GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 109

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 109

1081). One of the following is the simplest land plant
A). Bryophytes
B). Lichens
C). Algae
D). Fungi

Answer: Bryophytes


   
1082). Bacteria generally multiply by
A). binary fission
B). multiple fission
C). longitudinal fission
D). all of these

Answer: binary fission


   
1083). Agar - agar is obtained from
A). gelidium
B). laminaria
C). ectocarpus
D). fucus

Answer: gelidium


   
1084). Which of the following grows on wet bread?
A). yeasts
B). fungi
C). both of these
D). none of these

Answer: yeasts


   
1085). Nitrogen fixation is done by
A). blue - green algae
B). green algae
C). brown algae
D). red algae

Answer: blue - green algae



1086). Which bacteria produce vinegar solutions?
A). escherichia
B). acetobacter
C). acetobacter aceti
D). rhizobium

Answer: acetobacter aceti


   
1087). Penicillin was discovered by
A). Edward Jenner
B). J. C. Bose
C). Alexander Fleming
D). William Harvey

Answer: Alexander Fleming


   
1088). Yeasts help in the production of
A). oxygen
B). glucose
C). alcohol
D). salts

Answer: alcohol


   
1089). Many pulses are obtained from plants of the family
A). Euphorbiaceae
B). Fabaceae
C). Asteraceae
D). Musaceae

Answer: Fabaceae


   
1090). Emasculation is
A). removal of sepals
B). removal of petals
C). removal of stamens
D). removal of ovules

Answer: removal of stamens