Modern method of fishing includes
Mechanised boats
Trawller nets
Boat sines
All the above
Scientific name for Kanagurtha
Trichiuris lepturus
Scolidon
Rostrelligen Kanagurta
Horpodon neherius
Weeds compete with crop plants for
water
space
nutrients
all the above
Name the plant in which mosaic is seen
citrus
grapes
coconut
mango
Coconut wilt is caused by
Bacteria
Virus
Fungi
Operation flood is otherwise called as
Green revolution
White revolution
Black revolution
Yellow revolution
Fishes used to control weed population under biological control are
Tilopia mossambica
Cyprinus carpio
Scoliodon
Both A & B
Name the plant in which vine girdle beetle is seen
grape
papaya
Which insects make a small hole in the leaves and flowers and their head
mosaic insects
citrus insects
arachid insects
aphids
Ploughing helps in
distribution of nutrients
removing micro organisms
identify weed
both a and b