Top 100 Important Everyday Science Mcqs Set-7 81- Artificial insemination involves the use of: A. Natural semen and natural diluent B. Natural semen and artificial diluent C. Artificial semen and natural diluent D. Artificial semen and artificial diluent View Answer Answer : B. Natural semen and artificial diluent Description 82- Weedicide used for rice is: A. DDTB. DalaponC. 2,4-DD. Ammonium sulfamate View Answer Answer : C. 2,4-D Description 83- The nitrogen in urea is present in the form of: A. AmideB. NitriteC. NitrateD. Ammonium View Answer Answer : A. Amide Description 84- Pulse crops can fix atmospheric nitrogen because of: A. Root hairsB. Aerial rootsC. Deep roots D. Root nodules View Answer Answer : D. Root nodules Description 85- Which of the following is a mixed fertilizer? A. NPKB. CAMC. AmmoniumD. Urea View Answer Answer : A. NPK Description 86- Which of the following is a Rabi crop? A. RiceB. CottonC. WheatD. Maize View Answer Answer : C. Wheat Description 87- Which of the following pesticides is not used as a fumigant? A. MalathionB. Aluminium phosphide C. Methyl bromide D. Ethylene dibromide View Answer Answer : A. Malathion Description 88- The common present elements in artificial fertilizer are: A. Nitrogen, calcium and phosphorus B. Phosphorus, barium and nitrogen C. Nitrogen, phosphorus and sodium D. Nitrogen, phosphorus and potassium View Answer Answer : D. Nitrogen, phosphorus and potassium Description 89- Stem cuttings are commonly used for regrowing: A. MangoB. SugarcaneC. CottonD. Banana View Answer Answer : B. Sugarcane Description 90- The propagation of plants by tissue culture technique is becoming popular because: A. It is the simplest technique B. Most plants respond to this technique C. The plants produced have uniform growth and productivity characteristicsD. Variability can be increased View Answer Answer : C. The plants produced have uniform growth and productivity characteristics Description 91- Which organ produces bile? A. LiverB. PancreasC. GallbladderD. Stomach View Answer Answer : A. Liver Description 92- Citrus fruit products should not be preserved in vessels of: A. TinB. SteelC. IronD. Copper View Answer Answer : D. Copper Description 93- Which of the following refers to 'Green Manure'? A. Putting NPK B. Putting farmyard manure C. Applying slurry manure obtained from gobar gas plants D. Growing leguminous crops and ploughing them into the soil View Answer Answer : D. Growing leguminous crops and ploughing them into the soil Description 94- Herbicides are used for the elimination of: A. InsectsB. PestsC. WeedsD. Plant diseases View Answer Answer : C. Weeds Description 95- Multiplication of large number of identical plants is done by: A. LayeringB. Tissue cultureC. HydroponicsD. Ringing View Answer Answer : B. Tissue culture Description 96- Which one of the following chemicals is most suitable to control storage insects on a small scale? A. B.H.CB. E.D.BC. SevidolD. Celphos View Answer Answer : D. Celphos Description 97- If safe storage is to be ensured, the moisture content of food grains at the time of harvesting should not be higher than: A. 14%B. 16%C. 18%D. 20% View Answer Answer : A. 14% Description 98- Which of the following cell organelles functions as the powerhouse of a living cell? A. ChloroplastB. MitochondriaC. RibosomeD. Golgi apparatus View Answer Answer : B. Mitochondria Description 99- Which of the following is/are found in plant cells but not in those of animals? A. MitochondriaB. ChromosomeC. Cell wall and lysosome D. Plastid and cell wall View Answer Answer : D. Plastid and cell wall Description 100- Transfer of genetic information from one generation to the other is accomplished by: A. DNAB. Messenger RNA C. Transfer RNA D. Both B and C View Answer Answer : A. DNA Description 1 2 3 4 5
