Mating MCQs (human and animals)

a female oyster, Every season releases about _ eggs into the water

1.02 trillion
1 billion
60 million
10 million

Correct Answer

 60 million

the length of time the fetus is developing inside a female mammal is called?

Gestation period
Menstrual period
Fertilization period
None of these

Correct Answer

Gestation period

Gestation period in deer is approximately?

2 months
five or six months
2 years
3 years

Correct Answer

 five or six months

_ keeps a check on how much of the hormones estrogen and progesterone are floating through the bloodstream

Spinal cord
thalamus
Hypothalamus
None of these

Correct Answer

Hypothalamus

When the levels of the hormones estrogen and progesterone in bloodstream decline, the hypothalamus secretes a hormone called _ hormone
gonadotropin-releasing
Insulin
Glucagon
thyroxin

Correct Answer

gonadotropin-releasing

The _ can detect when the levels of estrogen and progesterone have reached the point where the lining of the uterus is ready for implantation

Spinal cord
thalamus
Hypothalamus
None of these

Correct Answer

Hypothalamus

If fertilization Has occurred: The fertilized egg implants in the lining of the uterus
and an embryo begins developing. That embryo immediately starts to
secrete the hormone _

Insulin
Glucagon
thyroxin
human chorionic gonadotropin

Correct Answer

human chorionic gonadotropin

The presence of _ ensures that estrogen and progesterone production continue so the lining of the uterus remains nourished by larger blood vessels

Insulin
Glucagon
thyroxin
human chorionic gonadotropin

Correct Answer

human chorionic gonadotropin

Endometrium is?

Lining of uterus
fetus
Vaginal cavity
None of these

Correct Answer

Lining of uterus

Ovarian cycle takes about _ to go from beginning to end

13 days
28 days
1 month
2 months

Correct Answer

28 days

After a follicle develops and releases an egg, the empty follicle is called?

corpus luteum
Spermatozoa
ovary
Endometrium

Correct Answer

corpus luteum

__ helps keep the lining of the uterus rich with blood and nutrients for the developing embryo

testosterone
progesterone
Insulin
oxytocin

Correct Answer

progesterone

Human Mating MCQs

in human eggs, the zone that prevents fertilization by a different species is called?

zona pellucida
corpus luteum
Spermatozoa
Endometrium

Correct Answer

zona pellucida

the male reproductive system is made up of?

the penis
the testes
the seminiferous tubules
All of these

Correct Answer

All of these

The female reproductive system consists of?

the vagina
the uterus
the ovaries
the fallopian tubes
All of these

Correct Answer

All of these

In females, the _ is the sexually sensitive organ

the fallopian tubes
the uterus
clitoris
None of these

Correct Answer

clitoris

_ is the bottom end of the uterus

cervix
clitoris
vagina
None of these

Correct Answer

cervix

tubules in the scrotum that store produced sperm are called?

the fallopian tubes
epididymides
clitoris
vagina

Correct Answer

epididymides

tubes that carry sperm from the scrotum to the urethra are called?

the fallopian tubes
epididymides
clitoris
vas deferens

Correct Answer

vas deferens

Semen includes _

A pH of 7.5
Prostaglandins
Fructose
All of these

Correct Answer

All of these

_ gives the sperm energy to swim upstream

glycerol
Fructose
valine
None of these

Correct Answer

Fructose

_ cause contractions of the uterus that help propel the sperm upward.

Prostaglandins
Insulin
Glucagon
adrenaline

Correct Answer

Prostaglandins

The average amount of semen expelled during one ejaculation contains _ sperm

less than 400 million
more than 400 million
more than 1 billion
More than 10 billion

Correct Answer

more than 400 million

To fertilize the egg, the sperm produces enzymes in a structure near its nucleus called?

Amylase
protease
acrosome
Lipase

Correct Answer

acrosome

Animals Mating MCQs

The process by which bees reproduce is called?

spermatogenesis
parthenogenesis
Parthenocarpy
oogenesis

Correct Answer

parthenogenesis

_ in bird’s egg serves to nourish the embryo throughout its development

Albumen
yolk
clitoris
None of these

Correct Answer

Albumen

The __ is the initial cell tissue that begins to develop into a baby bird
Blastoderm
epithelial
spermatozoa
None of these

Correct Answer

Blastoderm

The blastoderm is the initial cell tissue that begins to develop into a baby bird; it separates into a _, which is the top layer

Hypoblast
metablast
epiblast
None of these

Correct Answer

epiblast

The blastoderm is the initial cell tissue that begins to develop into a baby bird; it separates into a epiblast, which is the top layer and __, which is lower layer

Hypoblast
metablast
epiblast
None of these

Correct Answer

Hypoblast

_ are hermaphrodites

insects
herbivores
humans
Earthworms

Correct Answer

Earthworms

job of _ is to secrete mucus and help the sperm get from the vas deferens of one worm to the seminal receptacle of the other worm

citella
Hypoblast
metablast
epiblast

Correct Answer

citella

_ are the external, smooth, nonsegmented parts of an earthworm

Hypoblast
metablast
epiblast
citella

Correct Answer

citella

Which of these can reproduce both asexually and sexually?

insects
Planarian worms
earthworms
None of these

Correct Answer

Planarian worms

Chimpanzees have _ chromosomes per cell

46
48
44
40

Correct Answer

48

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