Test - 8 — Agri Master Mind
The optimum plant population per hectare of sorghum is
- 50,000 plants
- 1,00,000 plants
- 1,50,000 plants
- 2,00,000 plants
Which vegetable oil is good for heart patients .
- Groundnut
- Soyabean
- Sunflower
- Mustard
A short duration crop in between two main seasonal crops is termed as
- Cash crop
- Companion crop
- Catch crop
- Inter crop
Which form of nitrogen is available in urea
- Ammonical
- Nitrite
- Amide
- Nitrate
Salts in the xylem ducts of the root are carried upward with
- Photosynthesis
- Guttation
- Transpiration stream
- Respiration
Application of potash in crops increases
- Water logging resistance
- Frost resistance
- Disease resistance
- None of these
The herbicides containing carbon and hydrogen in their molecule are called
- Arsenic
- Inorganic herbicide
- Organic herbicide
- Salt
The removal of terminal growing point in cotton once from each plant at a height of 1 to 1.2 m to arrest terminal growth is called
- Detasseling
- Rouging
- Topping
- Thinning
Dolomite is
- CaCO3
- Ca(OH)2
- MgCO3CaCO3
- MgSO4
Hybrid rice for commercial production was first evolved in
- India
- Africa
- China
- Japan
Neutron scattering method is not useful in estimating the moisture
- Acidic soils
- Alluvial soils
- Organic soils
- Lateritic soils
If the rate of application per hectare is 3.00 kg a.i., the quantity of simazine WP (80% ai) required to be sprayed in 0.20 hectare area would be
- 0.50 kg
- 1.25 kg
- 0.75 kg
- 1.87 kg
A’ value concept was given by
- Sorenson
- Schofield
- Fried and Dean
- Beckett
The crops that are grown on boundaries of the field for protection against insects, diseases, nematodes etc., are called as
- Catch crops
- Mixed crops
- Trap crops
- Cover crops
The effective sowing time of cotton crop in Southern India is
- July – August
- . June – July
- August – September
- November – December
The origin place of Potato is
- China
- Japan
- South America
- Africa
Golden rice is a rich source of
- Vitamin B
- Vitamin C
- Vitamin A
- Vitamin D
The collecting and storing water on the surface of the soil for subsequent use and a method to induce, collect, store and conserve local surface runoff for agriculture in arid and semiarid regions is called as
- Water use efficiency
- Water potential
- Water harvesting
- Surface harvesting
Which one of the following causes more wastages of herbicide by drift
- Pencillium notatum
- Bacillus subtilis
- Trichoderma viridiae
- Sclerotium rolfsii
Which one of the following disease not induce floral abnormalities
- Green ear of bajra
- White rust of crucifers
- Downy mildew of mustard
- . None of these
Remote sensing helps in studying
- Cropped area
- Underground water
- Soil characters
- All of the above
The type of fertilizers, in which India is fully dependent on imports
- Nitrogen
- Phosphorus
- Potassium
- None of the above
By product produced during paneer making is known as
- Mawa
- Malt
- Whey
- Bran
The element that is essential for bio-synthesis of tryptophane is .
- Calcium
- Sodium
- . Zinc
- Nitrogen
In 1945, the scientists who had developed the first herbicide 2,4-D in world are
- Watson and Crick
- Arnold and Arnon
- Zimmerman and Hitchkock
- Shull and John
First KVK in India established in Pondichery in the year
- 1967
- 1982
- 1974
- 1972
Dead heart and white head damage to rice is caused by
- Gall midge
- Leaf roller
- Stem borer
- Army worm
Silvery shoot or onion leaf symptom of rice tillers is caused by
- Rice hispa
- Leaf roller
- Gall midge
- Gandhi bug
The head of an insect is composed of segments, whose number is
- 2
- 4
- 6
- 8
Which insect pest of grapes is not present in India
- Grapevine bettle
- Grapevine girdler
- Grape phylloxera
- Grapevine thrips
Dual Descrimination Theory of host plant selection was proposed by
- M. Kogan
- G.S. Graenkel
- G.G. Kennedy and J.D. Babour
- C.T. Brues
Retardation in lint development in cotton is caused by
- Spotted bollworm
- Cotton whitefly
- Pink bollworm
- Dusky cotton bug
Destructive Insects and Pests Act was passed in
- 1947
- 1968
- 1914
- 1932
Bacillus thuringiensis was first isolated from silkworm in
- 1912
- 1932
- 1902
- 1942
Dipel is a commercial preparation based on
- Fungus
- Nematode
- Bacterium
- Virus
Staining of lint in cotton is caused by
- American bollworm
- Cotton jassid
- Red cotton bug
- Cotton aphid
Tribolium castaneum is a pest of
- Cabbage
- Tomato
- Stored products
- Okra
Which is not secreted by the honey bee
- Beeswax
- Royal jelly
- Propolis
- All
. Which of the following is a neurotransmitter
- Acetyl
- Acetyl cholinesterase
- Acetylcholine
- Choline
Moveable frame hive was first introduced by L.L. Langstroth in
- 1751
- 1800
- 1851
- 1881
The scientific name of mole rat is
- Rattus rattus
- Mus musculus
- .Bandicota bengalensis
- Tatera indica
Which of these insecticides belongs to the nicotinoid group
- Nicotine sulphate
- Aldicarb
- Imidacloprid
- Dimethoate
Which of these insecticides is derived from actinimycetes
- Fipronil
- Pirate
- Spinosad
- Amitaz
Name the insecticide which is of annelid origin
- Abamectin
- Propoxur
- nerreistoxin
- Chlordimeform
Locust dors not feed on
- Shisham
- Accacia
- Neem
- Citrus
Which of these microorganisms is a protozoan
- Metarhizium anisopliae
- Bacillus popilliae
- Nosema locustae
- Verticillium lecanii
Which of the following soil clay mineral has highest weathering index?
- Vermiculite
- Montmorillonite
- Allophane
- Kaolinite
Carbon dioxide present in rain water
- 0.25%
- 0.45%
- 0.35%
- 0.55%
Which of the following is correct with respect to weathering index
- Calcite < Aragonite
- Quartz < Vermiculite
- Allophane < Montmorillonite
- Gibbsite < Cristobalite
Soil developed in-situ from underlying rocks are called
- Sedentary soil
- Transported Soil
- Moraine soil
- All of the above