Question No:1

A gymnosperm with mycorrhiza is

(A) Orchid
(B) Monotropa
(C) Cycas
(D) Pinus

Question No:2

Non motile unicellular green algae is

(A) Gelidium
(B) Wolffia
(C) Spirogyra
(D) Chlorella

Question No:3

Kelp in the following is

(A) Laminaria
(B) Volvox
(C) Lycopodium
(D) Adiantum

Question No:4

The following is a filamentous brown alga

(A) Chlamydomonas
(B) Volvox
(C) Scenedesmus
(D) Ectocarpus

Question No:5

Marine algae with massive plant body are called as

(A) Phytoplankton
(B) Kelps
(C) Coenobials
(D) Palmelloids

Question No:6

The most common type of asexual spores seen in algae are

(A) Zoospores
(B) Aplanospores
(C) Akinetes
(D) Autospores

Question No:7

Oogamy is seen in
I) Volvox
II) All species of chlamydomonas
III) Spirogyra

IV) Fucus

(A) I, II
(B) II, III
(C) III, IV
(D) I, IV

Question No:8

Non flagellated gametes are seen in

(A) Ulothrix
(B) Volvox
(C) Spirogyra
(D) Fucus

Question No:9

Much of the global photosynthesis is carried out by

(A) Algae
(B) Bryophytes
(C) Pteridophytes
(D) Angiosperms

Question No:10

These algae are used as food
I) Porphyra
II) Laminaria

III) Sargassum

(A) I, II only
(B) II, III only
(C) I, III only
(D) I, II, III

Question No:11

Algin is the product of

(A) Green algae
(B) Blue – green algae
(C) Brown algae
(D) Red algae

Question No:12

Carrageen is the product of

(A) Rhodophyceae
(B) Bryophytes
(C) Mosses
(D) Ferns

Question No:13

Agar – Agar is obtained from

(A) Gelidium
(B) Fucus
(C) Polysiphonia
(D) Laminaria

Question No:14

Space travellers use the following alga to fulfill their food requirements

(A) Chlamydomonas
(B) Chlorella
(C) Scenedesmus
(D) Porphyra

Question No:15

Chlorophyceae members are called as green algae because they appear green coloured due to the presence of

(A) Chlorophyll a
(B) Chlorophyll b
(C) Chlorophyll a and b
(D) Chlorophyll a, b, c, d

Question No:16

There is much variation in the shape of chloroplast among the algae of

(A) Rhodophycea
(B) Phaeophyceae
(C) Chlorophyceae
(D) Xanthophyceae

Question No:17

Pyrenoids are structures made of

(A) starch and store proteins
(B) proteins and store starch
(C) proteins and store lipids
(D) lipids and store starch

Question No:18

The most common cell wall materials in green algae are

(A) Cellulose, hemicellulose
(B) Hemicellulose, pectin
(C) Cellulose, pectin
(D) Pectin and Xylan

Question No:19

This is a red alga

(A) Polysiphonia
(B) Dictyota
(C) Laminaria
(D) Sargassum

Question No:20

Largest algae belong to the class

(A) Chlorophyceae
(B) Coniferaceae
(C) Phaeophyceae
(D) Rhodophyceae