Biology MCQs

Page No. 68

Examples of Rhodophytes are___________?


aChondrus


bPolysiphonia


cBoth of these


dPinnularia


View Answer Both of these

Which of the following statement about eiliates in incorrect_____________?


aContain mainly unicellular organisms.


bTheir contractile vacoule is respobsible for water regulation.


cThey are even capable of sexual reproduction.


dDiploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.



In chlorophytes the main energy stores are__________?


aCellulose


bStarch


cGlycogen


dAll of these


View Answer Starch

Radiolarians belong to which of the following protozoal group____________?


aZooflagellates


bActinopods


cForaminifera


dApicomplexans


View Answer Actinopods

Of the following which one is not the characteristic of green algae?


aSome green algae possess cell wall with cellulose


bThey are generally accepted as the ancestors of green plants


cChlorella is unicellular non-motile green algae


dNone of these



Which of the protozoa has a striking resemblance to collar cells in sponges_____________?


aZooflagellates


bChoanflagellates


cTrypanosomoa


dTrichonymphas


View Answer Choanflagellates

In slime molds spores develop into__________?


aSwarm cells


bBiflagellated cells


cAmoeboid reproductive cells


dAll of these


View Answer All of these

Who first separated bacteria from other protists as a group_____________?


aJohn Hogg


bErnst Haeckel


cMargulis and Schwartz


dHerbert Copeland


View Answer Herbert Copeland

Spores produced by slime molds are__________?


aHaploid


bDiploid


cTriploid


dNone of these


View Answer Haploid

Which of the following statement about Kingdom Protista is incorrect_______________?


aTheir members have characteristics which separate them from other kingdoms


bThey only include unicellular aquatic eukaryotic organisms


cThey do not develop from Blastula or embryo


dThey contain ancestors for fungi plants & animals



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