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Reproduction and Development Trivia Quiz

This is a quiz based on the Reproduction and Development lecture course I studied in my first year at university, therefore it is intended for people who have had at least final year high school Biology. Have fun!

A multiple-choice quiz by reeshy. Estimated time: 6 mins.

Author
reeshy

Time
6 mins

Type
Multiple Choice

Quiz #
308,367

Updated
Dec 03 21

# Qns
10

Difficulty
Very Difficult

Avg Score
4 / 10

Plays
1384

One at a Time - Single Page - Timed Game

Question 1 of 10

1. Sertoli cells are involved in testosterone production.

True

False

NEXT>

Question 2 of 10

2. Approximately how many mature eggs does a woman release during her lifetime? Hint

1000

600

250

400

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Question 3 of 10

3. On which day of the menstrual cycle does the corpus luteum break down? Hint

Day 28

Day 14

Day 1

Day 5

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Question 4 of 10

4. During which of these ovarian phases are both estrogen AND progesterone produced? Hint

All of these

Ovulation

Luteal phase

Follicular phase

5. The acrosome is an organelle situated in the head of the sperm. It is filled with digestive enzymes, and when the sperm enters the female tract, the acrosomal membrane fuses with the sperm membrane, exposing the sperm's receptor for the egg protein to attach to. This reaction is given the somewhat obvious name of the acrosome reaction, but which of these terms is another name for it? Hint

Capacitation

Both of these

Decapitation

Neither of these

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Question 6 of 10

6. When the sperm gets through the zona pellucida and into the egg cytoplasm, its pronucleus then fuses with the egg pronucleus to create the zygote. There are two methods of blocking polyspermy (the fertilization of the egg by more than one sperm). What are these blocks known as? Hint

cellular and membrane

one and two

fast and slow

liquid and solid

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Question 7 of 10

7. Okay, onto the placenta. The maternal blood supply mixes frequently with the fetal blood supply during the exchange of waste materials and nutrients.

True

False

NEXT>

Question 8 of 10

8. The first three major groups of cells to develop are named the endoderm, ectoderm, and the...? Hint

Epiderm

Mesoderm

Exoderm

Gastroderm

NEXT>

Question 9 of 10

9. Homeotic genes are genes which specify anatomical identity to different parts of the embryo, e.g. which side will be the anterior and which will be the posterior. Also called segmentation genes, what are they normally known as when talking about vertebrates? Hint

Homeotic genes

Vertebrate genes

Embryo determining genes

Hox genes

NEXT>

Question 10 of 10

10. A bit of a bonus question here: If the zygote consists of only one cell, and the average adult consists of about 100 trillion (10^14) cells, approximately how many cell divisions would have to occur between zygote and adult? Hint

1005

645

374

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Quiz Answer Key and Fun Facts

1. Sertoli cells are involved in testosterone production.

Answer: False

Leydig cells are actually involved in testosterone production.

Sertoli cells are also called nurse cells. They are part of the seminiferous tubules, and are involved in spermatogenesis. The cells cannot proliferate when they are fully developed.

2. Approximately how many mature eggs does a woman release during her lifetime?

Answer: 400

The answer is about 400. After going through puberty at approximately the age of 13, a woman releases one egg per month for about 33 years until the menopause.

Chimpanzees experience overt menstruation just like humans!

3. On which day of the menstrual cycle does the corpus luteum break down?

Answer: Day 28

The answer is Day 28. The corpus luteum develops from the follicle remnant after ovulation has occurred, and progesterone is produced. "Corpus luteum" is Latin for "yellow body", a name given due to the high lipid content that is synthesized within it.

4. During which of these ovarian phases are both estrogen AND progesterone produced?

Answer: Luteal phase

As explained with the last question, progesterone is produced by the corpus luteum, which, suggested by the name, is present during the luteal phase. Estrogen, however, is produced throughout the menstrual cycle.

Answer: Capacitation

The answer is capacitation. The acrosome is then free to bind to the egg protein, upon which it releases its hydrolytic enzymes which digest a layer outside of the egg membrane called the zona pellucida.

Answer: fast and slow

The two blocks against polyspermy are known as the fast block and the slow block.

The fast block occurs when the first sperm enters the egg, which then causes the membrane of the egg to become depolarized, i.e. its transmembrane potential is reduced, making it harder for subsequent sperm to cross the membrane and fertilize the egg.

The slow block is a consequence of the fast block: the depolarization causes cortical granules within the egg cytoplasm to release their enzymatic content to the zona pellucida, which then interferes with the function of the receptor proteinon the acrosome of the sperm.

7. Okay, onto the placenta. The maternal blood supply mixes frequently with the fetal blood supply during the exchange of waste materials and nutrients.

Answer: False

In fact, the maternal blood NEVER mixes with the fetal blood. Instead, the maternal blood leaks into the placenta, and bathes the fetal arterioles and veins, allowing for transfer of materials. The two blood supply never come into direct contact. Toxins like tobacco smoke can also cross this barrier and harm the fetus, so it is important not to smoke during pregnancy, but I'm sure you all knew that!

8. The first three major groups of cells to develop are named the endoderm, ectoderm, and the...?

Answer: Mesoderm

The correct answer is mesoderm, which goes on to form structures such as the skeleton, muscle and blood. The endoderm eventually forms the gastrointestinal tract, and the ectoderm forms the skin.

Answer: Hox genes

The answer is Hox genes.

Homeotic genes encode transcription factors for proteins. It is the relative concentrations of these certain proteins that determines body axes.

Answer: 47

Yup, only 47 divisions. The one-celled zygote divides by mitosis into 2 cells, which then each go on to divide into 2, giving a total of 4, then 8, then 16, and so on. The mathematics behind this is simply 2^47 = approx. 10^14.

I hope you enjoyed playing my quiz, and maybe you learned something new. Please remember to rate and happy playing!

Source: Author reeshy

This quiz was reviewed by FunTrivia editor crisw before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.

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Referenced Topics

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