NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Agriculture MCQs (Practice_Test 39 of 56)
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- Composites ar developed by using
- Advanced generation seed mixtures obtained from high yielding intervarietal or interracial crosses
- Hybrid directly from intervarietal crosses
- recurrent selections for specific combining ability
- The hybrid of an inbred with an openpollinated variety
- Plants grown from the seed of an openpollinated variety o maize
- Var in plant height as well as seed characters
- Ar unifor in plant height and seed characters
- Var in plant height but ar unifor in seed characters
- Ar unifor in plant height but var in seed characters
- Superiority of heterozygote leads to
- Fixation of recessive allele
- Fixation of dominant allele
- Maintenance of both the alleles
- Depression of inbreeding
- Consider the following statements: Composites ar mor popular than the hybrid varieties because the seeds produced by a composite variety
- Can be used again as seed for 3 to 4 years
- Have negligible inbreeding effect
- Make varietals maintenance easy.
- Of these statements
- 1,2 and 3 are correct
- 1 and 2 are correct
- 2 and 3 are correct
- 1 and 3 are correct
- Consider the following international crop improvement institutes:
- International Centr for Maize and Wheat Improvement, Mexico
- Inter national Crops research Institute for the Semi Arid Tropics, India.
- International rice research Institute, Philippines.
- International Centr for Potato, Peru
- The correct chronological order in which these institutes wer established is
- 1,3, 2,4
- 3,1, 2,4
- 3,1, 4,2
- 1,3, 4,2
- The initial gene pool of a composite population is composed of
- Inbred lines
- Isolines
- Pur lines
- Single plants derived from crosses and⟋or germplasm lines
- rice varieties Ir 20, Ir 26 and Ir 36 have shown better resistance to
- Tungro
- Bacterial leaf blight
- Blast
- Brown plant hopper
- In cotton, the popularly grown commercial hybrid ‘varalaxmi’ is the product of
- Intraspecific hybridization in Gossypium hirsutum
- Intraspecific hybridization in Gossypium barbadense
- Interspecific hybridization between Gossypium hirsutum and Gossypium barbadense
- Interspecific hybridization between
- Gossypiuym arboretum and
- Gossypium herbaceum
- Jawahar Vikram, Kisan and Sona the important varieties of maize are
- Double-oss hybrids
- Synthetic varieties
- Composite varieties
- Single-oss hybrids
- The initial gene pool of a synthetic population is composed of
- Plants from an open-llinated variety
- Pur lines
- Inbred lines
- Isolines
- Consider the following sets of varieties of wheat:
- Sonalika and Safed Lerma
- Lerma rojo and Chhoti Lerma
- Heer and Moti
- The 3-ne dwar varieties of wheat would include
- 1,2 and 3
- 1 alone
- 2 and 3
- 3 alone
- In maize, ‘ganga-fed’ is a
- Single-oss hybrid
- Double-oss hybrid
- Three-y cross hybrid
- Double top cross hybrid
- Litchi does NOT flower in South Indian plateau in winter months
- For want o sufficient low temperature in winter months
- Because of the high temperature prevalent at the time of flower formation
- Because of high relative humidity present at the time of flower formation
- Because of the excessive light stimulus present at the time of flower formation
- In the case of potato, the seed rate per hectare
- 1 quintal
- 5 quintals
- 10 quintals
- 15 quintals
- Grapes ar pruned only once in northern India while they ar pruned twice in souther India. This difference is due to the fact that grapes
- Shed leaves in winter in norther India while they remain evergreen in souther India
- Ar early in bearing is norther India while they bear late in souther India
- Bear lightly in norther India while they bear heavily in souther India
- Ar less prone to diseases in northern
- India while they ar mor prone to diseases in souther India
- Which one of the following rose cultivars has striped flowers?
- Abhisarica
- Bhim
- Chitchore
- Mrinalini
- Consider the following species:
- Bougainvillea
- Hibiscus
- Lantana
- Poinsettia
- The species wher the foliage beauty is due to modification of leaves as bracts would include
- 1 and 2
- 2 and 3
- 3 and 4
- 1 and 4
- Consider the following statements: In early pre-aring life of pear orchards, peach is grown in between pear trees because it
- Generates some additional income.
- Protects pear trees from hot winds.
- Improves micro-imate for pears.
- Prevents sun scald of pear fruit.
- Of these statements
- 1 alone is correct
- 2 and 3 are correct
- 1 and 4 are correct
- 1,2 and 4 are correct
- Consider the following statements: Mulching of banana crop with black polythene reduces the population of weed because it
- restricts the supply of oxygen.
- results in excessive moistur in the root zone of weeds.
- Obstructs light and hence the weed starves.
- Of these statements
- 1 and 2 are correct
- 2 and3 are correct
- 3 alone is correct
- 1,2 and 3 are correct
- Which one of the following fruits contains mor fat than the rest?
- Apple
- Guava
- Avocado
- Jack fruit
- Match List I (Fruits) with List II (Carbohydrates content) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 39 of 56) List-I List-II - Jack fruit
- Banana
- Guava (plains)
- Mango (ripe)
- 11%
- 14%
- 36%
- 19%
- A
- B
- C
- D
- 4
- 3
- 2
- 1
- 4
- 3
- 2
- 1
- 3
- 4
- 2
- 1
- 3
- 4
- 1
- 2
- Which one of the following fruits is cured in smoke for ripening?
- Mango
- Orange
- Jackfruit
- Banana
- Lemon squash is preserved for a longer period without discoloration by the use of
- Malic acid and potassium metabisulphite
- Citric acid and potassium metabisulphite
- Benzoic acid and citric acid
- Potassium metabisulphite
- The flat sour spoilage of canned vegetables is due to
- Development of sour odour without gas production by microorganisms
- Gas formation by the microorganisms
- Corrosion of the tin plate
- A decrease in pH
- Match List I (Diseases) with List II (Causal organisms) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 39 of 56) List-I List-II - Citrus canker
- Black rot
- Brown rot
- Crown gall
- Pseudomonas solanacearum
- Agrobacterium tumefactions
- Xanthomonas campestris pv. Campestris
- Xanthomonas campestris pv. Citri
- A
- B
- C
- D
- 4
- 3
- 1
- 2
- 3
- 4
- 2
- 1
- 3
- 4
- 1
- 2
- 4
- 3
- 2
- 1
- Which of the following pair are correctly matched?
- Match Item 1: Brown spot of rice
- Match Item 2: Helminthosporium oryzae
- Match Item 1: Karnal bunt of wheat
- Match Item 2: Heovossia indica
- Match Item 1: Bunt of rice
- Match Item 2: Eovossia horrida
- Match Item 1: Hill bunt of wheat
- Match Item 2: Ustilago tritici
- Select the correct answer using the codes given below:
- 2,3 and 4
- 1,2 and 4
- 1,3 and 4
- 1,2 and 3
- Loose smut of wheat can be effectively controlled by
- Corporation
- Soil treatment with non-stemic fungicides
- Seed treatment with systemic fungicides
- Spraying the crop with fungicides
- Which one of the following correctly defines the period between inoculation and appearance of the first disease symptom?
- Penetration period
- Latent period
- Incubation period
- Infection period
- Match List I (Causal agent) with List II (Disease caused) and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 39 of 56) List-I List-II - Virus
- Mycoplasm
- Fungus
- Viroid
- Sesamum phyllody
- Potato spindle tuber
- Yellow vein mosaic of okra
- Downy mildew of bajra
- A
- B
- C
- D
- 1
- 3
- 2
- 4
- 3
- 1
- 4
- 2
- 3
- 1
- 2
- 4
- 1
- 3
- 4
- 2
- Match List I (Parasite) with List II (Nature of the parasite) and select the correct answer:
List-I | List-II |
|
|
- A
- B
- C
- D
- 1
- 2
- 3
- 4
- 2
- 4
- 3
- 1
- 2
- 4
- 1
- 3
- 1
- 2
- 4
- 3