Available Answers

1. 1.

   Fill in the blanks.

   1. The seeds of some plants such as rice and onion are first planted in a seedbed called ________________.
   2. ________________ crops are grown in winter season.
   3. The removal of unwanted plants from the field is called ______________.
   4. __________________ mainly include cows, buffaloes, goats and sheep.
   5. __________________ breeds of hens provide good quality meat but lay small-sized and less number of eggs.
   6. __________________ feed consists of mashed cereals like bajra, wheat, jowar, ragi and groundnut cake.
   7. The rearing and management of pigs is called ______________________.
   8. ________________ helps in building-up of haemoglobin in the blood.
   9. ________________ is used in the manifacturing of bakery products.
2. 2.

   Define horticulture.

3. 3.

   State if the following statements are true or false. Correct the statement if it is false.

   1. The science of growing vegetables, fruits and ornamental plants is known as pisciculture.
   2. The cash crops are grown for their commercial values to earn profits.
   3. Cotton, tobacco and sugarcane are example of food crops.
   4. Organic produce cannot be stored for a long time.
   5. In India, the White Revolution was led by the scientist, Dr. M.S. Swaminathan.
   6. Agar is obtained from red algae.
   7. Silk is obtained from lac insect.
   8. Roughage includes hay and straw of cereals, green fodder, silages and so on.
   9. Berkshire and White Yorkshire are indigenous breeds of pigs.
   10. Diatoms are extensively used in making metal polish and toothpaste.
   11. Edible mushrooms are a good source of vitamin B and vitamin D and minerals such as copper and potassium.
4. 4.

   Circle the odd one out. Give reasons for your choice.

   1. wheat, mustard, barely, millet, gram
   2. mustard, groundnut, sunflower, grass
   3. gram, peas, beans, cotton
   4. Aseel, White leghorn, Basera, Brahma
   5. Gaddi, Bikaneri, Rampuri, Jamnapuri
5. 5.

   Differentiate between food crops and cash crops.

6. 6.

   Differentiate between pisciculture and aquaculture.