Bread wheat has somatic chromosome number of?
A) 2n=14
B) 2n=42
C) 2n=28
D) 2n=56
Triple test cross is an extension of?
A) Top cross scheme
B) NCD II
C) Line x tester scheme
D) NCD III
HUW-234 is a variety of?
A) Pea
B) Rice
C) Wheat
D) Arhar
When a single cross hybrid is crossed with an open pollinated variety, it is termed as?
A) Top cross
B) Test cross
C) Double top cross
D) Three-way cross
The simplest form of progeny selection is?
A) Recurrent selection for gca
B) Mass selection
C) Ear-to-row method
D) Simple recurrent selection
Which of the following three generation system of multiplication is followed for seed production in India?
A) Breeder seed – foundation seed – certified seed
B) Nucleus seed – foundation seed – certified seed
C) Breeder seed – foundation seed – registered seed
D) Nucleus seed – registered seed – certified seed
Self-pollination increases?
A) Homozygosity
B) Heterozygosity
C) Heterogeneity
D) Homogeneity
Complementary gene action gives phenotypic ratio in F2:
A) 9:3:4
B) 9:7
C) 15:1
D) 12:3:1
Germplasm is also called?
A) Gene pool
B) Genetic resource
C) Gene bank
D) World collection
The source of reduced height (rht) genes used in wheat is?
A) Norin 10
B) Tom Thumb
C) Norin 10 and Tom Thumb
D) Dee-geo-woo-gen
Generally cereals are deficient in?
A) Methionine
B) Lysine
C) Tryptophan
D) Proline
Barley mutant Highproly has?
A) High protein and high lysine
B) Low protein and high lysine
C) High protein and low tryptophan
D) Low protein and low tryptophan
Pulses are generally deficient in?
A) Methionine and lysine
B) Tryptophan and Methionine
C) Tryptophan
D) Lysine
In a typical monohybrid cross, genotypic ratio in F2 will be?
A) 1:1
B) 3:1
C) 2:1:1
D) 1:2:1
In wheat, Rht3 gene is derived from?
A) Norin 10
B) Kalyan Sona
C) Tom Thumb
D) Norin 8
The chromosome Number (2n) of potato is?
A) 38
B) 48
C) 40
D) 42
Allopolyploidy is found in?
A) Banana
B) Raphanobrassica
C) Grapes
D) Sugarbeet
Trisomics are?
A) 2n – 1
B) 2n + 2
C) 2n + 1
D) 2n – 2 + 2
Progeny of a Nucleus seed is?
A) Certified seed
B) Foundation seed
C) Registered seed
D) Breeder seed
DNA is a polymer of?
A) Amino acids
B) Nucleosides
C) Nucleotides
D) None of these
Nullisomy is represented by?
A) 2n-1
B) 2n-1-1
C) 2n-2
D) 2n+1
Synaptonemal complex develops during?
A) Leptotene
B) Zygotene
C) Pachytene
D) Diplotene
The Unit of mutation in a gene is known as?
A) Hot Spot
B) Muton
C) Cistron
D) Recon
Ergot is a designated disease of?
A) Bajra
B) Wheat
C) Pigeonpea
D) Sugarcane
In seed Technology “Ear” means?
A) Type of inflorescence
B) Type of seed
C) Vigour testing method
D) None of these
R–line is used for?
A) Hybrid seed production
B) Development of haploid
C) Breeding insect resistant varieties
D) Maintenance of male sterility
The dormancy of the seed is due to?
A) Genetic factors
B) Physiological factors
C) Physical hindrance
D) All of these
Maximum genetic purity is found in?
A) Foundation seed
B) Certified seed
C) Breeder seed
D) Nucleus seed
The germination in onion seed is?
A) Epigeal
B) Hypogeal
C) Viviparous
D) None of these
Genetic purity of the seed is tested by?
A) Tetrazolium test
B) Grow out test
C) Dormancy test
D) Moisture test
In which of the varieties/hybrids three lines are required?
A) CSII-1
B) Aparna
C) HD 2288
D) Amber
In one of the following crops fermentation method of seed extraction is followed?
A) Wheat
B) Cauliflower
C) Onion
D) Brinjal
The ancient method of seed storage at village level was?
A) Earthen pot
B) Gunny bags
C) Bins
D) Polythene bags
Tetrazolium test involves?
A) Physical Action
B) Chemical action
C) Biochemical action
D) All of these
Composite seeds are produced in?
A) Carrot
B) Mungbean
C) Castor
D) Sugarbeet
Bruchids are serious store grain pests of?
A) Mustard
B) Sunflower
C) Pulses
D) Onion
The scutellum is found in one of the following seeds?
A) Okra
B) Barley
C) Mustard
D) Brinjal
Sulphuric acid delinting is done in?
A) Jute
B) Linseed
C) Cotton
D) Mesta
Ray florets are found in the family?
A) Cruciferae
B) Malvaceae
C) Compositae
D) Graminae
One of the following seeds is albuminous?
A) Chickpea
B) Castor
C) Wheat
D) Oats
In quality seeds our primary concern is with?
A) Endosperm
B) Embryo
C) Seed coat
D) All of these
Ear cockle disease in wheat is caused by?
A) Insect
B) Nematode
C) Virus
D) Fungus
Maximum hard seeds are found in the family?
A) Cruciferae
B) Graminae
C) Leguminosae
D) Solanaceae
Which one of the following is the botanical seed?
A) Sugarcane set
B) Potato tubers
C) Chickpea grain
D) Napier slips
Development of seed without fertilization is called?
A) Parthenocarpy
B) Androgenesis
C) Apomixisis
D) Apogamy
Coleorhiza is found in?
A) Mustard
B) Oats
C) Chickpea
D) Berseem
Which of the following is not essential for photosynthesis?
A) O2
B) Co2
C) Light
D) Chlorophyll
Identify the weed of family Gramineae?
A) Phalaris minor
B) Cyperus rotundus
C) Chenopodium album
D) Melilotus alba
Which of the following fertilizer has highest content of N?
A) Urea
B) Diammonium phosphate
C) Anhydrous ammonia
D) Ammonium nitrate
Identify 2:1 expanding type of clay mineral?
A) Montmorillonite
B) Illite
C) Kaolinite
D) Vermiculite
Which element induces disease tolerance in plants?
A) N
B) S
C) Ca
D) K
What is the scientific name of black gram?
A) Phaseolus aurius
B) Phaseolus mungo
C) Pisum sativum
D) Phaseolus vulgaris
Potato plant belongs to which family?
A) Graminae
B) Compositeae
C) Solanaceae
D) Malvaceae
Which micronutrient is commonly used in rice in India?
A) Mn
B) Zn
C) B
D) Fe
In which plant, aerenchyma cells are found?
A) Berseem
B) Rice
C) Oats
D) Cotton
Which of the following crop yields oil also?
A) Oat
B) Barley
C) Maize
D) Jowar
The instrument used to measure humidity of air is?
A) Hydrometer
B) Hygrometer
C) Lysimeter
D) Lactometer
Which method of soil moisture determination involves larger volume of soil?
A) Neutron probe
B) Tensiometer
C) Resistance block
D) Gravimetric
Which is the salt tolerant crop?
A) Peas
B) Rapeseed
C) Potato
D) Cabbage
Origin place of Bajra is?
A) Europe
B) Africa
C) Japan
D) China
IGFRI - 3 is a variety of?
A) Jowar
B) Bajra
C) Hybrid Napier
D) Cowpea
Application of gypsum is recommended for cultivation of?
A) Bajra
B) Jowar
C) Groundnut
D) Wheat
When to irrigate wheat crop if only one irrigation is available?
A) 20–25 DAS
B) 40–45 DAS
C) 60–70 DAS
D) 100–110 DAS
The rate of transpiration is measured by?
A) Ganong’s potometer
B) Manometer
C) Tensionmeter
D) Electron microscope
Wardan is a variety of?
A) Lucerne
B) Guar
C) Sengi
D) Berseem
'White bud' of maize is due to deficiency of?
A) Fe
B) Mn
C) Zn
D) Mo
Rotation of crops with two or more years of sown pasture is called?
A) Relay Cropping
B) Ley Farming
C) Multiple Cropping
D) Mixed Farming
Intercropping system with trees in association with food crops is called?
A) Aqua silvicultural system
B) Agro pastoral system
C) Agro silvicultural system
D) Alley cropping
Which element is maximum in black soil?
A) Nitrogen
B) Phosphorus
C) Potash
D) Sulphur
Which of the following crops is acid sensitive?
A) Paddy
B) Oats
C) Sorghum
D) Soybean

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