Botany Lab Exam

The endosperm is the food source in plants during photosynthesis 

• A.

  True

• B.

  False

What kind of fruit is derived from several to many pistols that are fused at maturity? 

• A.

  Aggregate fruits

• B.

  Multiple fruits

What kind of fruit is derived from multiple flowers in a single inflorescence? 

• A.

  Aggregate fruits

• B.

  Multiple fruits

Nuts are a type of fruits

• A.

  True

• B.

  False

What type of fruit splits when it is mature? ie beans 

• A.

  Dehiscent

• B.

  Indehiscent

Of the dehiscent fruits, what type splits along two sides/seams

• A.

  Legumes

• B.

  Siliques

• C.

  Capsules

The endocarp is the skin of a fruit 

• A.

  True

• B.

  False

What is the fleshy tissue in a fruit 

• A.

  Exocarp

• B.

  Mesocarp

• C.

  Endocarp

What type of fruit has a single seed enclosed by a hard stony endocarp/pit

• A.

  Berry

• B.

  Phome

• C.

  Drupe

What type of fruit has a fleshy pericarp and contains more than one seed 

• A.

  Berry

• B.

  Hesperidium

• C.

  Pepo

What kind of fruit is the pumpkin family in? 

• A.

  Phome

• B.

  Pepo

• C.

  Hesperidium

In Coniferophyta the male gametophyte has one pollen tube and 2 sperm cells 

• A.

  True

• B.

  False

A ______ endosperm- nutritive tissue

• A.

  Diplid

• B.

  Haplid

• C.

  Triploid

A monoecious plant has different homes (reside on different plants) for each sex 

• A.

  True

• B.

  False

Flowers can occur singly or in clusters 

• A.

  True

• B.

  False

Cross pollination is when pollen from an anther is transferred to a stigma of the same flower or plant 

• A.

  True

• B.

  False

Sporophylls are highly modified leaves 

• A.

  True

• B.

  False

An ovule contains a _______which contains nucellus and a megasporocyte.  

Ginkophyta trees are monoecious 

• A.

  True

• B.

  False

Ginkophyta mature seed enclosed with a fleshy seed coat give off what kind of odor? 

• A.

  Fruity odor

• B.

  Vomit odor

• C.

  Perfume odor

What phylum is closely related to angiosperms 

• A.

  Ginkophyta

• B.

  Cycadophyta

• C.

  Gnetophyta

Red algae is used in soups, carrageenan, and agar 

• A.

  True

• B.

  False

Red algae is unicellular 

• A.

  True

• B.

  False

Diatomaceous earth is sedimentary rock made from algae skeletons 

• A.

  True

• B.

  False

All Euglena species are heterotrophic 

• A.

  True

• B.

  False

________ Euglena become ________ in the dark, and they resume their __________ behavior when returned to light 

• A.

  Autotrophic, heterotrophic, autotrophic

• B.

  Heterotrophic, autotrophic, heterotrophic

• C.

  Autotrophic, heterotrophic, heterotrophic

What part of a euglenoid propels it? 

• A.

  Contractile vacuole

• B.

  Polysaccharides

• C.

  Flagella

Archegonia 

• A.

  Male

• B.

  Female

Antheridia

• A.

  Male

• B.

  Female

In ferns ____ is the dominant phase 

• A.

  Sporophyte

• B.

  Gametophyte

Sporangia are found on top surface of the fronds

• A.

  True

• B.

  False

What is the name of the knoblike tissue that anchors the sporophyte to the gametophyte? 

• A.

  Seta

• B.

  Foot

• C.

  Capsule

Marchantia need what for fertilization

• A.

  Air

• B.

  Water

• C.

  Animals/insects

What characteristic do all angiosperms have in common?

• A.

  They contain naked seeds.

• B.

  They contain a protected seed within a flower.

• C.

  They need water for the sperm to swim to the egg.

• D.

  They do not have a vascular system.

If the seed has two distinct cotyledons, is this considered a monocot or a dicot?

• A.

  Dicot

• B.

  Monocot

Which gymnosperm division has the most economically useful species?

• A.

  Gnetophytes

• B.

  Conifers

• C.

  Cycads

• D.

  Ginko

Pine trees fall into which gymnosperm division?

• A.

  Ginko

• B.

  Cycads

• C.

  Conifers

• D.

  Gnetophytes

How does a moss differ from a fern.

• A.

  Moss roots grow vertically as well as horizontally. Fern roots only grow horizontally.

• B.

  Moss has vascular tissue (xylem and phloem) whereas ferns do not.

• C.

  Ferns have vascular tissue (xylem and phloem) whereas moss does not.

• D.

  There is no difference between the two- they are actually synonyms.

Angiosperms are broken down further into two groups: monocots and ______________.

• A.

  Diatoms

• B.

  Diamonds

• C.

  Diagonals

• D.

  Dicots

Which is older (in terms of evolutionary discent)? Gymnosperms or angiosperms? (choose one)

• A.

  Gymnosperms

• B.

  Angiosperms

Which division of plants causes horrible symptoms for allergy sufferers?

• A.

  Cycads

• B.

  Ginkos

• C.

  Gnetophytes

• D.

  Conifers

Root hairs are extensions of which of the following kinds of cells?

• A.

  Cortical

• B.

  Xylem

• C.

  Phloem

• D.

  Epidermal

• E.

  Meristematic

During germination in most angiosperm seeds, food for the growing embryo is provided by the

• A.

  Microgametophyte

• B.

  Female gametophyte

• C.

  Endosperm

• D.

  Hypocotyl

• E.

  Ovary

Phototropism in plants is mediated by what plant growth substance?

• A.

  Auxin

• B.

  Colchicine

• C.

  Chlorophyll

• D.

  Ethylene

• E.

  Lenticels

Flowering plants are capable of fertilization in the absence of water because the

• A.

  Process of pollination and fertilization occur in the soil

• B.

  Pollen tubes deliver the sperm to the eggs

• C.

  Eggs develop without sperm by parthenogenesis

• D.

  Eggs have a structure that aids in their dispersal by wind

• E.

  Sperm contain large amounts of cytoplasm

In plants, the cells in which the greatest quantity of soil nutrients are translocated by

• A.

  Companion cells

• B.

  Tracheids

• C.

  Trichomes

• D.

  Sieve-tube elements

• E.

  Vessel elements

Which of the following most directly controls the flowering response in short-day plants?

• A.

  Length of the light period

• B.

  Length of the dark period

• C.

  Relative amount of blue light available during the light period

• D.

  Intensity of light during the light period

• E.

  Air temperature during the dark period

The result of meiosis in angiosperms is the production of

• A.

  Gametes

• B.

  A haploid sporophyte

• C.

  A diploid sporophyte

• D.

  A diploid gametophyte

• E.

  Haploid megaspores and microspores

Sieve cells differ from tracheids in that only sieve cell are

• A.

  Considered living cells

• B.

  Involved in transporting water and ions

• C.

  Found in vascular plants

• D.

  Found in the outer cortex of the stem

• E.

  Found in the center of the stem

Which of the following tissue types gives rise to all other plant tissue?

• A.

  Parenchyma

• B.

  Sclerenchyma

• C.

  Collenchyma

• D.

  Xylem

• E.

  Phloem