Pretest-in-Grade-9-Science.docx - PRETEST\/POST TEST in Grade 9 SCIENCE Direction Write the letter of the correct answer in your paper 1 In what part of

Pretest-in-Grade-9-Science.docx - PRETEST/POST TEST in...

This preview shows page 1 - 2 out of 3 pages.

PRETEST/POST TEST in Grade 9 SCIENCEDirection: Write the letter of the correct answer in your paper.1. In what part of the respiratory system does gas exchange occur?a. lungsb. alveolic. diaphragmd. bronchial tubes2. Which body system is responsible for gas exchange in the body?3. What blood vessel carries away blood from the heart?4. In which part of the heart will the deoxygenated blood enter from the other parts of the body?5. An addictive drug present in tobacco smoke is ___________.a. tarb. nicotinec. carbon monoxided. hydrogen cyanide6. Alleles at particular locations are called____________.a. geneb. alleled. gene locusd. location of trait7. If an egg cell is fertilized by a sperm with Y chromosomes, what will be its offspring?8. Which of the following is the MAIN cause of wildlife extinction?9. Photosynthesis is a process of food making done by plants and autotrophic organisms. Where does photosynthesis takes place?10. Cellular respiration breaks down organic molecules for the production of ATP. Where can you find this process?a. cell wallb. cytoplasmc. chloroplastd. mitochondrion

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture