7 TH GRADE FINAL EXAM PRACTICE TEST. Part I: Cells. 1. The cell grows to its mature size during. a. mitosis b. prophase c. telophase d.

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1 7 TH GRADE FINAL EXAM PRACTICE TEST Part I: Cells 1. The cell grows to its mature size during a. mitosis b. prophase c. telophase d. interphase 2. The final stage of the cell cycle is called a. interphase b. cytokinesis c. mitosis d. telophase 3. DNA replication occurs during a. prophase b. cytokinesis c. metaphase d. interphase 4. Diffusion is a. the movement of water across a semi permeable membrane b. the movement of small molecules across a semi permeable membrane c. a concentration difference d. a mode of active transport 5. The products of photosynthesis are a. cardon dioxie and water b. water and oxygen c. glucose and carbon dioxide d. glucose and oxygen 6. The raw materials of respiration are a. glucose and carbon dioxide b. water and glucose c. oxygen and glucose d. water and oxygen

2 7. Respiration takes place primarily in which organelle a. mitochondria b. ribosomes c. nucleus d. endoplasmic reticulum 8. Which organelle is commonly referred to as the control center of the cell a. lysosome b. nucleolus c. ribosome d. nucleus 9. Which of the organelle captures the sun s energy in plant cells? a. Mitochondira b. Vacuole c. Chloroplast d. Cytoplasm 10. A structure found in a plant cell and not in an animal cell is a. Cell membrane b. Cell wall c. Nucleus d. Nuclear envelope 11. The organelle that is responsible for the transport of proteins is a. Mitochondria b. Endoplasmic reticulum c. Ribosome d. Lysosome

3 Use the diagram below to answer questions A B C D 12. Figure A represents a cell in a. Interphase b. Telophase c. Prophase d. Anaphase 13. Figure B represents a cell in a. Prophase b. Telophase c. Anaphase d. Metaphase

4 14. Figure C represents a cell in a. Cytokinesis b. Metaphase c. Telophase d. Anaphase 15. Figure D represents a cell in a. Telophase b. Anaphase c. Metaphase d. Cytokinesis

5 Part II: Human Body 1. The connective tissue that connects two bones is call a. tendon b. cartilage c. spongy bone d. ligament 2. An example of a ball-and-socket joint is a. neck b. hip c. wrist d. ankle 3. Muscles found only in the heart are called a. smooth muscle b. skeletal muscle c. cardiac muscle d. arteries After reading the scenarios below, decide if the set of muscles being described are involuntary or voluntary. Please write I or V on the blank. 4. You take a slapshot in a hockey game. 5. You re eyes blink while you watch TV. 6. You re stomach digests the lunch you ate. 7. You run up the steps two at a time. 8. You type on your computer. 9. Tiny hairlike structures that sweep mucus from the nose into the throat are called a. alveoli b. bronchi c. cilia d. vili

6 10. Gas exchange occurs in the a. Alveoli b. Bronchi c. Diaphragm d. Larynx 11. To completely relax the muscles of the respiratory system, one must a. Exhale b. Inhale c. Hold your breath d. Both a and c 12. A simple carbohydrate that serves as a major source of energy for your body is a. glucose b. vitamin K c. protein d. fiber 13. The stomach produces pepsin which breaks down a. fat b. carbohydrates c. protein d. both a and b 14. The correct path of food through the body is a. mouth-esophagus-stomach-small intestine-large intestine b. mouth-esophagus-stomach-large intestine-small intestine c. mouth-stomach-esophagus-small intestine-large intestine d. mouth-stomach-esophagus-large intestine-small intestine 15. The primary function of the vili in the small intestine is to a. prepare waste for elimination b. sweep food into the large intestine c. produce bile d. absorb nutrients into the bloodstream

7 16. The blood vessels that carries blood to your heart are called a. arteries b. capillaries c. veins d. atriums 17. The component of blood that carries oxygen is called a. plasma b. platelets c. red blood cells d. white blood cells 18. A cell that carries information through your nervous system is a a. neuron b. axon c. nerve d. dendrite 19. The brain stem a. is associated with artistic ability and mathematical skill b. regulates breathing c. lies between the cerebellum and the cerebrum d. is the second largest part of the brain 20. The type of neuron that delivers a message to a gland is a. an interneuron b. a dendrite c. a sensory neuron d. a motor neuron 21. A kind of white blood cell that destroys pathogens is a(n) a. histamine b. phagocyte c. antibiotic d. toxin

8 22. Which of the following is NOT a pathogen a. Bacteria b. Virus c. Toxin d. Protist 23. One function of T cells is to a. recognize antigens b. produce antibodies c. make pathogens and stick together d. keep pathogens from attaching to body cells 24. All of the following are part of the body s inflammatory response EXCEPT a. Fever b. Inflammation c. The production of toxins d. The destruction of pathogens by phagocytes 25. Bone 25 on the skeleton is the a. mandible b. femur c. clavicle d. phalanges 26. Bone 26 on the skeleton is the a. Cranium b. Pelvis c. Tibia d. Fibula 27. Bone 27 on the skeleton is the a. Phalanges b. Carpals c. Tarsals d. Patella

9 28. Bone 28 on the skeleton is the a. Humorous b. Sternum c. Vertebrae column d. Clavicle

10 Part III: Genetics 1. Gregor Mendel is credited for what discovery? a. The theory that offspring have traits similar to their parents b. That cells contain DNA c. That genes can change and mutate d. The idea of probability 2. Homozygous describes a pair of a. Identical alleles b. Two different alleles c. a hybrid organism d. identical twins 3. Two alleles that are neither dominant or recessive are said to be a. Identical b. Co-dominant c. Purebred d. Hybrid F f F f 4. In humans, having freckles (f) is a recessive trait, while no freckles (F) is dominant. What percent of the offspring have freckles? a. 50% b. 75% c. 100% d. 25%

11 CC CC Cc Cc 5. In pigs, curly tails (C) are dominant over straight tails (c). What are the genotypes of each parent? a. Cc and CC b. cc and CC c. Cc and Cc d. CC and CC

12 Part IV: Simple Machines Lable each simple machine below as either: Lever Pulley Screw Inclined Plane Wheel and Axle Wedge

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