GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 102

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 102

1011). What is penicillium?
A). virus
B). alga
C). fungus
D). bacterium

Answer: fungus


   
1012). Inside a seed, the plant remains in a/an
A). active state
B). dead state
C). dormant state
D). none of these

Answer: dormant state


   
1013). Plasmids are used as vectors in gene transfer. They are present in
A). cells of all living organisms
B). all viruses
C). certain viruses
D). certain bacteria

Answer: certain bacteria


   
1014). Transgenic plants and animals can be produced through
A). Bio-technology
B). Microbiology
C). Genetic engineering
D). Cytology

Answer: Genetic engineering


   
1015). Guttation is a process in plants by which
A). carbon dioxide and oxygen are removed
B). carbon dioxide is removed
C). excess of water is removed as water drops
D). excess of water is removed as water vapour

Answer: excess of water is removed as water drops


1016). Ability to fix atmospheric nitrogen is found in
A). leaves of some crop plants
B). some red algae
C). chlorella
D). some blue green algae

Answer: some blue green algae


   
1017). Opposite decussate phyllotaxy is seen in
A). Calotropis
B). Hibiscus rosa-sinensis
C). Cassia
D). Nymphae

Answer: Calotropis


   
1018). The natural system of classification was postulated by
A). Engler and Prandti
B). Bentham and Hooker
C). Aristotle and Linnaeus
D). Theophrastus and Aristotle

Answer: Bentham and Hooker


   
1019). In plant energy is produced during the process of
A). transpiration
B). respiration
C). photosyhthesis
D). water absorption

Answer: respiration


   
1020). In which of the following the pollen grains are liberated as clouds of yellow powder and also called "Sulphur shower"?
A). Fem
B). Moss
C). Cycas
D). Pinus

Answer: Pinus