ch 15 9 sci mcq

Q1. Capture fishery is a method of obtaining fish from natural resources.

• True
• False
• Q2. In mixed cropping, which two crops cannot be grown together?
  • Maize and urad bean
  • Sorghum and pigeon pea
  • Wheat and maize
  • Wheat and mustard
  • Q3. Leguminous plants help to replenish the nitrogen content in the soil.
    • True
    • False
    • Q4. Among the following which is not a macronutrient?

      • Nitrogen
      • Phosphorus
      • Copper
      • Sulphur
      • Q5. Genetically modified plants can be produced by transferring desired
        • Genes
        • Proteins
        • Plasmids
        • RNA
        • Q6. The shorter the duration of the crop from sowing to harvesting, the more economical will be the variety of the crop. 
          • True
          • False
          • Q7. Pusa Lerma is an improved variety of
            • Rice
            • Wheat
            • Maize
            • Soyabean
            • Q8. Apis mellifera is an Italian variety of bee.
              • True
              • False
              • Q9. Mixed cropping is an insurance against crop failure due to abnormal weather conditions.
                • True
                • False
                • Q10. Weed management techniques aim at keeping the land weed free.
                  • True
                  • False
                  • Q11. In India, poultry birds are used for providing egg and meat.

                    • True
                    • False
                    • Q12. Chickens or turkeys raised specifically for meat are called
                      • Broilers
                      • Hybrids
                      • Pullets
                      • Layers
                      • Q13. Shark liver oil and cod liver oil are rich in vitamins A and D.
                        • True
                        • False
                        • Q14. During harvesting weeds get mixed with crop's produce to downgrade its quality.
                          • True
                          • False
                          • Q15. Fumigation is the most effective method of destroying insects in stored food grains.
                            • True
                            • False
                            • Q16. Which of the following nutrients are absorbed by plants in large quantities from soil?
                              • Iron
                              • Zinc
                              • Sulphur
                              • Manganese
                              • Q17. Growing of different crops on the same land in pre-planned succession is called mixed cropping. 
                                • True
                                • False
                                • Q18. Find the odd one out.
                                  • Maize
                                  • Millets
                                  • Pigeon pea
                                  • Sorghum
                                  • Q19. Poultry feed has a higher level of
                                    • Vitamin B and K
                                    • Vitamin C and D
                                    • Vitamin A and E
                                    • Vitamin A and K
                                    • Q20. Ganga-5 is a hybrid variety of
                                      • Wheat
                                      • Rice
                                      • Maize
                                      • Gram
                                      • Q21. Which of the following is a type of surface irrigation?
                                        • Basin Irrigation
                                        • Furrow Irrigation
                                        • Border irrigation
                                        • All of these
                                        • Q22. Which of the following is an exotic breed of cow?
                                          • Red sindhi
                                          • Sahiwal
                                          • Jersey
                                          • Gir
                                          • Q23. 2,4 D is a
                                            • Pesticide
                                            • Weedicide
                                            • Insecticide
                                            • All of these
                                            • Q24. Awareness to use organic food is very high in developed societies.
                                              • True
                                              • False
                                              • Q25. A poor quality of feed directly affects the yield of milk in cows and buffaloes.
                                                • True
                                                • False
                                                • Q26. Rabi crops are grown in monsoon.

                                                  • True
                                                  • False
                                                  • Q27. Chalkboard is a viral disease in animals.
                                                    • True
                                                    • False
                                                    • Q28. Which of the following is not considered as primary a nutrient for plants?
                                                      • Oxygen
                                                      • Nitrogen
                                                      • Phosphorus
                                                      • Potassium
                                                      • Q29. Practice of culturing marine fish is known as
                                                        • Pisciculture
                                                        • Aquaculture
                                                        • Mariculture
                                                        • Sericulture
                                                        • Q30. Agriculture is the art and science of cultivating soil, producing crops, rearing animals for food and useful products.
                                                          • True
                                                          • False