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CryptOnline

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Who coined the term "Cryptogams"

a)

Carl Linnaeus

b)

Shiv Ram Kashyap

c)

Stephen Endlicher

2.

Algae are used as______

a)

liquid fertilizers

b)

pesticides

c)

to make perfume

d)

to make medecines

3.

Algae are a source of ___

a)

Vitamins and minerals

b)

Water

c)

both of them

d)

none of them

4.

Ferns are indictors of___

a)

moisture regime areas

b)

dry areas

c)

none of them

5.

Which of the following is not a criteria for classification of plants?

a)

Presence or absence of flowers, fruits and seeds.

b)

Whether the seeds are enclosed in a fruit or not.

c)

Presence or absence of vertebral column.

d)

Presence or absence of conducting tissues.

6.

Plants under which of the following divisions of cryptogams are called the amphibians of the plant kingdom?

a)

Thallophyta

b)

Bryophyta

c)

Pteridophyta

7.

_______ have separate tissues for conduction of food and water.

a)

Thallophytes

b)

Bryophytes

c)

Pteridophytes

8.

Which of the following statement describes Cryptogams ?

a)

Plants that bear flowers, fruits and seeds.

b)

Plants that do not bear flower, fruits and seeds.

9.

Which of the following plants is a thallophyte?

a)

Marchantia

b)

Selaginella

c)

Ulva

d)

Funaria

10.

Which of the following plants is a bryophyte?

a)

Ulva

b)

Marchantia

c)

Chara

d)

Fern

11.

How many divisions are cryptogams classified into?

a)

One

b)

Two

c)

Three

d)

Four

12.

Which of the following plants is a pteridophyte?

a)

Spirogyra

b)

Funaria

c)

Anthoceros

d)

Selaginella

13.

Organisms in Kingdome plantae are ___ and autotrophic.

a)

eukaryotic

b)

prokaryotic

14.

Kingdom Plantae includes all the plants and ___.

a)

Fungi

b)

Algae

15.

True or false? Red tide is another name for discolored water.

a)

True

b)

False

16.

Where are dead zones most commonly found?

a)

United States

b)

Canada

c)

Europe

d)

Australia

17.

What was the first type of algae that was discovered?

a)

Red algae

b)

Brown algae

c)

Green algae

18.

True or false? All algae grow at the same rate.

a)

True

b)

False

19.

What caused the Gulf of Mexico's Dead Zone?

a)

over-fishing

b)

a lot of trash flowed there

c)

excess nutrients from farm fertilizer

d)

a nuclear test was done there during WW2

20.

What is carbon sequestration?

a)

the process of adding carbon

b)

the process of removing carbon

21.

What are sea vegetables?

a)

lettuce that looks like algae

b)

edible algae

c)

carrots and beets that grow underwater

22.

If you are swimming in the ocean, how can you tell good algae from bad algae?

a)

Bad algae is usually brown or red.

b)

Bad algae is larger.

c)

Bad algae smells terrible.

d)

You cannot really tell as a swimmer.

23.

True or false? We should try to control and limit the population of all algae.

a)

True-Algae is causing dead zones!

b)

False-A lot of pure algae is a necessary food source for fish and humans.

24.

Is kelp a type of algae?

a)

Yes

b)

No

25.

Is seaweed a type of algae?

a)

Yes

b)

No

26.

Isogamous condition with non-flagellated gametes is found in:

a)

Spirogyra

b)

Volvox

c)

Fucus

d)

Chlamydomonas

27.

The plant body is thalloid in:

a)

Funaria

b)

Sphagnum

c)

Salvinia

d)

Marchantia

28.

Which one of the following is wrongly matched?

a)

Nostoc-Water blooms

b)

Spirogyra-Motile gametes

c)

Sargassum-Chlorophyll c

d)

Basidiomycetes-Puffballs

29.

Which of the following is responsible for peat formation?

a)

Marchantia

b)

Riccia

c)

Funaria

d)

Sphagnum

30.

Which one of the following statements is wrong?

a)

Agar-agar is obtained from Gelidium and Gracilaria

b)

Chlorella and Spirulina are used as space food

c)

Mannitol is stored food in Rhodophyceae

d)

Algin and carrageen are products of algae

31.

Male gametes are flagellated in:

a)

Anabaena

b)

Ectocarpus

c)

Spirogyra

d)

Polysiphonia

32.

An example of colonial alga is:

a)

Volvox

b)

Ulothrix

c)

Spirogyra

d)

Chlorella

33.

Fusion of two motile gametes which are dissimilar in size is termed as

a)

oogamy

b)

isogamy

c)

anisogamy

d)

zoogamy

34.

Holdfast, stipe, and frond constitutes the plant body in case of

a)

Rhodophyceae

b)

Chlorophyceae

c)

Phaeophyceae

d)

All of these

35.

Floridean starch is found in

a)

red algae

b)

brown algae

c)

green algae

d)

blue-green algae

36.

Agar-Agar is produced from

a)

blue-green algae

b)

red algae

c)

brown algae

d)

green algae

37.

Fucoxanthin is found in

a)

red algae

b)

brown algae

c)

green algae

d)

blue-green algae

38.

Both chlorophyll a and b are present in

a)

Rhodophyceae

b)

Phaeophyceae

c)

Chlorophyceae

d)

None of these

39.

Unilocular and Pleurilocular Sporangia are found in

a)

Ectocarpus

b)

Polysiphonia

c)

Volvox

d)

Chara

40.

"Dwarf Male" is found in

a)

Volvox

b)

Oedogonium

c)

Ectocarpus

d)

Polysiphonia

41.

Which one of the following is a "Red Algae"?

a)

Ectocarpus

b)

Volvox

c)

Chara

d)

Polysiphonia

42.

Which one of the following is a "Brown Algae"?

a)

Volvox

b)

Vaucheria

c)

Ectocarpus

d)

Oedogonium

43.

"Gongrosira stage is found in

a)

Volvox

b)

Vaucheria

c)

Ectocarpus

d)

Chara

44.

"Cap Cells " are characteristic feature of

a)

Oedogonium

b)

Chara

c)

Volvox

d)

Polysiphonia

45.

What determines the color of algae?

a)

Temperature

b)

Acidity of water

c)

Pigments

d)

Air Pollutants

46.

Mode of Nutrition in Algae is

a)

Heterotrophic

b)

Autotrophic

c)

Both Autotrophic and Heterotrophic

d)

None

47.

"Coenobium" is colony of

a)

Oedogonium

b)

Volvox

c)

Chara

d)

Chlorella

48.

Tetrasporophyte and Carpospores are found in

a)

Oedogonium

b)

Volvox

c)

Chara

d)

Polysiphonia

49.

Which among the following is a parasitic green algae?

a)

Polysiphonia

b)

Laminaria

c)

Chara

d)

Cephaleuros

50.
Kelp is a ……………………………
a)
microscopic algae
b)
unicellular algae
c)
green algae
d)
macroscopic algae

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