Biology Class Quiz: Adaptations and Structures
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Biology Class Quiz: Adaptations and Structures

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Questions and Answers

Which disease is commonly contracted in areas with fast-flowing rivers?

  • Onchocerciasis (correct)
  • Elephantiasis
  • Syphilis
  • Schistosomiasis

    • What is the main function of the choroid in the eye?

  • Protection of the eye ball
  • Supply of nutrients to tissues of the eye (correct)
  • Transmission of light
  • Converging light

    • Which part of the central nervous system is involved in answering an examination question?

  • Cerebrum (correct)
  • Cerebellum
  • Medulla oblongata
  • Spinal cord

    • Which mineral nutrient is most bound to the soil?

    <p>Phosphorus</p> Signup and view all the answers

    Which nutrient is most likely to be leached out of the soil?

    <p>Nitrate</p> Signup and view all the answers

    Most commercial fertilizers are rich in which of the following nutrients?

    <p>Nitrogen, phosphorus and potassium</p> Signup and view all the answers

    What common characteristic do crustaceans possess?

    <p>Possession of two pairs of antennae</p> Signup and view all the answers

    Which component is NOT similar between castor oil seed and maize grain?

    <p>Number of cotyledons</p> Signup and view all the answers

    Where are aged erythrocytes destroyed in the body?

    <p>Liver</p> Signup and view all the answers

    Which is a characteristic of exponential population increase in organisms?

    <p>Binary fission</p> Signup and view all the answers

    What causes seedlings in a rice field to grow thin and lanky with poor root development?

    <p>Deficiency of potassium</p> Signup and view all the answers

    What is the irreversible process that adds new protoplasm to increase an organism's size?

    <p>Growth</p> Signup and view all the answers

    What will happen when Group A serum mixes with Group B erythrocytes?

    <p>Agglutination occurs</p> Signup and view all the answers

    Which hormones can induce fruit enlargement by spraying young ovaries?

    <p>Auxin, cytokinin and gibberellin</p> Signup and view all the answers

    What is the primary enzyme found in pancreatic juice that acts on carbohydrates?

    <p>Amylopsin</p> Signup and view all the answers

    Which of these organisms is NOT a hermaphrodite?

    <p>Taenia</p> Signup and view all the answers

    Which of the following organisms is least likely to have a parasitic form?

    <p>Molluscs</p> Signup and view all the answers

    What is the primary function of the swim-bladder in fishes?

    <p>Buoyancy</p> Signup and view all the answers

    What is the correct trend of structural organization from simplest to most complex?

    <p>Protozoa, Nematoda, Platyhelminthes, Mollusca</p> Signup and view all the answers

    Which of the following statements provides the best description of bark?

    <p>Tissues outside the vascular cambium</p> Signup and view all the answers

    In the context of vascular bundles in maize, how are they arranged?

    <p>Alternate positions</p> Signup and view all the answers

    Which type of teeth would an animal with diastema NOT possess?

    <p>Incisors</p> Signup and view all the answers

    What is the primary function of trichocysts in Paramecium?

    <p>Defense</p> Signup and view all the answers

    Which group of plants can survive in places where the water supply is limited?

    <p>Xerophytes</p> Signup and view all the answers

    Banana, plantain, and pineapple can be grouped together because they:

    <p>Are multiple fruits</p> Signup and view all the answers

    Which of the following diseases is NOT directly caused by bacteria?

    <p>Malaria</p> Signup and view all the answers

    What is the correct order of development for the following structures during the metamorphosis of a toad?

    <p>1, 2, 3, 4, 5</p> Signup and view all the answers

    The dental formula i 3/3: c 1/1: pm 4/4: m 2/3 = 42 represents the dentition of what?

    <p>Young child</p> Signup and view all the answers

    What is the function of the ossicles (malleus, incus, and stapes) in the mammalian ear?

    <p>Transmission of vibrations</p> Signup and view all the answers

    Which statement is NOT true regarding insectivorous plants?

    <p>They predominantly photosynthesize</p> Signup and view all the answers

    The tuber of cassava is NOT a stem tuber because it:

    <p>Lacks axillary buds</p> Signup and view all the answers

    Which group of invertebrates reproduces by budding?

    <p>Coelenterata</p> Signup and view all the answers

    Which characteristic is common to both Amoeba and Paramecium?

    <p>Contractile vacuole</p> Signup and view all the answers

    How does Hydra remove undigested food?

    <p>Egesting it through the body surface</p> Signup and view all the answers

    In bryophytes, where are sex organs produced?

    <p>Gametophyte</p> Signup and view all the answers

    What is the initial step in the process of photosynthesis?

    <p>Activation of the chlorophyll</p> Signup and view all the answers

    Which food substance produces a brick-red color when warmed with Benedict's solution?

    <p>Glucose</p> Signup and view all the answers

    Which organ secretes digestive enzymes and hormones?

    <p>Pancreas</p> Signup and view all the answers

    Why is the villus in the small intestine significant?

    <p>Increases surface area for absorption</p> Signup and view all the answers

    Study Notes

    Plant Adaptations

    • Xerophytes are plants that can survive in places with limited water supply.

    Plant Reproduction

    • Banana, plantain, and pineapple are grouped together because they produce suckers.

    Diseases

    • Malaria is not caused directly by bacteria.

    Animal Development

    • The order of development during the metamorphosis of the toad is: Mouth, Forelimbs, Hindlimbs, External gills, Internal gills.

    Animal Anatomy

    • Rabbits have a dental formula of i 3/3: c 1/1: pm4/4: m2/3 = 42.

    Insectivorous Plants

    • Insectivorous plants obtain part of their food by trapping and digesting insects.

    Hermaphrodites

    • Schistosoma is not a hermaphrodite.

    Animal Classification

    • Molluscs, Platyhelminthes, Nematodes, and Protozoa represent a trend from simple to complex structural organization with Protozoa being the simplest and Mollusca being the most complex.

    Plant Structure

    • The prothallus of a fern is equivalent to the gametophyte generation of a moss.

    Paramecium

    • Trichocysts in Paramecium are used for defense.

    Food Digestion

    • Cooked rice will be the first digested if ingested at the same time as cooked beans, cod liver oil, and roasted beef.

    Eye Anatomy

    • The choroid is responsible for supplying nutrients to the tissues of the eye.

    Nervous system

    • The cerebrum is the part of the central nervous system that is concerned with answering an examination question.

    Blood

    • Fibrin helps in the formation of blood clots.

    Plant Hormones

    • Auxin, cytokinin, and gibberellin are plant hormones that can induce fruit enlargement.

    Invertebrates

    • Coelenterata reproduces by budding.

    Photosynthesis

    • The first step in photosynthesis is the photolysis of water.

    Food Tests

    • Glucose produces a brick-red color when warmed with Benedict’s solution.

    Organ Functions

    • The pancreas secretes both digestive enzymes and hormones.

    Small Intestine

    • Villi in the small intestine increase the surface area for absorption.

    Pollution

    • The addition of fertilizer to farmland causes pollution.

    Soil Nutrients

    • Phosphorus is the mineral nutrient most bound to the soil.
    • Nitrate is the mineral nutrient that easily gets leached out of the soil.

    Commercial Fertilizers

    • Most commercial fertilizers are rich in salts of nitrogen, phosphorus, and potassium.

    Decomposition

    • Bacteria and fungi decompose dead plants and animals.

    Crustaceans

    • Crustaceans possess two pairs of antennae.

    Spiders

    • Spiders use pedipalpi for grasping.

    Plant Seed Structure

    • Castor oil seed and maize grain are similar except for the number of cotyledons.

    Corm vs Bulb

    • A corm differs from a bulb in that its stem is the main food storage organ.

    Population Growth

    • Exponential increase in population is a characteristic feature of binary fission.

    Life Processes

    • Anabolism is the irreversible life process by which new protoplasm is added to increase the size and weight of an organism.

    Plant Reproduction

    • Algae, bryophytes, and pteridophytes are similar in that they require moisture for fertilization.

    Fern Spores

    • Fern spores are dispersed by wind.

    Bryophyte Reproduction

    • In bryophytes, sex organs are produced in the gametophyte.

    Respiration

    • In dim light, the rate of respiration may equal that of photosynthesis.

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    Description

    Test your knowledge on various biological concepts such as plant adaptations, reproduction, diseases, and animal development. This quiz covers a range of topics including insectivorous plants and animal classification. Challenge yourself with these important biological principles.

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