GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 095

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 095

941). "lkebana" pertains
A). leaf arrangement
B). floral arrangement
C). plant arrangement
D). none of these

Answer: floral arrangement


   
942). The bacterium which lives in the human intestine is
A). clostridium
B). E.coli
C). cocci
D). rhizobium

Answer: E.coli


   
943). The first to isolate a plant virus is
A). W. M. Stanley
B). K. M. Smith
C). E. C. Stockmann
D). Jwanosky

Answer: W. M. Stanley


   
944). National Botanical Research Institute is situated at
A). Delhi
B). Kolkata
C). Coimbatore
D). Lucknow

Answer: Lucknow


   
945). In plants, the radial transport of food, water and mineral salts is performed by
A). medullary rays
B). vascular cambiums
C). pith
D). secondary phloem

Answer: secondary phloem


946). Grafting cannot be practised in monocotyledonous plants because they
A). have very thin tissue
B). do not have cambium
C). have many vascular bundles
D). have endarch xylem

Answer: do not have cambium


   
947). Mycology is the study of
A). Algae
B). Fungi
C). Bryophytes
D). Bacteria

Answer: Fungi


   
948). The group of plants containing algal and fungal partners in association are called
A). Thallophytes
B). Bryophytes
C). Pteridophytes
D). Lichens

Answer: Lichens


   
949). The largest cell found in plant kingdom is that of
A). Acetabularia
B). Pyricularia
C). Pinnularia
D). Crotalaria

Answer: Crotalaria


   
950). Electron microscope was invented by
A). Robert Hook
B). Watson and Crick (1953)
C). Jacob and Monad
D). Knoll and Ruska

Answer: Knoll and Ruska