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- 1. LITTLE MERRY HEARTS MONTESSORI CENTER CABANATUAN CITY SECOND QUARTER EXAM IN SCIENCE 3 NAME: SCORE: SECTION: TEACHER: I. Choose the letter of the best answer. Write the answer on the space provided before each number. ______1. Which is the larva of Butterfly? A. Nymph B. Chrysalis C. Caterpillar D. Tadpole ______2. Which party of the flower becomes the fruit? A. Sepal B. Ovary C. Receptacle D. Pollen grains ______3. How many cotyledons does a dicot seed have? A. One B. Two C. Three D. Four ______4. It is an offspring grows out of the body a parent. A. Gemmule Formation B. Budding C. Regeneration D. Fragmentation ______5. Which is the male part of the flower. A. Sepal B. Petal C. Pistil D. Stamen ______6. It is found at the base of the pistil. A. Ovules B. Ovary C. Sepal D. Petal ______7. It is an animal that produced eggs. A. Oviparous B. Viviparous C. Reproduction D. Fertilization ______8. What is the transfer of pollen from anther to stigma. A. Pollination B. Fragmentation C. Reproduction D. Fertilization ______9. It absorbs the food in the endosperm. A. Seed coat B. Embryo C. Radicle D. Endosperm ______10. It takes place in most flowering plant. A. Pollination B. Self- Pollination C. Cross- Pollination D. Fragmentation ______11. It is a form of asexual reproduction wherein the parent animal releases a mass of special cells. A. Budding C. Fragmentation B. Gemmule formation D. Regeneration ______12. It is a reproduction wherein two individuals produce offspring. A. Oviparous B. Viviparous D. Sexual D. Asexual ______13.What do you call a seed with one cotyledon? A. Monocotyledon C. Cotyledon B. Dicotyledon D. seed coat ______14. What is the female part of the flower? A. Sepal B. petal C.pistil D. Stamen ______15. It is a form of asexual reproduction wherein a piece of parent animal get detached. A. Regeneration B. Fragmentation C. Budding D. Gemmules II. A. Arrange the sentences according to the stages in the life cycle of a frog. Write numbers 1—5 on the blanks. ________ The frog loses its tail. ________ The eggs hatch and become tadpoles. ________ The female frogs lay eggs. ________ The tadpole develops eggs. ________ The froglet has tail. B. Each statement below describes the butterfly and dragonfly. Identify the stage of their life cycle. _______________ ___________1. It crawls like worm __________________________2. It sips nectar from flower. __________________________3. It is about to fly _______________ ___________4. It cannot be seen
- 2. Dragonfly __________________________1. It places inside the stem of the water plant __________________________2. It remains in water for one to five years __________________________3. It leaves the water and climbs a tall grass c. Write a tleast one beneficial effect of these animals to people. 1. Earthworm— 2. Janitor fish – 3. Lizard— III. Match the description of Column A with the parts of the flower in Column B. write your answer on the space provided. COLUMN A COLUMN B ______1. It is where pollen attached a. sepal ______2. The sticky part at the top of the pistil b. Pistil ______3. Tube-like structure that holds up the stigma c. Style ______4. Green leaf-like part d. Anther ______5. It attracts pollinators e. Stigma f. Petals IV. Complete the paragraphs. Choose from the words in the box. Cross- Pollination pistil anther Seed stigma Pollination self-pollination imperfect flowers stamen Fertilization agents of pollination perfect flowers The transfer of pollen from the 1.__________________ (male part) of a flower to the 2. 2._______________________(female part) of the same or another flower is called 3._______________________. Pollen is transferred from flower to flower by 4.________________________________, like bees, wind and people. When pollen lands on the stigma of the same flower, it is called 5._______________________________, when it lands on a different flower, it is called 6._________________________________. The 7. ____________________ and 8. _______________________ are the reproductive structures of flower. Flowers containing either stamen or pistil is called _________________________________ But flowers containing both stamen and pistil is called ____________________________________ V. Enumeration: write your answer at the back of this paper. 1-4 Give at least 3 forms of asexual reproduction 5-7 What are the four (4) agents of pollination 8-10 give at least three 3 beneficial effects of animals to people.