reproduction

Question 1

what is binary fussion?

Answer 1

Binary fussion is a process of division between one parent cell into two daughter cells.

-Amoeba,Paramecium

Question 2

what is budding?

Answer 2

Is a process of forming a bug from an organisms body.It starts as a swelling and breaks of as new young

-Yeast,Hydra

Question 3

what is regeneration?

Answer 3

regenaration occurs from the ability of fragments of some organisms to grow and develop into completely new individuals

-Flatworm,planaria

Question 4

what is spore formation

Answer 4

spore formation is a process of producing spores in the sporangium.

-Algae,fungus,fern

Question 5

what is vegetative reproduction?

Answer 5

vegetative reproduction is a process of producing new plants from a vegetative part of a plant except the flower.

Question 6

what is menstruation phase?

Answer 6

the uterine lining breaks down and discharges blood,unfertilised ovum and mucus

Question 7

Repair phase?

Answer 7

the uterine lining starts to rebuild and thicken.Blood vessels in the uterine lining are formed and ready to receive the implantation of fertilised ovum

Question 8

Fertile phase?

Answer 8

The uterine lining continues to thicken.Fertilisation is likely to occur if sperms are present.On the 14th day the ovary realeases a ovum.

Question 9

Premenstrual phase

Answer 9

the uterine lining continues to thicken and richly supplied with blood vessels.Implatation of embryo is ready if fertilisation occcurs.The menstrual cycle will repeat if fertilisation does not occur.

Question 10

subtances that are unhealthy for a pregnant women.

Answer 10

Cigarettes,Alcohol,drugs

Cigarette- The baby can be born premature,low birth weight and miscarriage of foetus can happen

Alcohol-The brain,nervous system and heart can be damaged,baby can have foetal alcohol syndrome

drug- foetal detects may occur

Question 11

methods to overcome sterility

Answer 11

hormone treatment,vitro fertilisation,surgery.

Question 12

for who is hormone treatment suitable for?

Answer 12

for individuals that have imbalanced hormones.

Question 13

what do they do for surgery?

Answer 13

surgery is done on women and men who have a blockage in their fallopian tube or sperm duct

Question 14

what do they do for in vitro ferlitisation?

Answer 14

doctors take out the ovum to be fertilised with the sperm outside the body in a glass dish.The embryo formed will be then put inside the uterus.

Question 15

usage of contraceptive pills

Answer 15

prevent ovulation

Question 16

implants?

Answer 16

are used to prevent ovary from producing ovums

Question 17

use of condom

Answer 17

worn over the penis during ejaculation

Question 18

IUCD?

Answer 18

a contraceptive device that is inserted in a womens uterus to prevent implantation

Question 19

vasectomy?

Answer 19

surgery is carried out to cut the sperm duct and tie them to prevent sperms from being transported into the urethra

Question 20

ligation

Answer 20

fallopian tube is cut and tied together to prevent the sperms from meeting the ovum during copulation