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Rajasthan Pre PG 2020

 


**Q.1** Which phylum in Animal Kingdom is represented by Snails and Slugs?  

- Proto  

- Coelenterata  

- Mollusca  

- Arthropoda  


Answer  


**Q.2** The minimum wind velocity required to initiate movement of soil particles is known as?  

- Critical velocity  

- Threshold velocity  

- Dynamic threshold velocity  

- Intrinsic velocity  


Answer  


**Q.3** Powdery mildew disease of mango is caused by?  

- Leveilula sp  

- Oidium sp  

- Erysiphe sp  

- Uncinula sp  


Answer  


**Q.4** Which is first evidenced ornamental plant?  

- Kadamba  

- Sal  

- Nagkesar  

- Pipal  


Answer  


**Q.5** Basipetal movement in plant is shown by the fungicide?  

- Bavistin  

- Metalaxyl  

- Etaconazole  

- Fosetyl Al  


Answer  


**Q.6** The discharge rates of drip emitters usually ranges from?  

- 2-10 litres/day  

- 2-10 litres/hr  

- 2-10 litres/min  

- 2-10 litres/sec  


Answer  


**Q.7** The muscles used to operate appendages in insect are?  

- Abductor muscles  

- Dorsal muscles  

- Basalar muscles  

- Axillary muscles  


Answer  


**Q.8** Negative income effect is stronger than positive substitution effect for?  

- Giffen goods  

- Capital goods  

- Normal goods  

- Economic goods  


Answer  


**Q.9** Which cell organelle is surrounded by single membrane?  

- Peroxisome  

- Chloroplast  

- Mitochondria  

- Nucleus  


Answer  


**Q.10** In the ultra-structure of mitochondrix, the inner membrane has series of inside folds is known as?  

- Matrix  

- Grannlamellae  

- Cristae  

- Stroma lamelle  


Answer  


**Q.11** Match series A with series and select correct answer?  

Series A | Series B  

Soybean | Rhizobium spp  

Cowpea | Rhizobium meliori  

Berseem | Rhizobium japonicum  

Luceme | Rhizobium trifolii  

- (i) (a) (ii) (d) (iii) (b) (iv) (c)  

- (i) (a) (ii) (d) (iii) (c) (iv) (b)  

- (i) (c) (ii) (b) (iii) (a) (iv) (d)  

- (i) (c) (ii) (a) (iii) (d) (iv) (b)  


Answer  


**Q.12** What is the simple arithmetic mean 16, 9, 13, 20, 16, 17, 21, 19?  

- 15.5  

- 16.5  

- 16.4  

- 17.5  


Answer  


**Q.13** Exoskeleton, functional wings, small size and hexapod locomotion are……… adaptations for insect dominance in nature?  

- Developmental  

- Specificity of food  

- Structural  

- Defence mechanism  


Answer  


**Q.14** When MP> AP, AP is?  

- Maximum  

- Increasing  

- Decreasing  

- Constant  


Answer  


**Q.15** Papaya Ring Spot virus is having genetic material as?  

- ssRNA  

- ssDNA  

- dsRNA  

- dsDNA  


Answer  


**Q.16** Which ratio shows the relationship between total assets and total liabilities?  

- Leverage ratio  

- Current ratio  

- Net capital ratio  

- Acid test ratio  


Answer  


**Q.17** Who proposed the first basic persuasive communication model?  

- Aristotle  

- Lasswell  

- Schramm  

- Berlo  


Answer  


**Q.18** Which of the following crop is believed to have China as the secondary center of origin?  

- Soybean  

- Maize  

- Radish  

- Brinjal  


Answer  


**Q.19** Trade name of bispyribac Na herbicide is?  

- Laudis  

- Axial  

- Sempre  

- Nominee gold  


Answer  


**Q.20** The garden architect Repton is associated with?  

- Italian Garden  

- French Garden  

- English Garden  

- Persian Garden  


Answer  


**Q.21** Hand collection of insect is a?  

- Biological method  

- Chemical method  

- Mechanical method  

- Physical method  


Answer  


**Q.22** The book “Extension Education is written by?  

- A.S. Sandhu  

- A. Adivi Reddy  

- G.L. Ready  

- S.V. Supe  


Answer  


**Q.23** Major insect pest of teak (Tectona grandis) is?  

- Hoplocerambyx spinicornis  

- Hyblata pura  

- Hypsipyla robusta  

- Atteva fabriciella  


Answer  


**Q.24** Based on temporal arrangement of agroforestry system, Home garden is an example of?  

- Interpolated  

- Concomitant  

- Coincident  

- Intermittent  


Answer  


**Q.25** Which one of the following is inorganic sulphur compound used as fungicide?  

- Thiram  

- Lime Sulphar  

- Ferbam  

- Maneb  


Answer  


**Q.26** In Arachnids, cephalothorax consists of four pairs of?  

- Wings  

- Walking legs  

- Antenne  

- Compound eyes  


Answer  


**Q.27** In ideal surface soil, solid, liquid and gaseous phase exist in the following proportion?  

- Solid (50%): liquid (25%) : gaseous (25%)  

- Solid (25%): liquid (50%): gaseous (25%)  

- Solid (25%): liquid (25%): gaseous (50%)  

- Solid (70%): liquid (15%): gaseous (15%)  


Answer  


**Q.28** Who wrote the book “Principles of population in 1798?  

- Alfred Marshall  

- Thomas Robert Maltes  

- Adam Smith  

- David Ricardo  


Answer  


**Q.29** Which one of the following is Simple interest disease?  

- Lute blight of potato  

- Set rust of what  

- Vascular wilt  

- Powdery mildew  


Answer  


**Q.30** The prosthetic group of alcohol dehydrogenase enzyme is?  

- Iron  

- Calcium  

- Copper  

- Zinc  


Answer  


**Q.31** Which part of the plant has horizontal growth habit?  

- Offset  

- Crown  

- Sucker  

- Runner  


Answer  


**Q.32** What is the name of the part of flower where stigmas emerge from the terminal end of cob?  

- Tassel  

- Fluff  

- Fuzz  

- Silk  


Answer  


**Q.33** ……..is the value of return sacrificed or foregone from the next best alternative activity?  

- Real Cost  

- Nominal Cost  

- Opportunity Cost  

- Economic Cost  


Answer  


**Q.34** As per F1 2019 report, total forest and tree cover of India is?  

- 19.09  

- 2.29%  

- 2.56%  

- 25.80%  


Answer  


**Q.35** Who suggested convergent improvement method for improving inbred lines without altering their proven combining ability?  

- Jenkins (1995)  

- Richey (1927)  

- Einset (1943)  

- Johnson (1939)  


Answer  


**Q.36** The highly wind erosion affected state (India) is?  

- M.P.  

- AP  

- Gujarat  

- Rajasthan  


Answer  


**Q.37** Horizon which is formed as a result of pedogenic processes and having distinct properties that can be described in terms of measurable oil properties is called?  

- C horizon  

- Diagnostic horizon  

- A-horizon  

- O-horizon  


Answer  


**Q.38** Example of Ketose sugar is?  

- Glucose  

- Fructose  

- Ribose  

- Galactose  


Answer  


**Q.39** Reaction of rock phosphate with phosphoric acid results in?  

- Single super phosphate  

- Phosphorus rich organic manure  

- Triple super phosphate  

- Rhenania phosphate  


Answer  


**Q.40** The heavy mortality in Khair & Sissco is due to root rot caused by?  

- Fomes annosus  

- Corricium samnicolor  

- Pseudomonas salonaceum  

- Ganoderma lucidum  


Answer  


**Q.41** Biotic components, producers, consumers and decomposers are structural components of?  

- Habitat  

- Community Ecology  

- Population Ecology  

- Ecosystem  


Answer  


**Q.42** Removal of a thin and fairly uniform layer of the soil from the land surface by runoff water is called as?  

- Torrent erosion  

- Sheet erosion  

- Glacial erosion  

- Geologic erosion  


Answer  


**Q.43** In Griffith (1928) experiment, which form of virulent bacteria D. pneumonia that secretes polysaccharide covering capsule and cause pneumonia in mice?  

- Globular  

- Dull  

- Ringh  

- Smooth  


Answer  


**Q.44** Unit of pH is?  

- Percent  

- Molar litre-1  

- dS m-1  

- Unit less  


Answer  


**Q.45** India is having…… water resources of the world?  

- 2%  

- 4%  

- 3.6%  

- 16.5%  


Answer  


**Q.46** Which is culture technique is used to obtain virus free plants?  

- Ovale culture  

- Meristem culture  

- Anther culture  

- ALL  


Answer  


**Q.47** Which one of the following is ICAR’s research repetition for research management?  

- KRISHI  

- UNNATI  

- SANGARH  

- ARYA  


Answer  


**Q.48** Factors affecting water erosion is expressed as? (where Ew, c, t, v and s are erosion due to action of water, climate, topography, vegetation and soils respectively)  

- Ew=f(c,t,v,s)  


Answer  


**Q.49** The flower colour of Dillenia indica is?  

- Purple  

- Red  

- Yellow  

- White  


Answer  


**Q.50** The bug Telenemis scrupulosa is employed as a bio-control agent against?  

- Parthenicom  

- Alligator weed  

- Lantana  

- Opuntia  


Answer  


**Q.51** Which one is not correctly matched?  

- Juglone - Black walnut  

- Marasmin - Higher plants  

- Choline - Sesbania  

- Sesquiterpene - Parthenium  


Answer  


**Q.52** Which one of the following is total root parasite of plants?  

- Striga  

- Orobanche  

- Cuscuta  

- Loranthus  


Answer  


**Q.53** Pusa Anupam variety of brinjal has been developed by?  

- Crossing Pusa Kranti × PPC rt  

- Crossing Arka Sheel x Arka Shirish  

- Crossing Japanese Long XR 34  

- Selection  


Answer  


**Q.54** In balanced fertilization, nutrient toxicity, environment pollution, deterioration of soil health, low nutrient use efficiency can be managed by?  

- Crop rotation  

- Use of high yielding varieties  

- Adopting nutrient recommendation  

- Inter-cropping  


Answer  


**Q.55** The usual diameter classes used in India are?  

- 5, 10, 15 cm  

- 1, 3, 5 cm  

- 2, 5, 10 cm  

- 10, 20, 30 cm  


Answer  


**Q.56** In the rotation of double helix, which groove allows binding to non-histone proteins?  

- Major groove  

- Split groove  

- Ligase groove  

- Minor groove  


Answer  


**Q.57** Entrepreneurship Development Institution of India is located at?  

- Guwahati  

- Ahmedabad  

- New Delhi  

- Bengaluru  


Answer  


**Q.58** Govt. of India launched this programme in 1986 to increase the production of oilseed and to reduce import and achieve self-sufficiency in edible oils?  

- IAAP  

- CAPART  

- IADP  

- TMO  


Answer  


**Q.59** Which is a gynodioecious variety of papaya?  

- Surya  

- Pusa Dwarf  

- Pusa Giant  

- Punjab Sweet  


Answer  


**Q.60** Which is an indeterminate variety of tomato?  

- Pusa Ruby  

- Pusa Gaurav  

- Pusa Early Dwarf  

- Pusa Sheetal  


Answer  


**Q.61** Monoclimax theory of plant succession was proposed by?  

- Whittaker  

- Odum  

- Clements  

- Aubreville  


Answer  


**Q.62** In pomology, the word pomum is derived from?  

- French term  

- Spanish term  

- Latin term  

- Greek term  


Answer  


**Q.63** Calculate the harvest index of maize, if grain yield is 5 t/ha and shelling percentage is 75 and Stover yield is 10.5 t/ha?  

- 0.29  

- 0.32  

- 0.36  

- 0.47  


Answer  


**Q.64** White leghorn breed of poultry belongs to?  

- English class  

- Asiatic class  

- American class  

- Mediterranean class  


Answer  


**Q.65** Which of the following is not a part of P.K. Nair agroforestry classification?  

- Structural basis  

- Ecological basis  

- Physiognomic basis  

- Functional basis  


Answer  


**Q.66** It is the definite outline of procedure or activities for solving different problems of Extension Programme?  

- Mission  

- Vision  

- Plan of work  

- Calendar of operation  


Answer  


**Q.67** Soil application of Phorate 10G @ 20kg/ha is done for the control of?  

- Paddy grasshopper  

- Painted bug  

- Blister beetle  

- White grub  


Answer  


**Q.68** Clamp connection is found in the member of fungi belonging to class?  

- Oomycetes  

- Ascomycetes  

- Basidiomycetes  

- Zygomycetes  


Answer  


**Q.69** Gene-for-gene hypothesis was given by?  

- E.J. Butler  

- H.H. Flor  

- Gierer and Schramm  

- M.A. Farlow  


Answer  


**Q.70** In which of the following crops, acclimatization is more rapid?  

- Self-pollinated  

- Cross pollinated  

- Often cross pollinated  

- Vegetatively propagated  


Answer  


**Q.71** Amount of food given to animal at a time or in portions intervals in 24 hours is called?  

- Diet  

- Feed  

- Ration  

- Steaming up  


Answer  


**Q.72** Soil textural class having highly desirable properties for most uses is?  

- Sand  

- Silty clay  

- Loam  

- Sandy loam  


Answer  


**Q.73** Which one of the following machines is not suitable for zero till planting of crops under surface residue condition?  

- Turbo happy seeder  

- Rotary disc drill  

- Double disc drill  

- Tyne opener zero till drill  


Answer  


**Q.74** These wet customary ways of behaving in society in which the society exerts some force for conformity?  

- Customers  

- Mores  

- Folkways  

- Traditions  


Answer  


**Q.75** ……… is a water soluble fix type wood preservative?  

- Arsenic copper chromate  

- Copper sulphate  

- Zinc chloride  

- Sodium pentachlorphenate  


Answer  


**Q.76** Proponent of “Marthandam” Rural Development Programme is?  

- Spencer Hatch  

- Daniel Hamilton  

- A.T. Mosher  

- M.K. Gandhi  


Answer  


**Q.77** The firing order of a stroke 4-cylinder engine is given as?  

- 1-2-3-4  

- 1-3-2-4  

- 1-3-4-2  

- 1-4-3-2  


Answer  


**Q.78** Which of the following is believed to be a primary center of origin of sorghum?  

- North-East Africa  

- Central America  

- South-East America  

- Northern Europe  


Answer  


**Q.79** German system “Waldfeldbau” is similar to the system?  

- Shifting cultivation  

- Home garden  

- Taungya  

- Alley cropping  


Answer  


**Q.80** The science that deals with the influence of soils on living things, particularly plants including human being use of land for plant growth is known as?  

- Agronomy  

- Crop science  

- Edaphology  

- Crop geometry  


Answer  


**Q.81** Act of giving birth to young ones after completion of gestation period is known as?  

- Parturition  

- Weaning  

- Micturition  

- Calving interval  


Answer  


**Q.82** Example of day-neutral plant is?  

- Phaseolus vulgaris (Kidney bean)  

- Chrysanthemum  

- Clover  

- Bryophyllum  


Answer  


**Q.83** The artificial sweetener known as Aspartame or NutraSweet is a?  

- Sugar  

- Dipeptide  

- Tripeptide  

- Purine  


Answer  


**Q.84** The first regulated market, Karanjia cotton market, was established in the year?  

- 1806  

- 1826  

- 1876  

- 1886  


Answer  


**Q.85** It is the largest phylum of Animal Kingdom?  

- Arthropod  

- Porifera  

- Annelida  

- Echinodermata  


Answer  


**Q.86** In the structural changes in chromosome, which type of change is not included?  

- Deletion  

- Nullisomics  

- Translocation  

- Inversion  


Answer  


**Q.87** Recorded forest area in Rajasthan as per FSI, 2019………… % of total geographical area of state?  

- 9.57%  

- 6.80%  

- 8.6%  

- 19.05  


Answer  


**Q.88** Closed floorspace requirement for a cow is?  

- 0 m²  

- 3.5 m²  

- 7.0 m²  

- 10 m²  


Answer  


**Q.89** Which of the following climate classification was modified by ICRISAT?  

- Troll  

- Thornthwaite  

- Lang  

- Martnees  


Answer  


**Q.90** Which of the following molecular marker is non-PCR based?  

- RAPD  

- AFLP  

- RFLP  

- CAPS  


Answer  


**Q.91** Which variety of chilli is suitable for extraction of Capsaicin?  

- Pusa Jwala  

- Andhra Jyoti  

- Punjab Lal  

- G-4  


Answer  


**Q.92** These are series of illustrated cards which when flashed or presented in a proper sequence tell a complete story?  

- Flash cards  

- Flannel graph  

- Bulletin board  

- Posters  


Answer  


**Q.93** In which of the following method, computerized control holding pipette is used for introduction of foreign DNA?  

- Particle Bombardment  

- Micro-projectiles  

- Micro-injection  

- Laser beam  


Answer  


**Q.94** Which one of the following millets can withstand drought and waterlogging both?  

- Finger millet  

- Little millet  

- Foxtail millet  

- Kodo millet  


Answer  


**Q.95** Which plant hormone causes plant tropism?  

- Cytokinin  

- Auxin  

- Ethylene  

- GA3  


Answer  


**Q.96** Lactic acid bacteria, useful for pickling, are most active at?  

- 20°C  

- 35°C  

- 41°C  

- 30°C  


Answer  


**Q.97** Which one of the following is known as Foliar nematode?  

- Aphelenchoides sp.  

- Trichodorus sp.  

- Belonolaimus sp.  

- Radopholus sp.  


Answer  


**Q.98** ………….tonnes of seed cane are required to raise settings for transplanting in 1 ha area of sugarcane (Transplanting Technique)?  

- 1  

- 2  

- 4  

- 10  


Answer  


**Q.99** Fire blight of pears and apples is caused by?  

- Ralstonia amylovora  

- Erwinia amylovora  

- Clavibacter michiganensis  

- Venturia inaequalis  


Answer  


**Q.100** Chlorosis, necrosis, reddening, stunting, new growth cessation etc. of plants are characterized as?  

- Visual nutrient toxicity symptoms  

- Visual nutrient deficiency symptoms  

- Visual frost injury symptoms  

- Visual water stress symptoms  


Answer  


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