science nat parallel test2

4 Division of City Schools City of Muntinlupa District of Muntinlupa I Tunasan Elementary School PARALLEL TEST in NAT SCIENCE VI SY 2012-2013 LEARNING OBJECTIVE: Identify major parts of male and female reproductive system/ and their functions. 1. The union of egg cell from female organ and the sperm cell from the male organ is known as fertilization. Life begins when fertilization takes place. In which part of the drawing below does fertilization happen? a. 1 b. 2 c. 3 d. 4 2. Which reproductive organ produces the hormone that develops the secondary characteristics of human female? a. Uterus b. testes c. scrotum d. ovary 3. What hormone produced by the testes is responsible for the changes experienced by boys at the onset of puberty? a. estrogen b. progesterone c. testosterone d. semen 4. Which is NOT a function of the female r eproductive system? a. Produce eggs c. house an unborn baby b. Deliver sperm d. give birth 5. When does fertilization happens? a. When the testes release sperm b. When the ovary releases an egg c. When a sperm cell enter s the fallopian tube d. When a sperm cell unites with an egg cell OBJECTIVE: Explain how the respiratory system works. 1. Why are the lungs also considered as organs of excretion? a. They remove nitrogenous waste from the blood. b. They remove salts from the blood. c. They remove carbon dioxide from the blood. d. They remove oxygen from the blood. 2. How do respiratory and circulatory system work together? a. Respiratory system brings in the oxygen and the circulatory system transport it through the body. b. Transport nutrients and oxygen and remove wastes from the cells. c. Bringing oxygen into the body and removing carbon dioxide. d. Carry nutrients and oxygen to the ve ins. 3. What happens when you breathe in? a. The diaphragm expands and ribcage contracts b. The diaphragm contracts and ribcage expands c. The diaphragm explodes and ribcage contracts. d. The diaphragm contracts and expands. 1 2 3

science nat parallel test2

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