Most of the photosynthesis on earth is carried by__________?
(A) Kelps
(B) Gymnosperms
(C) Angiosperms
(D) Algae
Of the following which one has glassy shells________________?
(A) Radiolarians
(B) Forams
(C) Both of these
(D) None of these
The only group of algae having no flagellated motile cells at any stage is___________?
(A) Chrysophyta
(B) Phaeophyta
(C) Pyrrophyta
(D) Rhodophyta
Chalk is gradually formed of dead______________?
(A) Actinopods
(B) Foraminiferans
(C) Apicomplexans
(D) Radiolarians
Brown algae are also known as___________?
(A) Phaeophyta
(B) Rhodophyta
(C) Pyrrophyta
(D) Chrysophyta
Which of the following bacteria are thick rigid and spiral______________?
(A) Vibrio
(B) Spirillum
(C) Spirochete
(D) Coccus
The first bacterium isolated was_________________?
(A) Coccus
(B) Bacillus
(C) Vibrio
(D) Spirochete
Coccobacillus has a shape similar to________________?
(A) Diplobacillus
(B) Sarcina
(C) Egg
(D) None of these
Some bacteria ranging occasionally a size of 500 ?m in length are___________________?
(A) Escherichia coli
(B) Spirochetes
(C) Mycoplasma
(D) Epulopiscuim