Plant Science Mock Test Series for ICAR, JRF, NABARD, BHU, Pre-PG, AFO, AAO, All Agriculture Exams

Gibberellic acid was first discovered from

The loose smut of barley is caused by the pathogen called

The DNA base sequences interrupting the protein- coding sequences of a gene; these sequences are transcribed into RNA but are cut out of the message before it is translated into protein was known as

Bacteria are considered to be plant because

The powdery mildew of wheat is associated with fungi named

An epidemic development in a variety carrying vertical resistance genes, and a low level of horizontal resistance, leading to heavy economic losses is referred to as

Which species contain Ti-plasmid i.e, tumour inducing plasmid ?

In 1969, the information about ‘Integrator gene’ was given by

The study of differences and similarities in genome structure and organization of different organisms is called

The ‘black wart disease’ of potato specially confined to Darjeeling hills is caused by the pathogen called

The major functions of ABA is/are

An asexual fruiting body or reproductive structure in a fungus is commonly known as

In Vr-Wr graph, when regression lines passes through the origin, indicates

The frequency of heterozygotes decreases in the progeny after matings among individuals of two previously isolated subpopulations is called as

Chromosome number Of Arabidopsis is

Plasmodiophora brassicae causes the club root disease of crucifers can be controlled by

Insertion Of normal DNA directly into cells of human beings to correct a genetic defect was known as

Improvement Of yield by making a selection for a component character is called

The foot rot Of wheat is caused by the pathogen called

A gene, one or more forms Of which isassociated with cancer. Many of these are involved, directly or indirectly, in controlling the rate of cell growth was known as

Fusion of male and gametes from the same plant is called

In 1976, the information about ‘Protooncogene to oncogene relationship’ was given by

Maize that produces kernels in which the starch that is contained within those kernels having at least 99 percent amylopectin, versus the average of 72- 76 percent amylopectin in common starch seed can be referred as

The sclerotial rot of barley is caused by the pathogen called

Insect jelly is composed of

Pollination between the pollen and stigma within the same flower Of the same plant is called as

The first and subsequent generation progenies of crosses of heterozygous facultative apomicts are called as

In 1971, the information about ‘Sensor gene’ was given by

A gene in pest which is able to break down the gene of the pest resistance in the plant and thus allows the pest to use the plant as a host is called as

The differences present among individuals belonging to a single species or to different species is called as

Burgundy mixture contains sodium carbonate in place of CaC03 as in Bordeaux mixture was discovered in the year

The process in which the use Of biologically active sewage sludge to hasten the breakdown of organic matter in raw sewage during secondary treatment is called as

Isopentenyl adenine is a precursor for

Bacteriophage is made up of

The book ‘Plant Disease’ written by

The situation in which two different alleles for a trait are expressed unblended in the phenotype of heterozygous individuals is called as

The adjacent cell of the same fungal hypha brought into communication with each other by means of loops is known

A localized collection of pus in a cavity formed by tissue disintegration is called

Teichoic acid found in

In Yr-Wr graph, when regression lines passes above the origin cutting Wr-axis, indicates

The synthesis of cell constituent; from Simpler molecules, usually requiring energy is called as

When a disease occurs periodically in a widespread area causing devastating damage to crop plants, it is known as

Race specific resistance i.e., resistance that operates against some races of a pathogen and not to others in plants are also known as

The compounds, Which act as inhibitors of transpiration rate through their highly specific action on guard cells is called as

A genetic marker that is detected as differential mobility of a Protein / DNA fragment or as differential amplification of a DNA sequence present in different individuals is known as

The best quality of lac is obtained from which host tree ?

G + C content of prokaryotes is

The causal organism Erysiphe graminisSP. Tritici produces

In 1925, the terms prokaryotes and eukaryotes was coined by

The largest gene found in the genome Of an RNA Virus is

The simultaneous manipulation of several characters for genetic improvement of economic yield is called

In 1964, Opaque-2 mutant of maize was given by

The decomposition of organic nitrogen Compounds, e.g., proteins, by microorganisms with the release of ammonia is called as

first time quarantine is started in India at :

Indian Agricultural Research Institute’ Pusa (Bihar) was shifted to Delhi in the year

The average oil Content of castor seed is :

The origin of maize is from

The cause of association between two variables can be measured by

The harmone ABA was first identified and characterized chemically in 1963

The proportion of different alleles of a gene present in a mendeiran population are known as

All bacteria having a conjugative plasmid will have

Pollen basket is the other name for

Wheat protein is called as

Male sterility is employed for the production of

The plants obtained through genetic engineering contain a gene or genes usually from an unrelated organism are called

Introduction Of DNA into cells by exposing them for very brief periods to high voltage electrical pulses, which is thought to induce transient pores in the plasma lemma is called

National Plant Protection Training Institute is located at

Use of a DNA or RNA probe to detect the presence of the complementary DNA sequence in cloned bacterial or cultured eukaryotic cells was known as

The proportion Of migrant individuals to the total number (after migration) of individuals in the population is called

An organic compound produced by plants that is required in small amounts in the diet for the normal growth Of animal organisms is known as

The alleles of a specific gene or all of the genes carried by an organism is called

The Indian born scientist, who was awarded the Nobel prize for DNA synthesis

In 1968, the information about ‘Antimutator gene’ was given by

‘AGMARK

A sequence located near the 5′-end of a domain that contains a cluster of DN Aase I hypersensitive sites and is essential for the expression of transcriptional units located within the domain is known as

Multiline and mixtures employ a series of resistance genes so that their plant populations together show some resistance to an the races of the pathogen. This type of resistance is often called as

Gram-positive bacteria that are characterized by the formation of branching filaments will be called as

The uredospores Of Puccinia graminis are disseminated by

The disease damping off seedlings during nursery Stage is caused by the pathogen

Ca is needed for synthesis of

Milk protein coagulated by acid is termed as

The study of the application of computer and statistical techniques to the management of information was known as

Bacterial transformation was reported by

In 1896, the ear to row method of breeding was given by

Loss of chromosome segment is known as

The quickest way to produce homozygous breeding lines from heterozygous parents is through

Fractional sterilization is :

In maize first product formed during photosynthesis is

The measure of uncontrolled variation present in a sample is called

Which is a natural genetic engineer ?

The protective sheath that covers the young shoot of the embryo in plants of the family Gramineae is called as

The bunt of wheat is caused-by the pathogen called

The family of locust is

A sequencing approach that uses several pooled samples simultaneously, greatly increasing sequencing speed was known as

A type of antigen-antibody reaction marked by an exaggerated physiological response to a substance in sensitive individuals is called as

Agrobacterigm rhizogenes cause the formation of

rDNA technology has application in

The phenomenon in which highly concentrated aqueous solutions of cryoprotective agents become so viscous at a sufficiently low temperature, that they solidify into a metastable glass state, without ice crystal formation at practical cooling rates is called

In 1903, the term ‘cytogenetics’ was coined by

A gene, which produces a product or phenotype that can be easily and unequivocally detected through simple tests is called as