GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 092

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 092

911). Water droplets at the tip of the leaf are due to
A). cuticular transpiration
B). lenticular transpiration
C). stomatal transpiration
D). guttation

Answer: guttation


   
912). Match list I with list II correctly and select your answer using the codes given below:
List-                           List-II
(Disease)             (Spreading agents)
a) Cholera               1) Fungi
b) Polio                   2) Protozoa
c) Malaria                3) Virus
d) Dermatitis           4) Bacteria
the below options are given in A B C D order:
A). 2 1 4 3
B). 3 4 1 2
C). 4 3 2 1
D). 1 2 3 4

Answer: 4 3 2 1


   
913). The age of a tree can be determined
A). measuring the height
B). measuring its girth
C). counting the annual growth rings
D). measuring its diameter

Answer: counting the annual growth rings


   
914). The name "Traveller's palm" refers to
A). cocos nucifera
B). musa sapientum
C). revenala madagas cariensis
D). heliconia

Answer: revenala madagas cariensis

   
915). Phyllode is seen in the plant
A). Acacia melanoxylon
B). Acacia arabica
C). Acacia concinna
D). Acacia sundra

Answer: Acacia melanoxylon

916). Polyploids can be artificially induced by
A). colchicine
B). cross - pollination
C). self - pollination
D). vegetative propagation

Answer: colchicine

   
917). Parthenocarpy can be induced by
A). ABA
B). IAA
C). GA
D). C2 H4

Answer: IAA


   
918). Raphanobrassica was discovered by
A). Karpachanko
B). Lysanko
C). Mendel
D). Brown

Answer: Mendel


   
919). When FADH2 is oxidised, the following number of ATP is produced
A). 3
B). 2
C). 1
D). 6

Answer: 2

   
920). Half leaf experiment proves the essentiality of
A). O2
B). co2
C). H2o
D). HCO2

Answer: co2