Evaluation Svt 4eme Reproduction Sexuee May 2026

The Case of the Missing Chicks: An SVT Evaluation

Background: You are a junior biologist at "Ferme Bio des Collines." The farmer, Monsieur Dubois, is panicked. His prize-winning hen, "Piplette," has been sitting on a dozen eggs for three weeks, but only three chicks have hatched. He suspects a problem with the rooster, "Coq Rico." Your Mission: Analyze the documents, answer the questions, and write a final report explaining why most eggs did not hatch.

2. Compétences Clés Évaluées

Partie 4 : Méthodologie – Comment répondre aux questions types ?

Part 1: Knowledge Check (10 points)

1. Vocabulary Match (4 pts): Draw a line connecting the term to its correct definition.

| Term | Definition | | :--- | :--- | | Gamète | A. The fusion of a sperm cell and an egg cell. | | Fécondation | B. The organ where the embryo develops in mammals. | | Utérus | C. A sex cell (sperm or egg) containing 23 chromosomes. | | Ovipare | D. An animal that lays eggs (e.g., a hen). | evaluation svt 4eme reproduction sexuee

2. Fill in the blanks (3 pts): Complete the paragraph using these words: testicules, ovules, spermatozoïdes, ovulation, pénis, fécondation.

"In a rooster, male gametes called _______________ are produced in the _______________. In a hen, the female gametes are the _______________. The release of an egg from the ovary is called _______________. For a chick to form, _______________ must occur inside the hen's body before the shell is formed." The Case of the Missing Chicks: An SVT

3. True or False (3 pts): Correct the false statements.

a) Sexual reproduction requires two parents of opposite sexes. (T / F) b) In hens, fertilization is external (outside the body). (T / F) c) The egg white (albumen) is the actual embryo of the chick. (T / F) "In a rooster, male gametes called _______________ are

Part 1 Answers:

  1. Gamète → C ; Fécondation → A ; Utérus → B ; Ovipare → D
  2. spermatozoïdes ; testicules ; ovules ; ovulation ; fécondation
  3. a) T ; b) False – Correction: In hens, fertilization is internal (inside the body before the eggshell forms). ; c) False – Correction: The egg white nourishes the embryo; the germinal disc (small spot on yolk) is the embryo.

B. L’appareil reproducteur – Schéma à savoir légender

  • Mâle : Testicules (fabriquent les spermatozoïdes et la testostérone), canaux déférents (transport), prostate (liquide séminal), urètre, pénis.
  • Femelle : Ovaires (fabriquent les ovules et les hormones), trompes de Fallope (lieu de la fécondation), utérus (nid pour l’embryon), vagin, vulve.

Astuce entraînement : Sur une feuille, dessinez un schéma simplifié sans les noms, puis entraînez-vous à légender au brouillon. C’est l’exercice le plus fréquent en évaluation.