Biology Exam 2 Engaging Quiz

83 Questions | By Akjohnson8363 | Last updated: Mar 20, 2022 | Total Attempts: 57

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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