2071. Scarification of seeds is done for removing :
A. Dormancy *
B. Gemination
C. Growth
D. Embryo
2072. Rubber is obtained from :
A. Latex *
B. Cell Sap
C. Gun
D. Resin
2073. The following is the ammonotelic animal :
A. Whales
B. Seals
C. Lizard
D. Salamander *
2074. Flame cells are excretory organs of :
A. Prawn
B. Tape worm *
C. Insects
D. Birds
2075. Ammonia is the chief nitrogen waste in :
A. Cartilaginous fishes
B. Bony Fishes *
C. Semi aquatic Reptiles
D. None of these
2076. The liver converts the ammonia produced during protein catabolism into uric acid:
A. Uretic animals
B. Ammonotelic animals
C. Uricotelic animals *
D. Omithinotelic animals
2077. Which one is the excretory organ among the following ?
A. Archeocyte
B. Choanocyte
C. Solenocyte *
D. Pinacocyte
2078. In urecotelic animals , urea are removed by :
A. Kreb’s cycle
B. Cori cycle
C. Omithine cycle *
D. Cori cycle
2079. Skeletal muscle fibre is :
A. Multinucleated *
B. Uninucleated
C. Binucleated
D. Anucleated
2080. Muscle of heart is known as :
A. Striated
B. Cardiac *
C. Voluntary
D. Non striated