secretion to the urethra

question 5

the temperature of scrotum is less as the sperm production occurs at low temperatures