Genbio1 Lab Final Exam - Term 3 2023-2024 PDF

DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Name:_______________________________________ Section:_____________________ Date:__________________ INSTRUCTIONS and REMINDERS 1. This is a 60-item final exam in General Biolo...

DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Name:_______________________________________ Section:_____________________ Date:__________________ INSTRUCTIONS and REMINDERS 1. This is a 60-item final exam in General Biology 1 Laboratory. You are given 2 hours (120 minutes) to finish the exam. 2. Listen to your proctor or instructor for reminders before you start. Take note of the time you have started and the time you have finished the assessment. 3. Pictures or images may take a few moments to appear, so be patient. 4. To optimize your internet connectivity, ensure all other browsers are closed during the exam. 5. Do not leave the quiz page, minimize the page, or open another browser, as this will red tag your log activity while taking the quiz. (anti-cheating mechanism of the platform) 6. No cheating in any form! Students caught cheating will be penalized accordingly. (see Student Handbook Sections 5.3.1.1 and 10.3) 8. Making a screenshot of the questions is strictly prohibited. 7. If you encounter any problem, take note of the question (do not make a screenshot) and communicate it with your proctor. I will continue o my God to do all my actions for the love of YOU. Saint John Baptist De La Salle, Pray for us! Live Jesus in our hearts...FOREVER! 1 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 MULTIPLE CHOICE: Choose the BEST answer. Shade the letter in the answer sheet. FLOWERS QUESTIONS (25 items) Flower 1. Examine specimens A-D (D.A.D) Which of the following is TRUE based on the given specimens? A. Flowers A and D are actinomorphic, while B and C are zygomorphic. B. Flowers A, B, and C are actinomorphic, while D is zygomorphic C. Flowers A, B, and D are actinomorphic, while C is zygomorphic. D. Flower A is actinomorphic, while B, C, and D are zygomorphic. Flower 2. Examine the featured specimen below: (D.A.D) Which statements IS/ARE true about the featured specimen? A. A and B are collectively called as perianth B. C attracts pollinators and is part of the corolla C. B traps the pollens coming from the anther of the male part D. A is responsible for the production of nectar E. B is part of the gynoecium Flower 3. Which belongs to the flower’s male reproductive organ? (D.A.D) 2 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 A. Structures A and B B. Structure B only C. Structures B, C, D D. Structures C and D only Flower 4. Which of the choices does not describe the specimen? (Refer to the featured specimen) (D.A.D) A. The flower has a complete perianth B. The flower has a complete whorls C. The flower is apetalous D. The plant is monoecious Flower 5. Describe the featured specimen. (D.A.D) A. This flower is Actinomorphic and orchidaceous. B. This flower is zygomorphic and papilionaceous. C. This flower is zygomorphic and orchidaceous. D. This flower is zygomorphic and bilabiate. 3 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Flower 6. Describe the featured specimen. (D.A.D) A. The flower has inflorescence, zygomorphic, and bilabiate B. The flower is solitary, zygomorphic and orchidaceous C. The flower is solitary, actinomorphic, and bilabiate D. The flower has inflorescence, actinomorphic, and papilionaceous Flower 7. Examine the featured specimen below: (D.A.D) Upon maturation, structure A will become______ while structure B will become ________. A. Seed; Fruit B. Stem; Fruit C. Fruit; Seed D. Receptacle; Petals Flower 8. Please refer to the image and study the featured structures. Which statement best describes flowers A and B? (D.A.D) 4 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 A. Flower A is irregular, caesalpinaceous and B is considered a flower that is gamopetalous B. Flower A is actinomorphic, and Flower B is zygomorphic C. Flower A has 1 huge banner petal, 2 wings, and 2 keels, while Flower B is only composed of a corolla with no calyx D. Flower A has a floral whorl that is considered a tepal Flower 9. Gumamela is a complete flower. Which statement is false? A. It has pistil, stamen, corolla, and calyx B. It has pistil, stamen, and perianth C. It has carpel, pistil, and calyx D. It has carpel, stamen, corolla, and calyx Flower 10. What is the collective term for the plant parts labeled in the picture above? A. Androecium B. Gynoecium C. Tapetum D. Endothecium Flower 11. ________ is to flower. ________ is to stem. A. Peduncle; Pedicel B. Petiole; Rachis C. Petiole; Peducle D. Peduncle; Petiole Flower 12. The corn plant can self-pollinate because A. The corn plant is actinomorphic, so the pollen can easily reach the stigma. 5 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 B. The corn plant is zygomorphic, and it does not require any insect to pollinate C. The corn plant is monoecious; the male and female reproductive parts are in the same plant. D. The corn plant is dioecious; the male plant can easily spread the pollen. Flower 13. Which part of the flower gives rise to the pericarp? A. Ovule B. Anther C. Receptacle D. Ovary Flower 14. I. Monoecious have both the male and female parts in one plant. II. Dioecious have both the male and female parts in one flower. A. Only Statement I is true. B. Only Statement II is true. C. Both statements are true. D. Both statements are false. Flower 15. Which part of the flower attracts pollinators? A. Corolla B. Stamen C. Pistil D. Calyx Flower 16. Which of the following will be more prone to self-pollination? A. A dioecious plant where its anthers are the same height. B. A plant in which gynoecium and androecium mature at the same time. C. A plant showing dichogamy. D. A pin-eyed plant with both male and female flower parts. Flower 17. Inflorescence with single flowers on short pedicels arranged alternately along the rachis. A. Solitary B. Raceme C. Spadix D. Umbel Flower 18. Which of the following inflorescences is exhibited by the Bougainvillea flower? A. Spike B. Cyme C. Catkin D. Panicle Flower 19. Which of the following refers to a flower that lacks a female part? A. Pistillate flower 6 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 B. Hypogynous flower C. Complete flower D. None of the other choices are correct. Flower 20. Examine the featured specimen below: Which of the following is true about the part labeled A? A. It is known as the stigma, where the pollens are attached. B. It is part of the pollen tube. C. It is known as the anther, which contains the microsporangia. D. It is considered to be a part of the staminal tube. Flower 21. Examine the given pictures. Based on the featured specimen below, which flowers INCORRECTLY match the description of the nature of its corolla? Flower A Flower B Flower C Flower D Polypetalous Gamopetalous Apopetalous Apetalous A. Flowers A and C B. Flowers B and C C. Flowers C and D D. Flowers A, B, D Flower 22. Based on the specimen below, which is considered a bract? 7 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 A. Structure A B. Structure B C. Structure C D. None of the above Flower 23. Based on the specimen below, what type of inflorescence is exhibited? A. Umbel B. Raceme C. Panicle D. Cyme Flower 24. Identify the characteristics of the flowers shown in the given picture 8 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 A. Perfect / Actinomorphic / Polypetalous B. Complete / Actinomorphic / Polypetalous C. Perfect / Zygomorphic / Gamopetalous D. Complete / Zygomorphic / Gamopetalous Flower 25. Based on the specimen below, which statements about structure (A) are correct? A. It is a modified leaf that protects the flower when it is still a bud. B. It is composed of petal-like tissue. C. It can be used as an alternative to attract pollinators. D. None of the other choices are correct. Flower 26. Examine the given image, and answer the question that follows. 9 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Which labeled parts are considered fertile or essential parts of the flower? A. B and C B. A and D C. Only E D. A, B, C, D, and E Flower 27. Observed the given specimen. What inflorescence was exhibited? A. Catkin B. Spike C. Panicle D. Spadix Flower 28. What is true about the featured specimens? A B A. Specimens A and B are both inflorescences. B. Specimen A is an umbel, while B is a capitate C. Specimen A is an inflorescence, while B is a solitary flower. D. Specimen A is an incomplete flower, while specimen b is a complete flower Flower 29. Study the featured specimen. 10 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Based on the attachment of the perianth and the stamen to the position of the ovary, the featured specimen is a __________. A. Hypogynous flower B. Epigynous flower C. Perigynous flower D. None of the above Flower 30. Observe the specimen below. Which of the following best describes it? A. A solitary flower with a colorful bract B. An inflorescence with all staminate flowers C. A complete flower D. A perfect flower 11 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 FRUITS (25 items) Fruit 1. Describe the featured specimen. A. The fruit has a parietal placenta and is a simple fruit. B. The fruit is a drupe, and the edible part is the pericarp. C. The fruit is dehiscent and is a capsule. D. The fruit is fleshy and has axile placentation. Fruit 2. Describe the featured specimen.. A. The fruit has a stony endocarp and is a drupe. B. The fruit is an aggregate that comes from multiple ovaries. C. The fruit is referred to as stony due to its hard mesocarp. D. The fruit’s placenta is marginal. 12 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Fruit 3. Which of the following statements does not describe the given specimen? A. The specimen is a multiple fruit. B. The fruit’s placenta is axile. C. The specimen is an accessory fruit. D. The ovary of the specimen is inferior. Fruit 4. Study the featured specimens. I. Which of the following specimen/s has an axile placentation? II. Which of the following specimens have an edible part originating from a hypanthium tissue A. Specimens AD: BC B. Specimens ACD: B C. Specimens AB: CD D. Specimens ABCD: AD Fruit 5. Based on the given specimen, which is TRUE about structures A and B? A. A formed from the ovary; B formed from the ovule B. A formed from the ovule; B formed from the ovary 13 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 C. A formed from the endosperm; B formed from the pollen grain D. A formed from the ovule; B formed from the carpel Fruit 6. Study the set of specimens: (D.A.D) I. Which among the specimens has an ovary covered by a receptacle? II. Which among the fruits emerged directly from ovarian tissue? A. Specimens AD:BC B. Specimens AC;BD C. Specimens ABC; D D. Specimens A; BDC Fruit 7. What part/s is/are the inclusion of the ovary on this fruit? (D.A.D) A. Structure A only B. Structures A and B C. Structure C only D. Structures B and C Fruit 8. Examine the featured specimens from A-C: (D.A.D) 14 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Choose the correct words to complete the sentences. I. Fruit A has ______locules; II. Fruit B came from ________ flower/s with _________ovary/ies III. Fruit C has a fleshy part that came from the________. A. 12 locules; Single/Multiple; receptacle B. 4 locules; Single/Single; ovary C. 4 locules; Multiple/Single; peduncle D. 12 locules; Multiple/Multiple; receptacle 15 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Fruit 9. Study the specimens below. (D.A.D) Which statement/s is/are correct? (Choose all that apply.) A. Specimens A and D are dry, indehiscent fruits. B. Specimen B has endospermous seeds. C. Specimen C is exendospermous. D. Specimens A and D are caryopsis. Fruit 10. What is true about the set of specimens below? (D.A.D) A. Specimen A and D are capsules. B. Specimen B is a seed. C. Specimen C has 1 seam that splits at maturity. D. Specimen D is the only nut among the specimens. Fruit 11. Study the featured specimen and identify the pointed structures that originate from its floral parts. (Dropdown) (D.A.D) 16 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 A is stigma B is style C is superior ovary D is calyx Fruit 12. Choose the correct classifications of the fruit given below. A. Simple-Fleshy-Berry B. Simple-Fleshy-Berry-Pepo C. Simple-Fleshy-Fleshy drupe D. Simple-Fleshy-Fibrous drupe Fruit 13. I. Fruit is a mature, ripened anther that contains the seeds II. Fruits protect the seeds a. Only statement I is true b. Only statement II is true c. Both statements are true d. Both statements are false 17 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Fruit 14. Which is NOT TRUE about the above fruit? A. A dehiscent fruit with several seeds B. A dry fruit that splits open along definite seams at maturity C. A hesperidium with seed sacs or vesicles D. A simple fruit Fruit 15. Refer to the featured specimen above. I. The fruit is a berry when mature II. The fruit has a marginal placentation type A. Only statement I is true B. Only statement II is true C. Both statements are true D. Both statements are false 18 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Fruit 16. Examine the fruit. I. All parts of this fruit can be eaten. II. It is a simple pepo. III. The fruit’s placentation is axile. A. Only Statements I and II are true B. Only Statements II and III are true C. Only Statements I and III are true D. All Statements are true E. All statements are false. Fruit 17. Which of the following is/are true about the photo above? A. There is only one fruit B. The fruit is simple, dry, and dehiscent C. Three ovaries have developed to form the fruit D. Four flowers have developed to form the legume Fruit 18. Which fruit is best described as a simple fleshy fruit and an accessory fruit? A. Pepo B. Hesperidium C. Pome D. Drupe 19 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Fruit 19. This fruit can be classified as_______. It is dispersed by_______. A. Capsule; Animals B. Grain; Water C. Samara; Wind D. Nut; Ballistic Fruit 20. Which of the following is a single-seeded fruit in which the pericarp surrounds the seed and adheres tightly to the seed coat? A. Achene B. Caryopsis C. Samara D. Nut Fruit 21. Describe the featured fruit. A. Fruit wall with a hard rind B. Fruit comprises glandular placental hairs C. Fruit with leathery exocarp D. Endocarp hard and stony Fruit 22. Which of the following fruits open along two seams when mature? A. Cashew nut B. Rice C. Peanut D. Sunflower 20 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Fruit 23. Which of the following can be separated from the ovary wall except at the point of attachment to the inside of the pericarp? A. Sunflower B. Corn C. Wheat D. Mahogany Fruit 24. What is true about structure A of the featured specimen? (D.A.D) A. Structure A is the mesocarp of the fruit. B. Structure A is made of hypanthium and not an original part of the ovary. C. Structure A is the swelling of the ovarian wall of the flower. D. Structure A originates from the swelling of the peduncle of the flower. Fruit 25. What is/are true about the featured specimens? A. Specimens A and B are berries, and the whole pericarp is edible. B. Specimens A and B are berries, but only A has an edible pericarp. C. Specimen A is a hesperidium due to its sour taste, while B is a berry. D. Specimen A has 5 fused carpels; A and B are simple fruit. 21 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 POLLENS AND OVULES (15 items) Pollens/Ovules 1. Identify all the pointed structures. (Dropdown identification) (D.A.D) A is megasporocyte B is micropyle C is integument D is nucellus Pollens/Ovules 2. What is TRUE about the pointed structure? (D.A.D) A. It is a gametophyte of the flower known as microspore. 22 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 B. It is a gametophyte of the flower known as a microsporocyte. C. It is a gametophyte of the flower known as a macrosporocyte. D. It is a gametophyte of the flower known as macrospore. Pollens/Ovules 3. Study the featured specimen. (D.A.D) Which of the following correctly describes the highlighted structures? A. Structure A is described as amoeboid in form, and B is the epidermis B. Structure A is described as intact, and B is the source of the microsporocyte C. Structure A is described as intact, and B is the stomium of the anther D. Structure A is amoeboid, and B is part of the vascular bundle Pollens/Ovules 4. Which of the following is the correct sequence of events in a pollen sac? A. sporangia → meiosis → two haploid cells → meiosis → two pollen grains per cell B. pollen grain → meiosis → two generative cells → two tube cells per pollen grain C. two haploid cells → meiosis → generative cell → tube cell-fertilization → pollen grain D. microsporocyte → meiosis → microspores → mitosis → two haploid cells per pollen grain Pollens/Ovules 5. The embryo of a grass seed is enclosed by two protective sheaths, a(n) _____, which covers the young shoot, and a(n) _____, which covers the young root. A. cotyledon; radicle B. hypocotyl; epicotyl C. coleoptile; coleorhiza D. scutellum; coleoptile Pollens/Ovules 6. True or False. Megasporocytes are part of the gynoecium and undergo meiosis to produce 4 active megaspores. Pollens/Ovules 7. True or False. In flowering plants, the surviving megaspore undergoes meiosis resulting in 8 nuclei. Pollens/Ovules 8. Identify the labeled structures of the featured specimen. (Dropdown or Matching Type) (D.A.D) 23 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 A is funiculus B is the placenta C is the locule D is the ovarian wall Pollens/Ovules 9. Pollen grains are derived from a microsporocyte, developed inside the microsporangia of an anther, and are supposed to contain ________ and _________. A. 2 sperm nuclei and pollen tube B. 1 sperm nucleus and pollen tube C. 3 sperm nuclei D. 2 sperm nuclei and 1 polar nucleus Pollens/Ovules 10. What specific structure inside the anther nourishes the microspores? A. tapetum B. anther sac C. endothecium D. stomium Pollens/Ovules 11. Which structure/s is/are the male gametophyte/s? A. the megaspore B. the megagametophyte C. the microgametophyte D. the pollen grain Pollens/Ovules 12. As a flower develops, which transition is most likely to occur? A. The microspores become pollen grains. B. The ovule becomes a fruit. C. The vegetative nucleus becomes a sperm nucleus. D. The ovules become ovaries. Pollens/Ovules 13. By which process and where are sperm cells formed in plants? A. meiosis in pollen grains B. meiosis in anthers C. mitosis in male gametophyte pollen tube D. mitosis in the micropyle Pollens/Ovules 14. All of the following are haploid except ________. A. Tube nucleus B. Generative nucleus C. Microsporocytes 24 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 D. Microspores Pollens/Ovules 15. Which of the following is/are CORRECT about the given specimen? I. They are spiked. II. They appear in groups. III. They are characterized as pantoporate pollens. A. Only statement I is correct. B. Only statements I and II are correct. C. Only statements I and III are correct. D. All of the statements are correct. 25 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 SEEDS (15 items) Seeds 1. In reference to the image provided, which of the following statements is true? (D.A.D) Statement A: The pointed part is the embryo. Statement B: The specimen is an exendospermous seed. A. Only statement A is TRUE B. Only statement B is TRUE C. Both statements are TRUE D. Both statements are FALSE Seeds 2. If the diploid number of a flowering plant is 36, what would be the chromosome number in its endosperm? A. 36 B. 18 C. 54 D. 72 Seeds 3. True or False (D.A.D) Statement I. Seeds need light to germinate. Statement II. Each seed contains an embryo, a tiny dormant plant. A. Statement I is correct. Statement II is false. B. Statement I is wrong; statement II is correct. C. Both statements are wrong. D. Both statements are correct. 26 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Seeds 4. Which among these seeds has a scutellum? A. Red beans B. Peanut C. Corn D. Mango Seeds 5. The Plumule is close to ________, while radicle is close to the ____________. A. Epicotyl; Testa B. Hypocotyl: Tegmen C. Epicotyl: Hypocotyl D. Hypocotyl: Epicotyl Seeds 6. What is true about the Labeled “A” part of the seed? A. This is where the plumule grows and spreads out B. This is where oxygen is released C. This is where the radicle grows and spreads out D. This is where water enters Seeds 7. What is NOT true about the cotyledon of a dicot seed? A. The first part to emerge out of a seed B. Contains reserve food material that provides nourishment to the developing seedling C. Extremely thin but resilient D. An embryonic leaf in seed-bearing plants Seeds 8. Which among these seeds exhibit epigeal germination? A. A, B, C B. A, B, D C. Only C 27 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 D. Only D Seeds 9. I. Epicotyl emerges next to hypocotyl and develops into a young shoot. II. Cotyledon remains in the soil or may be carried upward by the growing epicotyl. A. Only statement I is true. B. Only statement II is true. C. Both statements I and II are true. D. Both statements I and II are false. Seeds 10. I. Seed germination requires temperature, moisture, oxygen, food supply and carbon dioxide externally. II. Seed germination requires hormones, completion of dormancy, amount of stored food, and viability internally. A. Both statements I and II are true. B. Both statements I and II are false. C. Only statement I is true. D. Only statement II is true. Seeds 11. Which of the following statements about the seeds are TRUE? I. Coleorhiza covers the radicle, while the coleoptile covers the plumule. II. Hilum marks the point of attachment of the young seed to the ovary. III. The bean seed is essentially without endosperm at maturity. IV. The external covering of a bean seed is called the pericarp. A. I and II only B. III and IV only C. I, II, and III D. II, III, and IV Seed 12. Which of the following seeds will exhibit hypogeal germination? A. Red beans B. Peanut C. Corn D. Mango Seed 13. Seedless fruits are becoming popular in the market nowadays. How can a fruit become seedless as it grows? A. Through successful cross-pollination from plant to plant. B. A plant showing heterostyly can produce seedless offspring. C. A fruit growing through epigeal germination. D. A plant is applied with auxin. Seed 14. 28 | Page DE LA SALLE UNIVERSITY GENBIO1 LAB FINAL EXAM | Online TERM 3, AY 2023-2024 Which of the following methods of seed dispersal can be seen in the picture? A. Anemochory B. Exozoic C. Myrmecochory D. Autochory Seed 15. How can you differentiate between dicot and monocot seed? A. The dicot seed has an endosperm, while the monocot seed doesn’t. B. The dicot seed has coleorhiza and coleoptile, while the monocot seed has epicotyl and hypocotyl. C. The dicot seed has a prominent cotyledon, while the monocot seed has a prominent endosperm. D. The dicot seed has one cotyledon, while the monocot has two or more cotyledons. 29 | Page