1571. Largest number of species of plants in the world is carried out by :

A. Angiosperm
B. Fungi
C. Monocots plants
D. Algae *

1572. Which of the following are considered to be the simplest living organisms with ability to manufacture their own food by photosynthesis?

A. Diatoms
B. Bacteria
C. Green plants
D. Blue-green algae *

1573. Algae evovled in:

A. Cainozoic era
B. Mesozoic era
C. Palaeozoic era
D. Proterozic era *

1574. Plants which are not differentiated into roots, stem and leaves are grouped under :

A. Gymnosperms
B. Pteridophytes
C. Thallophytes *
D. Spermatophytes

1575. Which are the most primitive group of algae?

A. Blue green algae *
B. Red Algae
C. Brown Algae
D. Green Algae

1576. What is called the study of Algae ?

A. Phycology *
B. Cartography
C. Philately
D. Lexicography

1577. of the following which has glassy shells?

A. Radiolarians *
B. Forams
C. Both of these
D. None of these

1578. Which of the following statement in incorrect about algae ?

A. In contrast to plants, fertilized eggs are protected by their parents’ tissues*;
B. Their classification is based on the pigment composition; and
C. The majority of them exhibit distinct morphologies at various stages of their life cycle.
D. Almost all for them are aquatic

1579. At any stage, there are no flagellated motile cells in the following group of algae:

A. Rhodophyta *
B. Chlorophyta
C. Phaephyta
D. Chrysophyta

1580. The most important group of producers in marine ecosystem is of :

A. Diatoms*
B. Euglenoids
C. Dinoglagellates
D. Brown Algae