Crop Growth and Photoperiods Quiz

Play an AI-generated podcast conversation about this lesson

Which factor is MOST important for the growth and completion of a crop's life cycle?

Soil fertility

Photoperiod (correct)

Rainfall

Temperature

What is the main purpose of hybridization in crop improvement?

To introduce disease resistance

To increase product quality

To combine desirable characteristics from different plants (correct)

To increase crop yields

Which of the following is NOT a type of hybridization mentioned in the text?

Intervarietal

Interploid (correct)

Intergeneric

Interspecific

What is the primary purpose of introducing a new gene into a crop variety?

To provide the desired characteristic Signup and view all the answers

What is the main factor that determines whether a new crop variety will be accepted?

Its ability to withstand different environmental conditions Signup and view all the answers

Which of the following is NOT a type of crop improvement method mentioned in the text?

Genetically modifying the crop Signup and view all the answers

What is the purpose of genetic manipulation in agricultural practices?

To enhance resistance to biotic and abiotic stresses Signup and view all the answers

What is the main purpose of poultry farming?

To produce both meat and eggs Signup and view all the answers

What is the most common fish farming system used to increase fish production?

Composite fish culture Signup and view all the answers

What is the primary purpose of using manure and fertilizers in fields?

To enhance crop growth and yield Signup and view all the answers

What is the key advantage of crop rotation?

It improves soil fertility Signup and view all the answers

What is the primary purpose of cross-breeding in poultry farming?

To increase variety and adaptability Signup and view all the answers

What is the key implication of the statement that 'poultry is India's most efficient converter of low fibre food stuff (which is unfit for human consumption) into highly nutritious animal protein food'?

Poultry can convert inedible agricultural waste into high-quality protein for human consumption. Signup and view all the answers

What is a key difference in the management practices between broiler chickens and egg-laying hens?

Broilers require more stringent temperature and hygiene control in their housing. Signup and view all the answers

Which of the following is NOT a common management practice in both dairy and poultry farming?

Monitoring and regulating lighting in the production facilities. Signup and view all the answers

What is the primary purpose of vaccinating poultry against infectious diseases?

To prevent the occurrence of infectious diseases in poultry farms. Signup and view all the answers

Which of the following is a key difference in the management of broiler chickens compared to egg-laying hens?

Broilers are fed a more protein-rich diet for faster growth and better meat quality. Signup and view all the answers

What is the primary purpose of the on-site visit to a local poultry farm mentioned in the activity?

To study the differences in management practices for growers, layers, and broilers. Signup and view all the answers

What is the primary distinction between capture fishing and culture fishery?

Capture fishing involves harvesting fish from natural aquatic ecosystems, while culture fishery involves raising fish in controlled environments. Signup and view all the answers

Which of the following is NOT mentioned as a popular marine fish variety in India?

Catfish Signup and view all the answers

What is the purpose of using a combination of five or six fish species in a single fishpond in culture fishery?

To ensure that the fish species do not compete for food resources. Signup and view all the answers

Which of the following is NOT mentioned as a marine fish that is farmed in seawater?

Salmon Signup and view all the answers

What is the primary purpose of using satellites and echo-sounders in marine fisheries?

To locate and track large schools of fish in the open sea. Signup and view all the answers

Which of the following is NOT mentioned as a shellfish farmed in seawater?

Crabs Signup and view all the answers

Which of the following statements about weed control methods is incorrect?

Intercropping and crop rotation do not help in weed control. Signup and view all the answers

Based on the information provided, which condition would offer the highest crop yield and least environmental impact?

Farmers use quality seeds, adopt irrigation, use fertilizers, and use crop protection measures. Signup and view all the answers

According to the nutritional values provided, which animal product has the highest percentage of water content?

Milk (Cow) Signup and view all the answers

Which of the following vitamins is present in both meat and fish, according to the table?

Vitamin B2 Signup and view all the answers

Based on the information provided, which statement is true about the use of chemical weed and pest control measures?

Excessive use can be poisonous to plants and animals and cause pollution. Signup and view all the answers

What is the purpose of summer ploughing, as mentioned in the text?

To destroy weeds and pests by deep ploughing in summers. Signup and view all the answers