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Botany lec - leaves

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

These are leaves with no petiole.

a)

simple leaves

b)

compound leaves

c)

sessile

d)

bipinnately compound

2.

It is a compound leaf that has the leaflets in pairs along an extension of the petiole.

a)

palmately compound

b)

bipinnately compound

c)

tripinnately compound

d)

peltate leaves

3.

It is found at the lower surface of the leaves which allow entry CO2 gas and the release of O2 during photosynthesis.

a)

Hydathodes

b)

bulliform cells

c)

stomata

d)

mesophyll

4.

These control deflation and inflation to regulate gas exchange and evaporation of water between the leaf and the atmosphere.

a)

stomata

b)

guard cells

c)

bulliform cells

d)

hydathodes

5.

A type of mesophyll found on the uppermost part, compactly stacked, barrel-shaped and commonly in two rows.

a)

chloroplast

b)

spongy

c)

bulliform

d)

palisade

6.

Veins are also known as ______.

a)

xylem

b)

phloem

c)

vascular bundles

d)

stipule

7.

Dicots have parallel veins.

a)

true

b)

false

c)

neither

8.

Poinsettia is an example of what specialized leaves?

a)

insect-trapping leaves

b)

window leaves

c)

reproductive leaves

d)

bracts

e)

shaded leaves

9.

These are compound leaves that have all the leaflets attached at same point at the end of the petiole.

a)

pinnately compound

b)

bipinnately compound

c)

tripinnately compound

d)

palmately compound

10.

The process of evaporation of water into vapor from the surface of the leaves.

a)

photosynthesis

b)

guttation

c)

transpiration

d)

respiration

11.

The loss of water through hydathodes is known as ____.

a)

transpiration

b)

respiration

c)

morning dew

d)

guttation

e)

photosynthesis

12.

It is defined as the arrangement of leaves on a stem.

a)

leaf form

b)

venation

c)

phyllotaxy

d)

leaf bases

e)

sessile

13.

Dicots have netted or reticulate venation.

a)

true

b)

false

c)

neither

14.

A type of leaves that has no midvein but its vein fork evenly from the base of the blade. Ginkgo biloba is an example of these veins.

a)

palmate

b)

pinnate

c)

reticulate

d)

dichotomous

e)

netted

15.

Marijuana (Cannabis sativa) is an example of pinnately compound leaves.

a)

true

b)

false

c)

neither

16.

A type/form of leaves that has divided blade that does not reach the midrib.

a)

simple

b)

compound

c)

sessile

d)

perfoliate