GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 084

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 084

831). The cambium present within a vascular bundle is known as
A). interfascicular cambium
B). intrafascicular cambium
C). lateral cambium
D). phellogen

Answer: intrafascicular cambium


   
832). The outermost layers of rice grain endosperm rich in proteins, vitamins and minerals are known as
A). Scutellum
B). Coleoptile
C). Coleorrhiza
D). Aleurone layers

Answer: Aleurone layers

   
833). Syngenesious anther is an important characteristic feature of
A). Asteraceae
B). Malvaceae
C). Rutaceae
D). Poaceae

Answer: Asteraceae


   
834). Heterospory leading to the establishment of seed habit is observed in
A). lepidocarpon
B). selaginella
C). isoetes
D). marsilea

Answer: selaginella

   
835). Which of the monocots mentioned below shows anomalous secondary thickening?
A). Furcraea
B). Agave
C). Asparagus
D). Dracaena

Answer: Asparagus


836). The botanical name for neem is
A). Tectona grandis
B). Dalbergia latifolia
C). Pongamia pinnata
D). Azadirachta indica

Answer: Azadirachta indica


   
837). Meristeles are usually present is
A). Ferns
B). Gymnosperms
C). Equisetum
D). Selaginella

Answer: Ferns

   
838). Winged pollen grains are present in
A). Araucaria
B). Gnetum
C). Pinus
D). Selaginella

Answer: Pinus

   
839). Apogeotropic and coral - like roots are produced in
A). pinus
B). cycas
C). Vanda
D). taxus

Answer: cycas


   
840). What drug is experimented in the treatment of AlDS?
A). TZA
B). AZT
C). CAT
D). ANC

Answer: AZT