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
1. Silkworms are fond of dim light (a) 15-20 lux (b) 15-30 lux (c) 10-30 lux (d) 20-30 lux 2. Silkworm settle for first moults in _____________ from the date of brushing (a) 4 days (b) 2 days (c) 3 days (d) 4-5 days 3. What is the best method of late age rearing (a)
1. Ideal pH of soil for Mulberry is in the range of (a) 8.5 – 9.5 (b) 6.8 – 7.5 (c) 3.5 – 4.5 (d) 10.5 – 12.3 2. Acidic soil can be rectified by application of (a) Bleaching (b) Gypsum (c) Lime (d) RKO 3. For rainfed Mulberry cultivation, applications of FYM per Pit
1. Castor varieties ideal for North-East (a) NBR, Kalpi-6 (b) DCH-177, NBG (c) NBR, NBG (d) GCH, Kalpi-6 2. Muga Silkworm is monopoly only to. (a) Mizoram (b) Assam (c) Nagaland (d) Manipur 3. During Pruning _________ paste may be applied to cut portions to prevent infections. (a) Blitox (b) Rogor (c) Dimathane M 45
1. A tyre is specified as P 205/75 R14. The digit 75 stands for : (A) Radius (B) Diameter (C) Aspect ratio (D) Speed rate 2. Which of the following starting drive is used in vehicle ? (A) Bendix drive (B) Torque tube drive (C) Hotchkiss drive (D) Full floating drive 3. In the fully
1. Increase of torque in a vehicle is obtained by : (A) Increasing speed (B) Decreasing speed (C) Increasing power (D) All of the above 2. Speed of the driving gear (A) 1500 rpm, speed of the driven gear (B) mesh with A is 3000 rpm. What is gear ratio ? (A) 2 (B) 0.5
1. The clearance between the valve and rocker arm is measured by using : (A) inside micrometer (B) feeler gauge (C) wire gauge (D) outside micrometer 2. The device used to reduce the exhaust noize is known as : (A) exhaust manifold (B) muffler (C) tail pipe (D) exhaust pipe 3. In case of Trucks,
1. Which type of front suspension gives maximum space for engine installation ? (A) Wishbone suspension system (B) Mac Pherson strut suspension system (C) Trailing link suspension system (D) Vertical guide suspension 2. The ride quality of a vehicle will be maximum when : (A) The sprung weight is maximum (B) The sprung weight is
