Very Short Answer Questions - 1 Mark

Q1. What has green revolution led to?

Ans. Increased food grain production.

Q2. What has white revolution led to?

Ans. Increased production and more efficient management of milk.

Q3. Name the two factors on which food security depends.

Ans. Availability of food and access to it.

Q4. What should we do for a sustained livelihood?

Ans. We should adopt practices like mixed farming, intercropping and integrated farming Practices.

Q5. Which food items primarily supply proteins?

Ans. Pulses like gram, peas, lentils, etc.

Q6. Name any two fodder crops.

Ans. Berseem and Sudan grass

Q7. What are photoperiods related to?

Ans. Duration of sunlight

Q8. What is the duration of kharif season

Ans. From the month of June to October

Q9. What is the duration of Rabi season?

Ans. From the month of November to April

Q10. Name two kharif crops.

Ans. Paddy and maize

Q11. Name two rabi crops.

Ans. Wheat and mustard

Q12. Name the three stages in which farming practices are divided.

Ans. (1) Choice of seeds (2) Nurturing of crop plants, and (3) Protection of the growing and harvested crops. 

Q13. What is the name given to crops obtained by introducing a gene that provides the desired characteristic?

Ans. Genetically modified crops

Q14. Name any two factors for which crop variety improvement is done. 

Ans. Higher yield and improved quality.

Q15. How many nutrients are essential for plants? 

Ans. Sixteen.

Q16. What is FYM?

Ans. Farm Yard Manure

Q17. Name a biopesticide. 

Ans. Neem 

Q18. Why do droughts occur? 

Ans. The scarcity or irregular distribution of rainfall causes droughts.

Q19. What is the main benefit of mixed cropping? 

Ans. It reduces production risk and gives insurance against failure of all the crops. 

Q20. Give an example of crops grown in two-year rotation. 

Ans. Maize-potato-sugarcane-peas

Q21. Which one has more fat content-egg or meat? 

Ans. Egg (12 per cent) 

Q22. Name any two source of vitamin B2 and B12. 

Ans. Milk and meat. 

Q23. What are milch animals? 

Ans. Milk producing females of dairy animals are called milch animals.

Q24. Name two foreign cattle breeds that are selected for long lactation periods. 

Ans. Jersey and Brown Swiss. 

Q25. Name two cattle breeds which show excellent resistance of diseases. 

Ans. Red Sindhi and Sahiwal. 

Q26. Mention two signs of a healthy animal. 

Ans. A healthy animal feeds regularly and has a normal posture. 

Q27. Name the internal parasites which affect the stomach, intestine and liver in cattle. 

Ans. Stomach and intestine- Worms; Liver- Flukes. 

Q28. Name two breeds of buffaloes. 

Ans. Murrah and Mehsana. 

Q29. Name one exotic breed of cattle. 

Ans. Brown Swiss 

Q30. Name a nutrient which is not present in fertilisers. 

Ans. Iron 

Q31. Name one oil yielding plant 

Ans. Sunflower 

Q32. What was blue revolution meant for? 

Ans. For increase in fish production. 

Q33. Why should beekeeping be done in good pasturage? 

Ans. Beekeeping is done in good pasturage because good pasturage provides more quantity and quality of nectar for honey to the honeybees.