Question 1

Who is regarded as the "Father of Indian Phycology"?

Accepted Answer

M.O.P lyenger of Madras is regarded as the father of Indian phycology. He discovered Fritschiella, a heterotrichous terrestrial alga.

Question 2

Phycology is the study of :

Accepted Answer

The study of algae is called algalogy or phycology (Gr. phykos = algael and its expert as phycologist algalogist).

Question 3

Who is popularly known as the "Father of Phycology" ?

Accepted Answer

F.E. Fritsch (1935) divided algae into following eleven classes in his book "Structure and Reproduction of the Algae", mainly on the basis of pigmentation, reserve food and flagellation, thallus structure, modes of reproduction and life cycles and he is known as father of algae.

Question 4

Group of algae in which sexual reproduction is absent :

Accepted Answer

Correct answer is A

Question 5

Mannitol (sugar alcohol) is the stored food in :

Accepted Answer

Correct answer is C

Question 6

Red tide is caused by :

Accepted Answer

Correct answer is D

Question 7

Agar-Agar is obtained from :

Accepted Answer

Agar-agar is a jelly like substance. It is a nonnitrogenous carbohydrate consisting of two polysaccharides namely agarose and agaropectin. It is obtained from several red algae. e.g., Gracillaria, Gelidium, Gigartinia. It was discovered by Lady Hesse and used by Robert Koch to solidify culture medium.

Question 8

Algae have cell wall made up of :

Accepted Answer

Correct answer is B

Question 9

Consider the following statements regarding the major pigments and stored food in the different groups of algae and select the correct options given :A. In chlorophyceae the stored food material is starch and the major pigments are chlorophyll- a and dB. In phaeophyceae, laminarin is the stored food and major pigments are chlorophyll- a and bC. In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll- a, d and phycoerythrin

Accepted Answer

Correct answer is D

Question 10

In which of the following, all listed genera belong to the same class of algae :

Accepted Answer

Correct answer is B

Question 11

Two adjacent filaments of Spirogyra affinis having 10 cells each are participating in reproduction. How many new Spirogyra plants are produced during sexual reproduction?

Accepted Answer

Correct answer is B

Question 12

Spirogyra increases its body length by the division of :

Accepted Answer

Spirogyra increases its body length because every cell of the filament is capable of growth division and self maintainance (every cell has nucleus).

Question 13

Sexual reproduction in Spirogyra involves fusion of :

Accepted Answer

Sexual reproduction in Spirogyra involves the fusion of two morphologically identical but physiologically dissimilar nonciliated gametes.

Question 14

Spirogyra is a :

Accepted Answer

Spirogyra is a free floating, filamentous, green, freshwater alga which is popularly called pond silk, hair of princess because its filaments are slimy to touch and shine in water.

Question 15

Zygospore of Spirogyra produces :

Accepted Answer

Zygospore under goes meiosis to form a new filament.

Question 16

On germination each zygospore of Spirogyra gives rise to :

Accepted Answer

Because single zygospore produce four spores but three are diminished and remaining one develop into a new plant.

Question 17

Pond silk' is the common name of :

Accepted Answer

Spirogyra gives silky feeling on touching.

Question 18

In Ulothrix, sexual reproduction is by :

Accepted Answer

Correct answer is A

Question 19

In Spirogyra lateral conjugation takes place in the cells of :

Accepted Answer

Correct answer is A

Question 20

Which of these is mismatched ?

Accepted Answer

Correct answer is D

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