Multiple Choice Quizzes - Life Sciences

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Question 1

This characteristic allows fungi to withstand heat and drought conditions.

	A.	cell walls
	B.	mycelia
	C.	hyphae
	D.	specialized organelles
	E.	spores

5 points

Question 2

Green algae such as Ulva demonstrate an alteration of generations. The diploid phase is called the

	A.	embryo.
	B.	sporophyte generation.
	C.	gametophyte generation.
	D.	diploid generation.
	E.	zygote.

5 points

Question 3

In general, mammals are not good at dispersing chili plant seeds because

	A.	the seeds die as they pass through the digestive tract.
	B.	chili seeds are dispersed mainly by the wind.
	C.	the mammals do not travel very far before they release the chili seeds.
	D.	the chili seeds do not stick to the mammals’ fur.
	E.	the mammals are the main pollinators for the chili plant.

5 points

Question 4

Cnidarians and ctenophores are similar in that they both have

	A.	nematocysts.
	B.	mesoderm.
	C.	radial symmetry.
	D.	a pseudocoel.
	E.	a digestive tract with two openings.

5 points

Question 5

Which of the following characteristics is not shared by typical birds and mammals?

	A.	milk production
	B.	four limbs
	C.	four-chambered heart
	D.	endothermy
	E.	insulating skin structures

5 points

Question 6

Plants have adapted to dry land by evolving all of the following except

	A.	secreting a waxy coating to prevent water loss.
	B.	forms of chlorophyll more efficient at capturing light.
	C.	structures to protect reproductive cells and embryos.
	D.	association with mycorrhizae to improve mineral uptake.
	E.	tissues to conduct water through the plant.

5 points

Question 7

In cnidarians, nematocysts are important in

	A.	excretion of wastes.
	B.	obtaining prey.
	C.	obtaining oxygen from the water.
	D.	food digestion.
	E.	movement.

5 points

Question 8

It is generally thought that four critical innovations arose during the evolution of our ape-like ancestors into humans. All of the following are innovations except

	A.	use of brain power for abstract thought.
	B.	expansion of the human brain.
	C.	development of the opposable thumb.
	D.	toolmaking.
	E.	bipedalism.

5 points

Question 9

Fungi exhibit certain characteristics. One of these characteristics is that they

	A.	reproduce using seeds and pollen.
	B.	are capable of carrying on photosynthesis.
	C.	lack cell nuclei.
	D.	are prokaryotes.
	E.	reproduce using spores.

5 points

Question 10

Which of the following is not a characteristic differentiating Neanderthals from modern humans?

	A.	Neanderthals were shorter.
	B.	Neanderthals had projecting brow ridges.
	C.	Neanderthals were stronger.
	D.	Neanderthals had larger noses.
	E.	Neanderthals had smaller brains.

5 points

Question 11

Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses?

	A.	roots, stems, and leaves
	B.	fruits and flowers
	C.	vascular system
	D.	spores
	E.	pollen and seeds

5 points

Question 12

It is generally thought that animals have undergone four major physiological and anatomical innovations during their evolution. These are (in no particular order)

	A.	development of the versatile forelimb, multicellularity, origin of patterns of embryonic development, development of tissues.
	B.	multicellularity, bilateral symmetry, origin of patterns of embryonic development, development of tissues.
	C.	origin of patterns of embryonic development, development of the versatile forelimb, origin of the multichambered heart, multicellularity.
	D.	bilateral symmetry, development of tissues, origin of the multichambered heart, origin of patterns of embryonic development.
	E.	development of tissues, photosynthesis, bilateral symmetry, multicellularity.

5 points

Question 13

In plants, the secondary metabolites are primarily responsible for

	A.	protection against ultraviolet radiation.
	B.	food gathering.
	C.	overcoming air pollutants.
	D.	nutrition.
	E.	defense.

5 points

Question 14

Lichens are

	A.	only found growing on living matter.
	B.	insensitive to changes in the environment.
	C.	symbiotic associations between a fungus and an alga.
	D.	capable of causing some obscure diseases.
	E.	parasitic interactions between a fungus and an alga.

5 points

Question 15

The segmented worms of the phylum Annelida

	A.	have an open circulatory system.
	B.	possess setae on each segment.
	C.	move by use of flagella.
	D.	are acoelomate.
	E.	display radial symmetry.

5 points

Question 16

All of the following are parts of a flower except the

	A.	cuticle.
	B.	fruit.
	C.	carpel.
	D.	ovary.
	E.	stamen.

5 points

Question 17

Which of the following adaptations to life on land is found in both insects and modern reptiles?

	A.	metamorphosis from a larval form
	B.	tracheae to distribute oxygen
	C.	ability to fly
	D.	two pairs of walking legs
	E.	body surfaces that resist evaporation

5 points

Question 18

All members of the phylum Chordata share

	A.	tails present throughout their lives.
	B.	a notochord present sometime in their lives.
	C.	gills present throughout their lives.
	D.	exoskeletons.
	E.	a vertebral column.

5 points

Question 19

Mammals have two traits that set them apart from all other animals. These are

	A.	four-chambered heart and milk production.
	B.	body hair or fur, and milk production.
	C.	body hair or fur, and being homeothermic.
	D.	amniotic eggs and milk production.
	E.	four-chambered heart and body hair or fur.

5 points

Question 20

In bryophytes, the rhizoids

	A.	serve as attachment structures.
	B.	are involved in reproduction.
	C.	obtain nutrients.
	D.	obtain water.
	E.	lure possible prey.