Liza Private Fundamental School Science Grade 9 Past Paper PDF

# Science with Miss Fatma ## Grade 9 ### Name: ### Grade: 9 #### Q1: choose the correct answer: 1. the process that produces sex cells is - A) mitosis - B) meiosis - C) heredity - D) probability 2. probability is most often written as a - A) fraction - B) percentage...

# Science with Miss Fatma ## Grade 9 ### Name: ### Grade: 9 #### Q1: choose the correct answer: 1. the process that produces sex cells is - A) mitosis - B) meiosis - C) heredity - D) probability 2. probability is most often written as a - A) fraction - B) percentage - C) both(A and B) - D) none of them 3. in meiosis, - A) chromosomes are copied twice - B)the nucleus divides once - C)four cells are produced from a single cell - D)two cells are produced from a single cel 4- when a trait is not completely dominant over another, Is called.... - A) recessive - B) incomplete dominance - C) environmental factors - D) uncertain dominance #### Q2:fill in the blanks: 1- Genes are found on chromosomes. 2-damage to the genetic material in skin cells can cause skin cancer. 3- recessive trait is a trait that reappears in the second generation after disappearing in the first generation. ### Q3: In eye color, the allele for a brown eye( B )is dominant, the allele for green eye (b) is recessive. Make a Punnett Square to determine the possible offspring. What will be the genotype and phenotype of the offspring, between two parents with genotype (Bb X bb) | Genotype: | B | b | |---|---|---| | b | Bb | bb | | b | Bb | bb | | Phenotype: | | | |---|---|---| | | 2 brown eye | | | | 2 green eye | | ### Q4: Write the number in the circles matching the steps of mitosis: The image shows four circles. 1. The first circle contains 2 cells, each cell has 2 chromosomes that are connected with each other by a centromere. 2. The second circle contains 2 cells, each cell has 2 chromosomes that are moved to opposite poles. 3. The third circle contains 2 cells, each cell has 2 chromosomes that are pulled to opposite poles. 4. The fourth circle contains 2 cells, each cell has 2 chromosomes. **Bring it back on Wednesday** ## Page 2 ## Science with Miss Fatma ### Name: ### Grade: Nine #### Q1:fill in the blanks with the right answer: 1.The nail grows from the living cells in the nail root 2.Skin color is determined by a chemical substance called melanin 3.damage to the genetic material in skin cells can cause skin cancer 4. skeletal system is the organ system that provides a frame to support and protect your body parts. 5.tissue a group of similar cells that perform a common function 6.a hair forms at the bottom of a tiny sac called a hair follicle 7.connective tissue is a tissue that joins, supports, protects organs 8. the two layers of skin are epidermis, dermis 9. the organ system that returns leaked fluids to blood vessels and helps get rid of bacteria and viruses called lymphatic system #### Q2:list four types of tissue in human body: 1.connective tissue 2.muscle tissue 3.nervous tissue 4.epithelial tissue ### Q3: write down three differences between epidermis and dermis | Epidermis | Dermis | |---|---| | Is the outer most layer. | Is the inner most layer. | | Thin layer. | Thick layer. | | Cells are dead. | Cells are alive. | ### Q4:Label this picture according to the letters: The image shows a cross-section of the skin. - A) skin - B) sweat gland - C) hair follicle ## Page 3 ## Science with Miss. Fatma ### Name: ### Grade: Nine #### Q1:Fill in the blanks: 1.the most obvious parts of your digestive system is a series of tubelike organs called the digestive tract 2 chemical digestion in this type of digestion large molecules are broken down into nutrients. 3 teeth are very important organs for mechanical digestion. 4. premolars are perfect for mashing food 5.after a few hours of combined mechanical and chemical digestion, hour food has been reduced to soupy mixture called chyme 6 saliva contains an enzyme that begins the chemical digestion of carbohydrate. 7 esophagus a long strait tube that connects the pharynx to the stomach. 8 bile breaks large fat droplets into very small droplets. 9. pancreatic fluid contain bicarbonate which neutralizes the acid in chyme. 10. rectum is the last part of the large intestine. 11. nephrons are microscopic filters in the kidney that remove wastes from blood. 12.ADH signals kidneys to take water from the nephrons. 13.bile is temporarily stored in a small, saclike organ called gallbladder 14.there are two types of digestion chemical and mechanical 15. Urinary system problems are bacterial infection, kidney stone And kidney disease #### Q2:write true or false and correct the underlined words: 1.ADH_cause the kidneys to make more urine. **False-diuretics** 2.small intestine has a diameter of about 7.5 cm. **false-large intestine** 3.liver makes bile to breakdown sugar. **false-fats** 4.the breaking, crushing, mashingof food is called chemical digestion. **false- mechanical digestion** ### Q3:write down three functions of liver: 1.makes bile to break up fats 2.stores nutrients 3.breaks down toxins ### Q4:Write down parts of urinary system: The image shows an outline of the human urinary system: - Kidneys - ureter - urinary bladder - urethra ## Page 4 ## Science with Miss Fatma ### Name: ### Grade:Nine #### Q1:Fill in the blanks: 1.the function of menstrual cycle is to prepare body for pregnancy. 2.umbilical cord is a cord that connects the embryo to the placenta. 3.in most girls puberty takes place between the age of 9 and 14 4.infancy in that stage of life nervous system developed. 5. during week 5, the umbilical cord forms. 6.placenta has networks of blood vessels that provides the embryo with oxygen and nutrients from mothers blood. 7.implantation is the embedding of the embryo in the thick nutrient-rich lining of the uterus occurs. 8.a membrane forms around the egg to keep other sperm from entering. 9.wastes produced by embryo are removed in the placenta 10.in asexual reproduction a single parent has offspring that are genetically identical to the parents. 11.budding happens when a part of the parent organism pinches off and forms a new organism. 12.the female parent produce sex cells called ovaries 13.external fertilization the union of sex cells outside the body of a female. 15.the mixture of sperm and fluids of prostate gland called semen 16.during ovulation an egg is released from an ovary and passes into fallopian tube. 17.vagina is the canal between the outside of the body and the uterus. 18.menstrual cycle usually takes 28 days. 19.menstruation is the monthly discharge of blood and tissue from the uterus. 20.when twins are identical and similar it is called identical twins 21.AIDS, Hepatitis B are two disease of STDs. 22.in men two common reproductive system cancers are cancer of the testes and cancer of prostate gland #### Q2:Answer these questions: Three groups of mammals are - 1.monotreme 2. marsupial - 3.placental mammal Reproductive system problems are - 1.STDs 2.cancer - 3.infertility Write down function of testes and ovaries: - Testes:produce sperm Produce main male sex hormone, testosterone - Ovaries:produce egg Produce main female sex hormone, estrogene and progesterone ### Q3:fill in the boxes with suitable names of parts : The image shows a diagram of the male reproductive system: - Prostate gland - Urinary bladder - Pubic bone - Vas deference - Penis - Epididymis - Testis - Scrotum - Urethra ## Page 5 ## Science with miss. Fatma ### Name: ### Grade:Nine 1.substances that provide the materials needed for life processes is called nutrients 2.fats class of nutrients that are energy storage nutrients. 3.minerals are element that are essential for good health. 4.vitamin D this vitamin builds strong bones and teeth helps the body use calcium and phosphorus. 5.food guide pyramid is a tool that you can use to understand how much of each type of food you should eat daily. 6.malnuitrition can result from eating too few or too many calories. 7.bulimia nervosa is a disorder characterized being eating followed by induced vomiting. 8.obesity is having an extremely high percentage of body fat. 9.addiction is the loss of control of drug taking behavior. 10.chamomile is herbal medicine and have chemicals in it that can help you sleep. 11.side effects are uncomfortable symptoms, such as nausea ,headache, drowsinnese, or more serious problems. 12.alcoholism which means they are physically and psychologically dependent on alcohol. 13.a disease that can be passed from one living thing to another is called infectious disease 14. is method of using heat to kill most of the bacteria in the liquids, this method called pasteurization 15.aerobic exercise is vigorous constant exercise of the whole body for 20 min. 16.stress is the physical and mental response to pressure. 17.The alternate freezing and thawing of soil and rock called frost action 18.rain or snow that contain high concentration acid, called acid precipitation 19.oxidation is a chemical reaction in which an element such as iron combines with oxygen to form an oxide. 20.bedrock is the layer of rock beneath soil. 21.erosion is the process by which rocks are abraded and the fragments are transported from one location to another. 22.differential weathering is a process in which softer, less resistant rocks wear away and leave harder, more weather resistant rocks behind. 21.soil structure is the arrangement of soil particles. Q:Write down pathways of pathogene:1.air 2.contaminated objects 3.person to person4.animals 5.food and water Q:write down six classes of nutrients: 1.carbohydrates 2fats 3,protein 4.mineral 5.vitamins 6.water Q:Write down two types of weathering: 1.chemical weathering 2.mechanical weathering Q:Common agents for chemical weathering are 1.water 2.weak acid 3.air Q:What are soil properties: 1.soil texture 2.soil structure 3.soil fertility Q:Enumerate soil conservation techniques: 1.counter plowing 2.No-till farming 3.terracing 4.cover crops 5.crop rotation **No pressure, No diamond** ## Page 6 ## Science with Miss. Fatma ### Name: ### Class:Nine #### Fill in the blanks: 1.the water cycle is the continuous movement of earths water from the ocean to the atmosphere to the land and back to the ocean. 2.Condensation takes place when water vapour cools and changes into water droplets. 3.Watershed is area of land that is drained by a water system. 4.divide the boundary between drainage areas that have streams that flow in opposite directions. 5.a stream that flows into a lake or into a large stream is called tributary 6.many factors including climate, gradient and load influence the development of a river. 7.youthful river river have very few tributaries. 8.mature river river is fed by many tributaries. 9.youthful river river characterized by steep gradient and have many waterfalls. 10.shoreline the boundary between land and a body of water. 11.the wave period is the time interval between breaking waves. 12.sea cliffs are formed when waves erode and undercut rock is produce steep slopes. 13.sea arches form when wave action continues to erode a sea cave. 14.headlands form when cliffs made of hard rock erode more slowly than surrounding rock. 15.beach is any area of the shoreline made up of material deposited by wave or rivers. 16.saltation is the skipping and bouncing movement of sand-sized particles in the direction the wind blowing. 17.the removal of fine sediment by wind is called deflation 18.the mounds of wind-deposited sand are called dunes 19.mass movement a movement of a section of land down a slope. 20.landslide is the sudden and rapid movement of a large amount of material downslope. 21.a rock fall happens when loose rocks fall down a steep slope. Q:the basic ingredients are necessary to make sand rock and energy Q:the stages of river development are divide into: 1.youthful river 2.mature river 3.old rivers 4.rejuvenated rivers **Be a source of inspiration** ## Page 7 ## Science with Miss. Fatma ### Name: ### Class:Nine #### Q1:Fill in the blanks: 1.Stars are actually huge, hot, bright balls of gas that are trillions of kilometers away from earth. 2.scientists consider red and yellow to be cool colors like betelgeuse and blue to be warm color like rigel. 3.Spectrum the band of color produced when white light passes through a prism. 4.astronomers use an instrument called spectrograph to break a stars light into a spectrum. 5.the spectrum of a star is called an absorption spectrum. 6.positive numbers represent dimmer stars, and negative numbers represent brighter stars. 7.A light-year is the distance the light travels in one year. 8.A stars apparent shift in position is called parallax 9.Red giant is a star that expands and cools once it uses all of its hydrogen. 10.white dwarf is a small hot star that is the leftover center of an older star. 11.Supernova is gigantic explosion in which a massive star collapses and throws its outer layer into space. 12.Astar that has collapsed under gravity to the point at which all of the stars particles are neutrons is called neutron star 13.If neutron star is spinning, it is called a pulsar 14.Black hole is an object that is so massive that light cannot escape its gravity. 15.Large group of billions of stars, dust, and gas are called galaxies 16.Edwin Hubble classified galaxies mostly by their shapes 17.Irregular galaxies are galaxies that do not fit into any class of Hubble's classification. #### Q2:Write three types of galaxies: - 1.Spiral galaxies - 2.Elliptical galaxies - 3.Irregular galaxies ## Page 8 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Monthly exam ### 2024-2025 ### Class: ### Subject: Science ### Date: | | 2024 ### Duration:40 minutes #### Q1/Choose the correct answer: (10 Marks) 1-the process that produces sex cells is - A) Mitosis - B) Meiosis - C) Heredity - D) Probability 2- probability is most often written as a - A) Fraction - B) Percentage - C) Both(A and B) - D) None of them 3- The nail grows from the living cells in the........... - A) Nail body - B) Nail edge - C) Epidermis - D) Nail root 4- Skin color is determined by a chemical substance called. - A) Collagen - B) Keratin - C) Melanin - D) Fibers 5- damage to the genetic material in skin cells can cause - A) Skin cancer - B) Acne - C) Albinism - D) None of them 6-..............provides a frame to support and protect your body parts. - A) Nervous system - B) Skeletal system - C) Urinary system - D) Respiratory system 7- the passing of genetic traits from parents to offspring is called........... - A) Allele - B) Gene - C) Heredity - D) Probability 8- when a trait is not completely dominant over another, is called.. - A) Recessive - B) Uncertain dominance - C) Environmental factors - D) Incomplete dominance 9- Genes are found on - A) Protein - B) Chromosomes - C) Alleles - D) Sex cells 10-a group of similar cells that perform a common function - A) Tissue - B) Organ system - C) Organ - D) Organism #### Q2/ Correct these sentences by only changing the underlined word. (3 Marks) 1-Dominant trait is a trait that reappears in the second generation after disappearing in the first generation . **Recessive trait** 2-male have two X chromosomes (XX). **female** 3-An organism's appearance or other detectable characteristics is called genotype. **phenotype** ### Q3/ In seed color, the allele for a yellow seed(R)is dominant, the allele for green seed (r) is recessive Make a Punnett Square to determine the possible offspring. What will be the genotype and phenotype of the offspring, between two parents with genotype (Rr X rr) (4 Marks) | Genotype: | R | r | |---|---|---| | r | Rr | rr | | r | Rr | rr | | Phenotype : | | | |---|---|---| | | 2 yellow seed | | | | 2 green seed | | #### Q4/ write down three differences between epidermis and dermis (3 Marks) | Epidermis | Dermis | |---|---| | 1. is the outer most layer | 1.is the inner most layer | | 2.thin layer | 2.thick layer | | 3.cells are dead | 3.cells are alive | **GOOD LUCK** **Examiner: Fatma Najat** ## Page 9 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Monthly exam ### 2024-2025 ### Class: ### Subject: Science ### Date: | | 2024 ### Duration:40 minutes #### Q1/Choose the correct answer: (10 Marks) 1-The mixture of food enzyme and acids in the stomach is called. - A) Chyme - B) Pancreas - C) Base - D) Hormone 2-The esophagus connects the - A) Pharynx to the stomach - B) Stomach to the small intestine - C) Kidneys to the nephrons - D) Stomach to the large intestine 3- Types of digestion are... - A) Mechanical digestion - B) Chemical digestion - C)None of them - D)Both of them 4-The hormone that signals the kidneys to make less urine is - A) GH - B) ADH - C) ACD - D) ATP 5-The ............... is a large, reddish brown organ that helps with digestion. - A)Pancreas - B) Liver - C)Stomach - D) Large intestine 6-......................are pair of organs that constantly clean the blood. - A) Stomach - B)Uterus - C)Tests - D)Kidneys 7- The ................is the last part of large intestine. - A) Rectum - B) Pancreas - C) Liver - D) Anus 8- Bile is temporarily stored in a small,saclike organ called. - A) Pancreas - B) Kidneys - C)Gallbladder - D)Liver 9-The inside wall of small intestine is covered with fingerlike projections called... - A)Bile - B) Villi - C) Nephron - D)Kidney 10-..................the organ that breaks down food so that it can be used by the body. - A)Integumentary system - B)Skeletal system - C) Nervous system - D)Digestive system #### Q2:Fill in the blanks with the words in the box: (6 Marks) - Urinary system - Digestive tract - Liver - Saliva - Kidney stone - Pancreas 1.Breaking down toxins is the function of **liver**. 2.The most abvios part of digestive system is a series of tubelike organs called the **digestive tract**. 3. The **pancreas** is an oval organ located between the stomach and small intestine. 4. One of urinary system problems is **kidney stone**. 5. **Saliva** contains an enzyme that begins the chemical digestion of carbohydrate. 6.Urinary system the organs that produce, store, and eleminate urine. ### Q3:Label the picture bellow with the words in the box: (4Marks) - Urinary bladder - Kidney - Urethra - Ureter The image shows an outline of the human urinary system: - **Kidneys** - **Ureter** - **Urinary bladder** - **Urethra** **Good luck** **Examiner: Fatma Najat Sabir** ## Page 10 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Weekly exam ### 2024 - 2025 ### Class: ### Subject: Science ### Date: 3/12/2024 ### Duration: 10 Minutes #### Q1:Fill in the blanks with the words from the box: (8 Marks) - Oxidation - acid precipitate - weak acid - Frost action 1.rain, snow, that contain high concentration of acids is called **acid precipitation** 2-oxidation is a chemical reaction in which an element such as iron, combines with oxygen to form an oxide. 3.common agents of chemical weathering are water, air, and **weak acid** 4.the alternate freezing and thawing of soil and rock called **frost action** #### Q2:write down types of weathering: (2 Marks) - 1.mechanical weathering - 2.chemical weathering **Set by: Fatma Najat** ## Page 11 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Weekly exam ### 2024 - 2025 ### Class: ### Subject: Science ### Date: 10/12/2024 ### Duration:10 Minutes #### Q1:Fill in the blanks with words in the box: (6Marks) - Residual soil - Soil texture - Humus - Acid - Basic - Transported soil 1.Soil texture is the soil quality that based on the properties of soil particles. 2.Humus is the organic material formed in soil from the decayed remains of plants and animals. 3.Soils that has pH below 7 is **acid** and soil that has pH below 7 is **basic** 4.Soil that remains above its parent rock is called **residual soil**, but soil can be blown or washed away from its parent rock, this soil is called **transported soil** #### Q2:write down two types of rock: (4 Marks) - 1.Parent rock - 2.Bedrock **Set by: Fatma Najat** ## Page 12 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Weekly exam ### 2024 - 2025 ### Class: ### Subject: Science ### Date: 5/11/2024 ### Duration: 10 Minutes #### Q1:Choose the correct answer: (7Marks) 1. .................is the main male sex hormone. - A) estrogen - B) progesterone - C) testosterone 2. during.......... .......an egg released from an ovary and passes into a fallopian tube. - A) ovulation - B) fragmentation - C) implantation 3.the mixture of sperm and fluids is called. - A)sperm - B)prostate gland fluid - C)semen 4)........is the organ in which an embryo develops into a fetus. - A)vagina - B)uterus - C)ovaries 5)a sperm leaves a testis they are stored in a tube called an.............. - A)prostate gland - B)penis - C)epididymis 6)the two......are the organs that makes eggs - A) uterus - B)vagina - C)ovaries 7)................ ......are twins that look very different from each other - A)identical twin - B)fraternal twin - C)triplets #### Q2:write down reproductive system problems: (3Marks) - 1.STDs - 2.cancer - 3.infertility **Set by: Fatma Najat** ## Page 13 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Weekly exam ### 2024 - 2025 ### Class: ### Subject: Science ### Date: 14/10/2024 ### Duration: 10 Minutes #### Q1:Fill in the blanks with the words from the box (7Marks) - fraction - albinism - gene - Punnett square - Percentage - genotype - allele 1. **gene** one set of instructions for an inherited trait. 2. **allele** one of the alternative forms of a gene that governs a characteristic, such as hair color. 3.A **Punnett square** is used to organize all the possible combinations of offspring from particular parents. 4.Probability is most often written as a **Percentage, fraction**. 5. **genotype** the entire genetic makeup of an organism, also the combination of genes for one of more specific traits. 6. **albinism** prevents hair, skin, and eye from having normal coloring. #### Q2:What are three exceptions of mendelian heredity? (3Marks) - 1.incomplete dominance - 2.one gene, many traits - 3.many genes, one trait **Set by Fatma Najat** ## Page 14 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Weekly exam ### 2024 - 2025 ### Class: ### Subject: Science ### Date: 29/10/2024 ### Duration: 10 Minutes #### Q1: Choose the correct answer: (6Marks) 1.The nail grows from the living cells in the............ - A) nail body - B) nail edge - C) epidermis - D) nail root 2.Skin color is determined by a chemical substance called.... - A) collagen - B) keratin - C) melanin - D) fibers 3.Damage to the genetic material in skin cells can cause - A)Skin cancer - B)Malaria - C)Acne - D)Infection #### Q2:write difference between epidermis and dermis: (4Marks) | Epidermis | Dermis | |---|---| | 1.is the outer most layer | 1. is the inner most layer | | 2.thin layer | 2.thick layer | | 3.cells are dead | 3.cells are alive | | 4.cells filled with protein called keratin | 4.cells filled with protein called collagen | **Set by: Fatma Najat** ## Page 15 ## Liza Private ## Fundamental School ## Grade: Nine ## Name: ### First - semester ### Weekly exam ### 2024 - 2025 ### Class: ### Subject: Science ### Date: 29/10/2024 ### Duration: 10 Minutes #### Q1: Choose the correct answer: (6Marks) 1.The nail grows from the living cells in the............ - A) nail body - B) nail edge - C) epidermis - D) nail root 2.Skin color is determined by a chemical substance called.... - A) collagen - B) keratin - C) melanin - D) fibers 3.Damage to the genetic material in skin cells can cause - A)Skin cancer - B)Malaria - C)Acne - D)Infection #### Q2:write difference between epidermis and dermis: (4Marks) | Epidermis | Dermis | |---|---| | 1.is the outer most layer | 1. is the inner most layer | | 2.thin layer | 2.thick layer | | 3.cells are dead | 3.cells are alive | | 4.cells filled with protein called keratin | 4.cells filled with protein called collagen | **Set by: Fatma Najat**