AL NAJAH PRIVATE SCHOOL

ACADEMIC YEAR 2015 – 2016

TERM–1Science Revision

Circle the correct answer

  1. What do all the organisms in the picture below have in common?

a.They are all reptiles.

b.They are all amphibians

c.They are all vertebrates.

d.They are all echinoderms.

  1. The part of the cell that stores the water and nutrients is .....
  1. chloroplast
  2. cytoplasm
  3. vacuole
  4. mitochondria
  1. The ______is the jellylike substance that holds the organelles of the cell in place.
  1. Vacuole
  2. Cytoplasm
  3. Chloroplast
  4. Cell membrane
  1. Which of the following is found in a plant cell and not in an animal cell?
  1. cytoplasm
  2. nucleus
  3. cell wall
  4. small vacuole
  1. Which of the following is not a part of the system in the picture?
  1. Lungs
  2. Liver
  3. Alveoli
  4. Bronchiole
  1. The windpipe is also known as the ______.
  1. Esophagus
  2. The small intestine
  3. The bronchi
  4. The trachea
  1. The main function of the respiratory system is to ......
  1. Help fight infection
  2. Digest food
  3. Take in carbon dioxide and give off oxygen
  4. Take in oxygen and give off carbon dioxide.
  1. Exchange of gases occurs in ______which are also known as ‘air sacs’.
  1. Trachea
  2. Esophagus
  3. Alveoli
  4. Bronchi
  1. Which blood vessel has thick walls and carries blood away from the heart and around the body?
  1. Arteries
  2. Capillaries
  3. Ureters
  4. Veins
  1. With circulation, the heart provides your body with....
  1. Oxygen
  2. Carbon dioxide
  3. Digestive juices
  4. None of the above
  1. The primary function of the ______is to carry oxygen to the cells.
  1. Red blood cells
  2. Platelet
  3. White blood cells
  4. Plasma
  1. Which of these are responsible for stopping bleeding?
  1. Red blood cell
  2. Platelets
  3. Plasma
  4. White blood cell
  1. The function of the leaf is.....
  1. Protection for the plant
  2. Make the flower look pretty
  3. Support for the plant
  4. To make food for the plant
  1. Which of these animals is a mollusk without a shell?

a.b.c.d.

  1. Which of these animals is a reptile?
  1. Frog
  2. Fish
  3. Snake
  4. Worm
  1. In which structure do seeds develop?
  1. Anther
  2. Pollen grain
  3. Ovary
  4. Stigma
  1. Seeds need ______and moisture for germination.
  1. Warmth
  2. Sunlight
  3. Darkness
  4. None of the above
  1. Which of these is not part of a flower?
  1. Anther
  2. Petal
  3. Ovary
  4. Uterus
  1. A producer is an organism that......
  1. Eats its own food
  2. Makes its own food
  3. Decays nonliving organisms
  4. Eats prey.
  1. Herbivores eat only.....
  1. Meat
  2. Fruit
  3. Producers
  4. None of the above
  1. What kind of a consumer is the lion?
  1. Herbivore
  2. Carnivore
  3. Omnivore
  4. Producer

22.Which teeth are especially shaped for biting food?

a.incisors

b.canines

c.milk teeth

d.molars

23.Children grow how many teeth?

a.10

b.15

c.20

d.25

24.Too many sweets can result in .....?

a.rotten teeth

b.weight gain

c.heart disease

d.all of the above

25.What part of our diet helps to prevent diseases?

a.vitamins and minerals

b.sugars and starches

c.fats

d.carbohydrates

26.Carbohydrates give us energy. From which food groups can we get them?

a.fish and meat

b.cereal and bread

c.tomatoes and cucumber

d.yogurt and cheese

27.What do all plants have in common?

a.They all grow tall

b.They all have vascular tissue

c.They all produce seeds in flowers

d.They all have cell walls and chloroplasts

28.Which of the organisms listed below belong to animal kingdom?

a.mosses, frog and crab

b.lion, crab and whelk

c.chicken, algae and dog

d.whelk, bee and mold

29.Which of the following types of plants produce their seeds in cones?

a.Angiosperms

b.Apple tree

c.Non vascular plants

d.Gymnosperms

30. After fertilization, when the seed is developing, which part of the flower hardens to become the seed coat?

a.The petals

b.The stigma

c.The anther

d.The ovule wall

31. The ______is the vascular tissue in a vascular plant that transports sugar (food)around the plant.

a.stigma

b.xylem

c.phloem

d.leaf

32. Invertebrates are animals that have no backbone. Which of the following are groups of invertebrates?

a.Echinoderms, mollusks, sponges, amphibians.

b.Echinoderms, arthropods, fish, sponges

c.Echinoderms, mammals, sponges, mollusks

d.Echinoderms, arthropods, sponges, mollusks.

33. What are the main characteristics of echinoderms?

a.When fully grown they have body parts in multiples of 5, live in salt water.

b.Have body parts in segments, have antennae.

c.Have feathers and wings.

d.Have external shells for protection and live on land.

34. All living things are made up of ______.

  1. Cells
  2. Organs
  3. Vascular tissue
  4. bones

Answer TRUE or FALSE

  1. Bees and other insects can help with pollination. T / F
  2. Platelets help to fight disease. T / F
  3. Vascular plants have no xylem. T / F
  4. For a seed to germinate it needs sunlight.T / F
  5. A lemon tree is an example of an angiospermT / F
  6. Blood, blood vessels and heart make up the digestive system.T / F
  7. The stigma produces pollen.T / F
  8. Chlorophyll are tiny holes in the leaf that release oxygen.T / F
  9. All invertebrates can breathe under water.T / F
  10. Plants are the only organisms that are producers.T / F
  11. Plants use oxygen to make their food.T / F
  12. Spiders have six legs.T / F
  13. Sugar and carbon dioxide are produced during photosynthesis.T / F
  14. Fertilization is when the male sperm cell joins with the female egg cell. T / F

Match each word with its definition by writing the letter in the space provided .

  1. sperm ______a reproductive part of plant
  2. fertilization ______Female part of the flower which includes ovules
  1. oxygen ______plants, algae and euglena
  1. stomata ______the joining of sperm cell and egg cell.
  1. ovary ______male's reproductive cell.
  1. producers______male part of flower which produces pollen.
  1. anther ______female part of flower which collects pollen
  1. petals______parts of flower which attract pollinators
  1. flower______tiny holes on the underside of a plant leaf
  1. stigma ______a waste in photosynthesis

Put the following events about the respiratory system in the correct sequence. Number the steps 1 to 3.

______Clean air travels down your trachea and through bronchi tubes then bronchioles in your lungs.

______Carbon dioxide leaves your body when you exhale.

______Carbon dioxide passes from the blood into the alveoli while oxygen passes from the alveoli into the blood.

Write the function of each of the blood parts.

Part of Blood / Function
1. Red blood cells
2. White blood cells
3. Platelets
4. Plasma

Identify which group of vertebrate or invertebrate is being expressed.

  1. We use gills to absorb oxygen from the water. ______
  1. We are soft-bodied animals and may have a shell. ______
  1. We all have jointed legs and an outer covering called an exoskeleton. ______
  1. We have dry scaly skin and most of us lay eggs on land. ______

Complete the Venn diagram to compare the plant cells and animal cells.

Photosynthesis is a process that occurs in plant cells. Explain the process of photosynthesis. (HINT: What is it? and the equation?)

______

Answer the following questions.

1.What path does blood take through the body?

from heart to ______, then ______and back to heart through

______

2.In what ways do the respiratory and circulatory systems work together?

Respiratory system ______

while circulatory system ______.

3.Why is an owl classified as a bird?

______

4.What do mice and cows have in common?

______

5.Bats fly, yet they are classified as mammals. Explain.

______

Look at the pictures below then answer the following questions.

moss orange tree

1.Write two things that both moss and orange tree have in common.

______

______

2.Write two differences between moss and orange tree.

______

______

Label the male and femal parts of the flower.

Number the sentences from 1 to 5 to order the steps of germination.

____The root then stem begin to grow.

____The seed takes water, swells and germinates.

____A dormant seed lies in the soil when the environment is not suitable for growth.

____ Leaves mature and the plant starts absorbing energy from sunlight.

____The plant produces flowers and is ready for pollination.

Draw and label the life cycle of a flowering plant.

1