Plant Science ICAR – JRF Solved Paper 2018 (2nd)

Which ono of the following is to test the goodness-of-fit of a distribution?

Conservation Agriculture’ forms a Component of

Brassica juncoa has been evolved after the hybridization betwccn

Which organelle is found with half unit membrane?

Suicidal germination takes place in

Granite, an important rock, is classified as

Bllnd tillage refers to

Cell linkage theory was proposed by

Which of the following is 5C sugar?

During seed development, if the mechanical tissue develops from the outer epidermis of the outer intergument, then the secd is called as

Who found that a peculiar regularity exists in the ratios of nitrogenous Dases or double stranded DNA?

Crossing over between non – sister chromatids Of homologous chromosomes takes place during

Amylopectin is a carbohydrate which is

The megaspore mother cell is

During photosynthesis, oxygen is generated from

Group of salts found in sodic soils

Major micronutrient deficiency in tobacco is due to …………

Which of the following does not apply to SRI method of paddy cultivation?

Photoperiodism is

Which Of the following is common1y referred to as muriate of potash?

The enzyme responsible for the fixation of CO in mesophyll cells of C-4 plants is

Sccdless banana is an

Variation in diversity among plant population is influenced most by

The cDNA libraries can be prepare4by isolating

Oxysomes occurs in

Oxysomes occurs in

First pigeonpea hybrid developed through GMS in India

First cotton hybrid developed in the world

Which Of the following is mainly responsible for eutrophication?

The conversion Of CO2 and H20 into organic compounds using energy from light is

Nick transition is directly involved in which or the following process :

The tag colour of foundation seed is

Aromatic rice variety Tcxmati is patented by

Square root Of variance is

Which of the following method is an ultimate source of creating genetic variation?

Backcross method of selection is used for improving traits Which is

Restorer gene is located in

Southern corn blight epidemic Of maize was due to susceptibility Of

Source Of rust resistance gene in wheat is

Indian Journal of Agriculture Science is Published by

Most important organelle during germination which is characteristics Of plant in oil seeds

Which one of the following micro Organism is associated with phosphorus solubilisation

When the pH Of a solution is decreased one unit from 5 to 4 the (H+) ion concentration will

Minimum support prices for various crops are recommended by

Land races are

Cation exchange capacity (CEC) of mica is

Sulphur content (%) in potassium sulphate is

Sulphur soil testing is determined by using

Grass tetany is caused by deficiency of………………….in forage crops.

Which one of the following is an example of nutural chelate?

Which method is applied for testing of Fe, Zn, Cu and Mn?

Which one of the following is not a Mn mineral?

Which element is the only non metal among the micronutrients?

Molybdenosis, a disease in cattle, is caused by an imbalance of Mo and Cu in the diet, when Mo content of the forage is greater than…………..

Calcium hydroxide has a neutralizing value (calcium carbomate equivalent) of………………… .

…………………toxicity is probably the important growth limiting factor limiting factor in acid soils, paricularly when pH < 5.0 to 5.5

Lime recommendation is made on the basis of a …………… inch furrow slice

Which of following soils have poor physical condition?

Sodium adsorption ratio (SAR) can be calculated by using of formula

Leaching requirement can be estimated by formula

………………..refers to a condition in which a crop needs more of a given nutrient yet has shown no deficiency symptom

In sugarcane, which leaf is most appropriate for total tissue test

Which part of cotton plant is used for tissue test?

Diagnosis and recommendation integrated system (DRIS) is applicable for

Crop logging developed by CF Clement iscarried out for sugarcane in

In crop logging, during growing season, plant tissue is sampled every……….days and analysed for N, sugar, moisture and weight of the young sheath tissue

………….is the ratio of the increase in osmotic pressure produced by the fertilizer to that produced by the same weight of sodium nitrate.

From top 25% of effective root zome depht, how much quantity of total water extraction take place by roots

Weight of grain per bushel in corn is

Who considered the father of pedology?

Who consider the varios properties of soils in relation to plant production?

Unconsolidated material overlying rocks is known as

Vertical section of a soil is known as

The solum is comprised of

The organic soils commonly contain more than 50% organic matter by volume and at least…………by weight basis

Among primary minerals, most resistant to weathering is

Least resistant mineral to weathering is

Which of the following is a secondary mineral?

Inorganic parent material transported by gravity is

Wind blown materials, comprised primarily of silt with some fine sand and clay, are called

Passive factor of soil formation includes

Which soil order derived from volcanic ejecta and dominated by allophane or Al-humic complexes?

Lowest category of soil classification includes

Which one of the following is not correctly matched?

A clay soil must contain at least……….clay separate, to be designated a clay

Which type of structureis dominant in grasslands?

Per cent pore space can be calculated by using of which formula

Which one of the following water potential in soil is always positive?

In neutron misture meter, source of fast neutrons is/are

How much quantity of total incoming solar rediation is absorbed by the soil and can be used to warm it?

The external surface area of 1 g of colloidal clay is at least…………….times that of 1 g coarse sand

Magnesium in octahedral sheet of cly mineral indicates

Aluminium in octahedral sheet of cly mineral indicates

Pressure membrane apparatus is used to measure matric potential moisture content relation at potential values as low as

Availability of which micronutrient increases with increase in soil pH

Which lime is referred to as burned lime or quick lime?

‘White alkali’ soils are

Which group of microorganisms have highest biomass in soil?

Humus fraction lightest in colour is

The water holding capacity (WHC) of humus on a mass basis is ……. times that of the silicate clays

Which group of colloid have highest cation exchange capacity by volume basis?

In agricultural soils, ………….of the total nitrogen is found as fixed ammonium ion

Select the wrong pair from the following given below:

Zinc sulfate monohydrate contains Zn %

Boron content in borax (suhaga) is

The soil erodibility factor (K) indicates the inherent erodibility of a soil gives an indication of the soil loss from a unit plot…….m long with a 9% slope under continuous fallow culture

Land capability class restricted to recreation, wildlife, water supply, or aesthetic purposes is

Soft and unconsolidated calcium carbonate, usually mixed with varying amounts of clay or other impurities is described as

The smallest volume that can be called ‘ a soil’ is

Soils have no diagnostic pedogenic horizons are included in soil order

The microrelief of soils produced by expansion and concentration with change in moisture is known as

Flame photometer is used in the determination of

The extractant used for available phosphorus in soils is

Soils having 200 kg avaliable K2O/ha will be classed as

Sugarbeet is an indicator plant for

On the functional basis Fe, Zn ,Mn and Cu have been classified as

In Mitscherlich technique……………plants are grown to maturity

Calcium cynamide contains nitrogen (%)

Which of the following oil cakes, in addition to its manurial value, also acts as a nitrification inhibitor?

The term functional or metabolic nutrients was given by

Science dealing with the origin or formation of soil the unconsolidated parent material with special reference to factors and process of soil formation is known as

Rocks formation by solidification of molten magma at the surface of the earth are called

The rate of weathering is generally high in

The dominant spectral colour in soil indicates

The pH of the soil solution determines

The major source of negative charge on humus colloids is due to

The value of ESP in alkali soils is always

Most dominant mineral in eath crust is

Munsell colour chart contains about……different coloured papers or chips

A mature and dry plant tissue contain about………..protien (%)

The moisture equivalent was introduced by

Which type of soil survey use the lowest categories of taxonomic and mapping units, i.e. types and phases?

Flour apatite is a rich source of

Fe concentration used for foliar spray is

Equivalent acidity of anhydrous ammonia is

Molybdate reagent is used for estimation of

Who developed method for estimated of lime requirement?

Indicator plant of copper is

Aspergillus niger is used to test the status of which element in the soil

Mehlich’s cunninghamella plague method is used to test

Which science assumes the ststus of petrology, pedography and pedogenesis?

2:1:1 type of clay mineral contain an extra sheet of …as compared to 2:1 type of clay minerals.

Chemical formula of siderite is

The peeling off the pltes from parent rock due to differential expansion and contraction of minerals as a result of changes in temperature, is called as

The term catena (a Latin word means a chain) was introduced by

Silica : sesquioxide (R2O3) ratio for tropical ecoregion is

Hydromorphic soils are evolved by which process

Solodization refers to the removal of ……….. from the exchange sites

Pedoturbation is the process of

Permafrost is a layer where soil temperature is always

Which soil order have highest area in India?

In India, which soil order have negligible area?

Which mineral substance placed at number 10 in Mho’s scale?

Which rock is volcanic (extrusive) in native?

Which organic matter is > 1.5% in soil, rated as

A soil profile having sola, one above the other is known as

Chernozem soils are found in

Which of following mineral is non expanding 2:1 type mineral?

Which index proved to be useful to assess the dominating type of clay mineral in soil proposed by Martin and Russell?

Humus forming fungi includes which genera

Red sols are mainly confined to

Thermal conductivity follows the order

“Law of restitution” was proposed by

Nutrient index between 1.5 and 2.5 is categorized as

The coordinated project on long term fertilizer experiment was sponsored by ICAR in