Reproduction In Animals

Question 1

Reproduction

Answer 1

Reproduction is giving rise to new organisms of the same species for the continuity of life.

Question 2

Mammals carry out what type of fertilization?

Answer 2

Internal fertilization

Question 3

Reproduction is divided into…

Answer 3

Sexual and Asexual reproduction

Question 4

How is a zygote formed?

Answer 4

From the Fusion of gametes
(Male and Female sex cells)

Question 5

Gametogenesis

Answer 5

This is the formation of gametes

Question 6

What does Gametogenesis involve?

Answer 6

Spermatogenesis and Oogenesis

Question 7

What is Spermatogenesis regulated by in humans?

Answer 7

The testosterone

Question 8

How many sperms are produced in a male?

Answer 8

Over 300 million

Question 9

What group of cells produce sperm?

Answer 9

The Seminiferous tubules in the testes

Question 10

Maturation of the ovule is controlled by?

Answer 10

F.S.H

Question 11

The thickening of the uterine endometrium is controlled by?

Answer 11

Oestrogen

Question 12

A mature Ovule goes from…

Answer 12

Ovary to the Oviduct

Question 13

The Menstrual cycle can vary from?

Answer 13

23 to 35 days

Question 14

On what day of the cycle does Ovulation occur?

Answer 14

The 14th day

Question 15

What are the 4 hormones that controll Ovulation?

Answer 15

L.H and F.S.H (Pituitary gland)
Progesterone and Oestrogen (Ripening of the ovule)

Question 16

How many days can sperm survive in female genital?

Answer 16

Up to 4 days

Question 17

How many days can the female egg survive?

Answer 17

Up to 2 days

Question 18

Mating

Answer 18

This is the bringing together of gametes, that is coitus or copulation.
It is the introduction of the male organ into the female genital tract.

Question 19

Viviparity

Answer 19

This is the giving birth to young ones alive

Question 20

Ovoviviparity

Answer 20

immature offspring that need to complete development outside the womb