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Worksheets

Algae

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Which among the following is a parasitic green algae?

a)

Polysiphonia

b)

Laminaria

c)

Chara

d)

Cephaleuros

2.

Coenobium is the thallus of

a)

Volvox

b)

Spirogyra

c)

Voucheria

d)

Sargassum

3.
Kelp is a ……………………………
a)
microscopic algae
b)
unicellular algae
c)
green algae
d)
macroscopic algae
4.
Which of the following is not a division of algae?
a)
Euglenophyta
b)
Chrysophyta
c)
Chlorophyta
d)

Pterophyta

5.

Agar-Agar is obtained from

a)

Gelidium

b)

Polysiphonia

c)

Fucus

d)

Laminaria

6.

In which of the following alage , isogamy, anisogamy and oogamy all are found?

a)

Chlamydomonas

b)

Oscillatoria

c)

Anabaena

d)

Sargassum

7.

Identify the gametes in oogamy

a)

small motile male gamete and large non-motile female gamete

b)

large non motile male gamete and small motile female gamete

c)

multi flagellate female gamete and small male gamete

d)

non motile male gamete and large female gamete

8.

Identify the life cycle where a diploid plant produce gametes by meiosis and it fuses to produce a zygote that develops into a diploid plant

a)

Haplontic

b)

Diplontic

c)

Diplobiontic

d)

Haplobiontic

9.

Biological Nitrogen Fixation done By:

a)

Red Algae

b)

Blue Green Algae

c)

Green Algae

d)

Brown Algae

10.

Which among the following is a diatom?

a)

Volvox

b)

Pinnularia

c)

Voucheria

d)

Chara

11.

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

12.

Floridean starch is found in

a)

red algae

b)

brown algae

c)

green algae

d)

blue-green algae

13.

Which statement about Brown algae is correct?

a)

Reserve food is Floridean starch

b)

Two Equal apical flagella present

c)

Cell wall made of cellulose and algin

d)

Chlorophyll a and d present

14.

A crown of flagella is seen in motile cells of

a)

Volvox

b)

Oedogonium

c)

Polysiphonia

d)

Voucheria

15.

Algae without an unbranched thallus

a)

Ulothrix

b)

Spirogyra

c)

Cladophora

d)

Zygnema

16.

An algae with stellate chloroplast

a)

Zygnema

b)

Oedogonium

c)

Chlamydomonas

d)

Debarya

17.

Phycobiliproteins are the characteristic features of

a)

Red algae

b)

Brown algae

c)

Green alge

d)

Golden brown algae

18.

The basal granule from which algal flagella arises

a)

Axoneme

b)

Blepheroplast

c)

Pyrenoid

d)

Stigma

19.

Two laterally inserted unequal flagella, one tinsel type and other whiplash found in

a)

Red algae

b)

Brown algae

c)

Green algae

d)

Blue green algae

20.

Which among the following is a motile asexual spore in algae?

a)

Aplanospore

b)

Meiospore

c)

Zoospore

d)

Hypnospore