Question 3 :
_____ parasites live on the skin and mainly cause skin diseases.
Question 5 :
The cross-breeding programmes between Indian (indigenous, for example, Aseel) and foreign (exotic, for example, Leghorn) breeds for variety improvement are focused on to develop new varieties for what types of desirable traits ?
Question 8 :
Manure contains large quantities of organic matter and also supplies small quantities of nutrients to the soil. TRUE or FALSE ?
Question 9 :
Exotic or foreign breeds (for example, Jersey, Brown Swiss) show excellent resistance to diseases. State TRUE or FALSE.
Question 12 :
Fish is a cheap source of animal protein for our food. TRUE or FALSE ?
Question 14 :
Soyabean + Maize, or Finger Millet (bajra) + Cowpea (lobia) are the examples of:
Question 17 :
Which one of the following species of honey bee is an Italian species ?
Question 18 :
True or false. Hybridisation refers to crossing between genetically dissimilar organisms.
Question 19 :
To solve the food problem of country, which among the
following necessary ?
Question 20 :
What are added to the soil of crop field to increase the fertility of soil and productivity of crop. They overcome the deficiency of nutrients in the soil of the field?
Question 21 :
______ is a manure rich pulverized organic matter and worm castings. It is formed by the activity of earthworms on organic remains.
Question 22 :
True or false. Bee-keeping should be done in a good pasturage as the quality and quantity of honey depends on the flora of the pasturage available for nectar and pollen collection.
Question 29 :
Which one is an oil yielding plant among the following ?
Question 30 :
Preventive measures and biological control methods are preferred for protecting crops. Is it true or false?
Question 33 :
An increase in the carbon dioxide content in the atmosphere would cause more heat to be retained by the atmosphere and lead to global warming.TRUE OR FALSE?
Question 35 :
Carbon is incorporated into life-forms through the basic process of photosynthesis which is performed in the presence of Sunlight by all life-forms that contain chlorophyll.TRUE OR FALSE?
Question 38 :
What among the following can be a major source of fresh water in a city/town/village ?
Question 39 :
Why do not lichens occur in Delhi whereas they commonly grow in Manali or Darjeeling?
Question 40 :
In combined form, oxygen occurs as ____ in the Earth's crust and also in the air.
Question 42 :
In the crust,oxygen is found as the oxides of most metals and silicon, and also as carbonate, sulphate, nitrate and other minerals.TRUE OR FALSE?
Question 43 :
Ozone absorbs harmful radiations from the Sun and prevents those harmful radiations from reaching the surface of the Earth where they may damage many forms of life.TRUE OR FALSE?