Gametogenesis

Gametogenesis

Assessment

Interactive Video

Biology

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains the processes of spermatogenesis and oogenesis, detailing the phases involved in the formation and maturation of sperm and ova. It describes the structure of sperm, highlighting its components such as the head, neck, middle piece, and tail, and the role of mitochondria in motility. The tutorial also covers the structure of the ovum, including its nucleus and surrounding layers. Hormonal control of spermatogenesis is discussed, emphasizing the roles of LH and FSH.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of luteinizing hormone (LH) in spermatogenesis?

It stimulates the Sertoli cells to secrete factors.

It acts on Leydig cells to secrete androgens.

It directly stimulates sperm production.

It inhibits the secretion of androgens.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During which phase do spermatogonia stop dividing and start growing?

Multiplication phase

Growth phase

Maturation phase

Spermiogenesis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the acrosome in the sperm head?

It connects the head and the middle piece.

It contains enzymes to penetrate the ovum.

It provides energy for motility.

It encloses the sperm in a plasma membrane.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the sperm contains mitochondria?

Neck

Head

Middle piece

Tail

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what stage does oogenesis begin in females?

At birth

During puberty

During embryonic development

After fertilization

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary follicle surrounded by?

A zona pellucida

A fluid-filled cavity

Multiple layers of theca cells

A single layer of granulosa cells

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What triggers the completion of the second meiotic division in oogenesis?

Release of the first polar body

Formation of the Graafian follicle

Fertilization by a sperm

Ovulation

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