GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 131

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 131

1301). "Callus" is referred as
A). differentiated tissue
B). young leaf tissue
C). undifferentiated mass of tissue
D). meristematic tissue

Answer: undifferentiated mass of tissue


    
1302). Number of chromosomes is maintained by the following division.
A). mitosis
B). amitosis
C). meiosis
D). all of these

Answer: mitosis


    
1303). Vascular cryotogams are
A). bryophvtes
B). fungi
C). algae
D). pteridophytes

Answer: pteridophytes


    
1304). The raw materials used in the fermentation activity, in yeasts is (are)
A). sugars and fruit juices
B). sugars
C). alcohol
D). saccharin

Answer: sugars and fruit juices


    
1305). Artificial silk is prepared from
A). phloem fibres
B). wood pulp
C). synthetic fibres
D). wool

Answer: wood pulp



1306). The plant involved in sericulture is
A). eucalyptus
B). cinchona
C). mulberry
D). maize

Answer: mulberry


    
1307). Which one of the following is not correctly matched?
A). Spores-reproduction
B). Vessel-translocation of sugar
C). Stomata-transpiration
D). Photosynthesis-oxygen evolution

Answer: Vessel-translocation of sugar


    
1308). Which one of the following is called as "malden hair fern"?
A). Polytrichum
B). Gnetum
C). Pinus
D). Adiantum

Answer: Adiantum


    
1309). A plant cell is distinguished from an animal cell by the presence of
A). mitochondrian
B). cell wall
C). cell membrane
D). nucleus

Answer: cell wall


    
1310). The sporophyte develops from
A). spore mother cell
B). conidium
C). zygote
D). gamete

Answer: zygote