Biology Exam 2 Engaging Quiz

83 Questions | Total Attempts: 57

SettingsSettingsSettings
Biology Exam Quizzes & Trivia

Welcome one, welcome all to the second rendition of our engaging biology exam series! In this quiz we’ll test your knowledge on a wide range of topics within the broad scientific topic of biology, including plants, gases, cells, reproductions and much more. How many questions can you get right?


Questions and Answers
  • 1. 
    __________ is a parasitic plant.
    • A. 

      Pitcher plant

    • B. 

      Sundew

    • C. 

      Venus' Flytrap

    • D. 

      Dodder

  • 2. 
    Ethlene is a gaseous hormone produced by plants, often in response to stress.  What is another way to produce ethylene?
    • A. 

      Through the fermentation of soybenas

    • B. 

      As a natural by-product of animal respiration

    • C. 

      Through extraction of cell walls of algae

    • D. 

      Through the combustion of kerosene

    • E. 

      Through the evaporation of alcohol

  • 3. 
    Which of the following plant responses is affected by photoperiod?
    • A. 

      Onset of dormancy

    • B. 

      Apical dominace

    • C. 

      Cell division

    • D. 

      Gravitropism

    • E. 

      Fertilization of eggs

  • 4. 
    Where do plants get most of their mass?
    • A. 

      From chemical elements in the soil

    • B. 

      From water, as van Helmont predicted

    • C. 

      From nitrogen in the atmosphere

    • D. 

      From organic molecules taken up from the soil

    • E. 

      From carbon dioxide in the atmosphere

  • 5. 
    Which of the following would be a good way to riben a green tomato?
    • A. 

      Putting it in a darenend area such as a drawer or box

    • B. 

      Placing it in a sealed plastic bag with an overripe banana

    • C. 

      Wrapping in foil and putting it in the refridgerator

    • D. 

      Placing it in a microwave, on low power, for 5 mintues

    • E. 

      Placing it under a bright light for 24 hours

  • 6. 
    In many grocery stores, fresh fruits are sold prebagged in plastic bags dotted with holes so that they will not overripen.  The main function of the holes is to
    • A. 

      Permit the fruit to drain after being washed.

    • B. 

      Pervet the buildup of CO2

    • C. 

      Prevent anaerobic conditions withing the bag

    • D. 

      Facilitate diffusion of ethylene away from the fruit

    • E. 

      Facilitate diffusion of O2 to the fruit

  • 7. 
    Gardeners pinch off the stem tip to make a plant bushier.  This works against which of the following
    • A. 

      Apical dominance

    • B. 

      Lateral dominance

    • C. 

      Double fertization

    • D. 

      Pollination

  • 8. 
    A female mulberry plant growing several miles away from male individuals of its nearest population can produce seeds without fertilization by
    • A. 

      Parthenogensis

    • B. 

      Tissue culture

    • C. 

      Epigeal germination

    • D. 

      Hypogeal germination

  • 9. 
    A woody plant lives through five years of drought, followed by five years of good growing conditions.  The xylem cells formed during the five good years will
    • A. 

      Form heartwood, as compared to the sapwood formed during the drought years

    • B. 

      Conduct a higher ratio of sugar to water than those formed during the drought years

    • C. 

      Form smaller growth rings than those formed during the drought years

    • D. 

      Be larger in diameter than those formed during the drought years

    • E. 

      Be living, whereas those formed during the drought years will be dead

  • 10. 
    The genetically identical organisms that result from asexual reproduction are called
    • A. 

      Seeds

    • B. 

      Seedlings

    • C. 

      Rootlets

    • D. 

      Gametophytes

    • E. 

      Clones

  • 11. 
    Salicylic acid, the main component of aspirin, may be an example of a
    • A. 

      Substance encoded by Avr genes

    • B. 

      Phytochrome

    • C. 

      Amino acid that, when consumed by an insect, will kill that insect

    • D. 

      Substance that attracts wasps to plant being eaten by caterpillars

    • E. 

      Alarm hormone

  • 12. 
    Which of the following options correctly lsits the seqence of structures through which water passes into a root?
    • A. 

      Epidermis, endodermis, guard cell, xylem

    • B. 

      Epidermis, cortex, endodermis, xylem

    • C. 

      Root hair, xylem, endodermis, phloem

    • D. 

      Guard cell, endodermis, cortex, xylem

    • E. 

      Root hair, cortex, xylem, endodermis

  • 13. 
    When a nursery worker pinches off the terminal buds on a young chrysanthemum plant to make it grow bushy, which of the following plant hormones is mainly repsonsible for growth of side branches?
    • A. 

      A cytokinin

    • B. 

      An auxin

    • C. 

      Abscisic acid

    • D. 

      A gibberllin

    • E. 

      Ethylene

  • 14. 
    New growth that increases stem length on a plant arsies mainly from
    • A. 

      Apical meristems

    • B. 

      The base of the stem

    • C. 

      The tip of leaves

    • D. 

      Cotyledons

    • E. 

      The vascular cambium

  • 15. 
    Which class of hormones produced in the roots of platns promotes cell division and growth, and retards the aging of flowers and leaves?
    • A. 

      Phytochromes

    • B. 

      Abscisic acid

    • C. 

      Ethylene

    • D. 

      Gibberellins

    • E. 

      Cytokinins

  • 16. 
    Which of the following is a characteristic of eudicots?
    • A. 

      Lack of secondary growth

    • B. 

      A flower with six petals

    • C. 

      Vascular bundles scattered throughout the stem

    • D. 

      Parallel leaf venation

    • E. 

      A taproot system

  • 17. 
    Which of the following produces the greatest amount of transpiration-cohesion-tension force?
    • A. 

      The osmotic pull of solutes on water from the soil

    • B. 

      Pumping by xylem cells

    • C. 

      The push of water from the soil

    • D. 

      The pull on water from dry air

    • E. 

      The cohesive force of water

  • 18. 
    Which of the following substances induces "bolting" the rapid elongation of a stem in cabbage?
    • A. 

      A gibberellin

    • B. 

      Phytochrome

    • C. 

      Ethylene

    • D. 

      Abscisic acid

    • E. 

      A cytokinin

  • 19. 
    Which of the following options lists the events leading to leaf fall in deciduous trees in the correct order?
    • A. 

      Shortening days, formation of abscission layer, decrease in ethylene levels

    • B. 

      Decrease in ehtylene leves, shortening days, formation of abscission layer

    • C. 

      Formation of abscission layer, increase in ehtylene levels, decrease in auxin levels

    • D. 

      Shortening days, decrease in ehtlene levels, formaiton of the abscission layer

    • E. 

      Cooler temperatures, increase in ehtylene production, formaiton of abscission layer

  • 20. 
    A vascular cambium cell divides to produce an inner and out daugher cell.  Which of the following represents the probale fate of these cells?
    • A. 

      The inner cell will differentiate into phloem and the other cell will differentiate into cork

    • B. 

      The inner cell will differentiate into xylem and the other cell will divide again.

    • C. 

      Both cells continue to divide to produce wood

    • D. 

      The inner cell will differentiate into phloem and the outer cell will differentiate into xylem

    • E. 

      Both cells will continue to divide without differentiating into specialized cells

  • 21. 
    What is phytoremediation?
    • A. 

      Treatment of soils and groundwater with chemicals to prevent plant death.

    • B. 

      The sue of native plants to restore habitat for wildlife after disadters such as Hurricane katrina

    • C. 

      The use of plants to improve the appearnce of devastated areas atfer diasters

    • D. 

      The use of plants to remove carbon dioxide from the atomosphere

    • E. 

      The use of platns to clean up polluted soil and groundwater

  • 22. 
    A seed develps from a(n)
    • A. 

      Pollen grain

    • B. 

      Fruit

    • C. 

      Ovary

    • D. 

      Sporophyte

    • E. 

      Ovule

  • 23. 
    The tallest plant on Earth is
    • A. 

      A giant seed fern in southern Peru

    • B. 

      379 ft. redwood tree in California

    • C. 

      A 500 ft kelp living off the coast of california

    • D. 

      A 740 ft white oak tree in Illinois

    • E. 

      A three mile sq sheet of red algae growing along the coastline of Alaska

  • 24. 
    White is a physical barrier in the root that regulates the flow of water to xylem via cell walls?
    • A. 

      Phloem

    • B. 

      Cortex

    • C. 

      Epidermis

    • D. 

      Plasmodesmata

    • E. 

      Casparian strip

  • 25. 
    The plant growth response to tough is known as
    • A. 

      Phototropism

    • B. 

      Bolting

    • C. 

      Geotropism

    • D. 

      Gravitropism

    • E. 

      Thigmotropism

Back to Top Back to top