राज्यसेवा मुख्य परीक्षा २०१५ GS-1

Which pollutant was responsible for the minamata disease epidemic that caused several deaths in Japan and Sweden due to consumption of contaminated fishes ?

Which one of the following two statements is incorrect?

(a) BOD gives a good idea about the level of organic waste pollution

(b) Sprinkler irrigation system is particularly suited to the loamy soils. Answer options :

Which of the following are the most widespread primary minerals in soils ?

Among the following, which group has plants that are all day neutral ?

(a) Maize, Rice, Pea
(b) Wheat, Sweet-potato, Rice

(c) Pea, Cotton, Wheat
(d) Tomato, Pea, Cotton

Answer options :

 At which stage the crop co-efficient is maximum for calculation of water requirement ?

The first Agricultural University in India was established in the name of ______.

Indian cities are classified on the basis of air quality index among Dangerous, Bad, Poor, Fair and Good.

Now state which one of the following two statements is correct?

(a) There is no city from Maharashtra in the Dangerous class.

(b) Tuticorin and Coimbatore fall in good class.

Answer options:

 Which plant nutrient increases root growth, improves drought tolerance and imparts disease resistance to crops ?

Contour trenches are not advisable, neither technically nor economically when slope is more than ________ percent.

Why horizon 'A' of soils harbors maximum bacterial population ?

Which one of the following two statements is correct?

(a) Allophanes are a combination of Silica and sesquioxides.

(b) Tourmaline contains Zinc.

Answer options :

Which climatic elements affect the crop production or various crop cultivation practices ?

The deficiency symptoms of are visible at the tips of shoots and roots.

Which one of the following two statements is correct?
(a) Soil erosion by wind brings about serious damage to soil by changing the soil permeability.
(b) Histosols are known as organic soils.
Answer options :

The higher rate of Photosynthesis and higher rate of Water Use Efficiency (WUE) at an optimal temperature range of 35°C to 40°C is generally observed in :

Loss of green colour of leaves starting from the bottom leaves upwards is a deficiency symptoms of ______ element.

What are the essential characteristics for a community to be identified as a Scheduled Tribe? 

(a) Distinctive culture

(b) Primitive traits

(c) Geographical isolation

(d) Shyness of contact

(e) Declining population

(f) Backwardness

Answer Options :

Match the following members of the Simon Commission and the reasons for their appointment on the Commission : 

With similar amount of solar radiation, crops that are grown with irrigation give ______ yield compared to those grown with equal amount of water as rainfall.

Which one of the following two statements is incorrect?
(a) Optimum temperature required at tillering stage of Rice is 31°C,
(b) Optimum temperature required for egg production is 10 - 16°C.
Answer options :