An example for colonial form of algae is

(a)

Oscillatoria

(b)

Nostac

(c)

Volvox

(d)

Chlorella

Floridian starch is a reserve food material of

(a)

Chloroplyceae

(b)

Phaeophyceae

(c)

Rhodophyceae

(d)

Cyanophyceae

The edible mushroom is _________

(a)

Polyporus

(b)

Agaricus

(c)

Pennicillium

(d)

Aspergillus

The first vascular cryptogams in land plants are ________.

(a)

Bryophytes

(b)

Pteridophytes

(c)

Gymnosperm

(d)

Angiosperm

Binominal Nomenclature was first introduced in the year of

(a)

1970

(b)

1975

(c)

1978

(d)

1623

The estimated number of species on the earth is _________ million

(a)

8.7

(b)

100

(c)

120

(d)

150

______ is the earliest system of classification in plants.

(a)

Natural system of classification

(b)

Artificial system of classification

(c)

Phylogenetic system of classification

(d)

Modern system of classification

_____ is the giant kelp

(a)

Spirogyra

(b)

Volvox

(c)

Macrocystis

(d)

Chlorella

______ is used as a food for domestic animals

(a)

Gelidium

(b)

Ascophyllum

(c)

Laminaria & Ascophyllum

Cercospora personata causes _________

(a)

Wilt disease

(b)

Red rot of sugar cane

(c)

Blast disease

(d)

Tikka disease