1. In any silkworm food plantation, mulching is helpful (a) To facilitate manuring of soil (b) To conserve moisture (c) In photosynthesis process (d) In intercropping 2. Growth and sprouting of buds cannot be obtained at a temperature (a) Below 5°C (b) Below 8°C (c) Below 10°C (d) Below 13°C 3. Mulberry crop should not
1. Ghicha is the hand drawn coarse yarn of : (a) Mulberry (b) Eri (c) Tasar (d) Muga 2. International standard skein should be : (a) 148 – 150 cm (b) 150 cm – 155 cm (c) 155 – 160 cm (d) 160 – 165 cm 3. Water softener like EDTA, OXYPON, SHMP can be
1. There are ___________ basic needs for extention. (a) Two (b) Three (c) Four (d) Five 2. Toward sericulture extentention the DOS established silk farm to maintain ___________ races. (a) p2 (b) p3 (c) p4 (d) p1 3. Extention is Educational Organisation alone. (a) Correct (b) Incorrect (c) Partly Correct (d) None of these 4.
1. Muga silkworms are vulnerable mainly to ________ types of diseases. (a) 1 (b) 2 (c) 3 (d) 4 2. What is the mechanical disinfection in grainage appliances? (a) Sun drying in hot sun for 6 – 8 hours (b) Dry in hot air oven (c) Wash with hot water (d) Clean with soap and
1. Bihar caterpillar is controlled by : (a) leaf plucking (b) spraying of DDT (c) installation of light trap (d) yellow sticky trap 2. Jassid attacks mostly the : (a) Root (b) Leaf (c) stem (d) the trunk 3. Brown beetle in Assam causes maximum injury during : (a) November – December (b) October –
1. Which country is producing all the four commercial silk in the world? (a) India (b) China (c) South Korea (d) Japan 2. Muga silk is produced only in : (a) India (b) Bangladesh (c) Pakistan (d) Myanmar 3. Define Sericulture. (a) Sericulture is the science that deals with the production of raw silk by
1. Water required for irrigation 1 acre inch is : (a) 33000 gallons (b) 22687 gallons (c) 25000 gallons (d) 30000 gallons 2. Micro tube is used for : (a) drip irrigation (b) spraying of water (c) general watering (d) storing water 3. The recommended dose of FYM per hectare per year is : (a)
1. Causal organism of white muscardine in silkworm Bombyx mori is (a) Nosema bombysis (b) Streptococcus bombysis (c) Bm CPV (d) Beauveria bassiana 2. Sotto disease is caused by (a) Aspergillosis (b) Bacillus thurengiensis (c) Streptococci bacteria (d) Baculo virus 3. Vijetha is a (a) General disinfectant (b) Bed disinfectant (c) Insecticide (d) Pesticide 4.
1. Cultural method for reducing Powdery mildew (a) Timely utilization of leaves (b) Intercropping (c) Adoption of wider spacing (d) All of these 2. Leaf rust in Som can be reduced by foliar spray of (a) 1.0% Dithane M-45 (b) 1.0% Bordeaux (c) 1.5% Nuvan (d) 1.0% Captan 3. Which one is a soil borne
1. The total life span of Eri silkworm is (a) 50 days (b) 50-120 days (c) 30-35 days (d) 50-55 days 2. Which silkworm produces open end cocoon (a) Muga silkworm (b) Mulberry silkworm (c) Eri silkworm (d) Tasar silkworm 3. Aherua crop in Muga culture is a (a) Seed crop (b) Second commercial crop
