NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Agriculture MCQs (Practice_Test 31 of 56)
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- With four bases A, U, G and C the possible number of triplet codons ar 64. If ther is no uracil, the number of codons will be
- None of the above
- A mendelian population means
- Self-llinated population
- Inbred population
- random-ting population
- Hybrid population
- Which one of the following is the site of protein synthesis?
- ribosome՚s
- t-A
- m-A
- r-A
- When homologous chromosomes fail to pair in Prophase-of melosis, the phenomenon is known as
- Desynapsis
- Non-sjunction
- A synapses
- Disjunction
- Which one of the following chemicals is used to induce polyploidy?
- Ethyl methane sulphonate
- Methyl methane sulphonate
- Colchicines
- Nitrous acid
- Which one of the following will be most suitable for growing under arid zone of India?
- Jack fruit
- Papaya
- Sweet Orange
- Ber (jujube)
- Which of the following stone fruits are grown in the plains of North India?
- Peach
- Plum
- Pear
- Select the correct answer from the codes given below:
- 1 and 2
- 2 and 3
- 1 only
- All 1,2 and 3
- Which is the correct sequence of the floral parts of a Pumpkin?
- Ovary, corolla and stigmatic lobes
- Corolla, stigmatic lobes and ovary
- Stigmatic lobes, ovar and corolla
- Corolla, ovar and stigmatic lobes
- Which one of the following soils is best for vegetable cultivation?
- Sandy
- Sandy loam
- Clay loam
- Clay
- The most widely used plant growth substance grape cultur for reducing compactness of bunches and improving berr size is
- NAA
- GA2
- IAA
- 2,4 − D
- The ill effects of submergence of roots of deciduous fruits plants in water for very long time, is due primarily to
- Lack of nutrients
- Lack of aeration
- Excess of moisture
- Poor absorption of moisture
- Which one of the following groups of crops is most suitable and recommended for inter-opping in the young orchards?
- Shor duration fodders
- Shor duration fruit crops
- Poplar and Eucalyptus
- Shor duration legume vegetables
- The main objective of growing intercrops with the main fruit crop is to
- Help the fruit crop to grow better
- Improve the soil fertility
- Check soil erosion
- None of the above
- In relation to crop rotation which one of the following statements is incorrect?
- Legume may be followed by nonlegume
- Vegetable susceptible to a particular pest should be followed by a resistant one
- Heavy feeder should be followed by low feeders
- Deep rooted crop should be followed by same type of crop
- Which one of the following vegetables is the richest source of protein?
- Pea
- Fenugreek
- Pointed Gourd
- Cucumber
- Which one of the following is the main cause for development of color pigment in the flave do of matur ripe Orange fruit?
- Hesperidin
- Naringin
- Carotene
- Chlorophyll
- Which one of the following f r u i t s will be most useful in human diet for avoiding survey disease?
- Mandarin Orange
- Guava
- Aonla (Phyllanthus emblica)
- Apple
- Citrus fruits can be preserved for a few weeks at room temperatur by
- Submerging them in cold water and then drying
- Keeping them in well ventilated room
- Putting them in an atmospher rich in CO2
- By wrapping individual fruit in HDP envelopes
- Sodium benzoate is added for preservation of most of fruit juices in the concentration of
- 01.05%
- . 06.10%
- 1.11. 5%
- 1.62. 0%
- What is the chemical formula of potassium metabolic sulphite, the most common preservative?
- KMS
- K2SO2
- KSO2
- K2S2O3
- What is the correct sequence in which the following events occur during pathogenesis or disease cycle?
- Penetration
- Colonization
- Infection
- Exit of pathogen
- 1,3, 2,4
- 1,2, 3,4
- 3.1,2, 4
- 4,2, 3,1
- Which one of the following is the cause of “Spreading decline” of citrus?
- Citrus nematode (Tylenchulus semipentrans)
- Burrowing nematode (radopholus similis)
- Fungaldisease
- Nutritional deficiency
- The incidence of “White grubs” is heavy in
- Heavily water-gged fields
- Dr fields having sandy-am soil
- Dr fields of heavy clay soil
- Deser land having little vegetation
- Which one of the following helps in maintaining the shape of nematodes?
- Pseudocoelomic fluid
- Cuticle and muscles
- Pseudocoelome
- Annulations of cuticle
- Green leaf hopper of paddy is the primary vector of
- Tungr disease
- Sheath rot disease
- Kresek disease
- Ufr disease
- Which of the following is a diseases of tomato?
- Ralstonia solanacearum
- Early blight
- Leaf mold
- Fulvia fulva
- White ear-ead in paddy is caused by
- Gallfly
- Green leaf hopper
- Yellow stem borer
- Stinkbug
- Match List I with List II and select the correct answer:
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Agriculture MCQs (Practice_Test 31 of 56) List-I (Contribution) List-II (Scientist) - A fungus is the cause of wheat-nt disease
- Moder techniques of growing microorganism in pur culture
- Discover of disease cycle of wheat rust in India befor 1 947
- Introduced the Viroid
- K C Mehta
- T O Diener
- Prevost
- Brefeld
- A
- B
- C
- D
- 1
- 2
- 3
- 4
- 2
- 3
- 1
- 4
- 3
- 4
- 1
- 2
- 4
- 1
- 2
- 3
- Which one of the following types of spraying is best done by manually operated knapsack sprayer having flat-n nozzle?
- High volume
- Low volume
- Ultr low volume
- Semi-w volume
- Domestic quarantine exists in India against
- Panama disease of banana
- Potato root eelworm
- San Jose scale
- Sugar beet eelworm
- Select the correct answer using the codes given below:
- 1 and 4
- 1 and 2
- 2 and 3
- 2,3 and 4