Practice Biology food production - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) Number of queens in a hive is
(a)
(b)
(c)
(d)
Q-2) Weeds can be controlled by- mechanical removal
- inter cropping & crop rotation
- Eco friendly weedicide (chemicals)
- proper seedbed preparation.
(a)
(b)
(c)
(d)
Q-3) All these are fodder crops except
(a)
(b)
(c)
(d)
Q-4) The cheapest high energy fruit crop of India is
(a)
(b)
(c)
(d)
Q-5) The principal cereal crop in India is
(a)
(b)
(c)
(d)
Q-6) Which one of the following plants is preferred for mixed cropping in order to enhance the bioavailability of nitrogen?
(a)
(b)
(c)
(d)
Q-7) Which one of the following plants is used for green manuring in India?
(a)
(b)
(c)
(d)
Q-8) This is not a biotic agent for oiling crops.
(a)
(b)
(c)
(d)
Q-9) Consider the following statements:- Molasses is a by-product of sugar production process.
- Bagasse obtained in the sugar mills is used as a fuel in the boilers to generate steam for the sugar factories.
- Sugar can only be produced from sugarcane as the raw material.
Which of these statements are correct?
(a)
(b)
(c)
(d)
Q-10) _______ is not a natural insecticide.
(a)
(b)
(c)
(d)
Q-11) Find out the correct sentence about manure
- Manure contains large quantities of organic matter and small quantities of nutrients
- It increases the water holding capacity of sandy soil.
- It helps in draining out an excess of water from clayey soil.
- Its excessive use pollutes the environment because it is made of animal excretory waste.
(a)
(b)
(c)
(d)
Q-12) Kranti, Pusa Agarni and Pusa Bold are improved varieties
(a)
(b)
(c)
(d)
Q-13) Nitrogen, Phosphorus, Potassium are examples of
(a)
(b)
(c)
(d)
Q-14) Which one of the following is an Italian bee variety?
(a)
(b)
(c)
(d)
Q-15) An example of a common herbicide is
- 2, 4 – D (2 – 4, dichlorophenoxyacetic acid).
- DDT (dichloro dimethyl tri phenolic acid)
- BHC (benzene hexa chloride)
- Atrazine.
(a)
(b)
(c)
(d)
Q-16) Which one among the following cattle breed produces highest amount of milk ?
(a)
(b)
(c)
(d)
Q-17) Consider the following statements about probiotic food:- Probiotic food contains live bacteria which are considered beneficial to humans.
- Probiotic food helps in maintaining gut flora.
Which of the statements given above is/are correct?
(a)
(b)
(c)
(d)
Q-18) Which among the following oils has the maximum protein content?
(a)
(b)
(c)
(d)
Q-19) Which one of the following is an improved variety of wheat?
(a)
(b)
(c)
(d)
Q-20) Dams are used for
- irrigation
- stopping the rainwater from flowing away.
- decreasing chances of soil erosion.
- increasing groundwater level.
(a)
(b)
(c)
(d)