1.  Micro-organism,which can grow at higher temperature, is called

a

  Mesophils

b

 Phycrophils

c

 Thermophils

d

 None of these

Answer & Explanation
Answer : Option C

2.  Classification of insects and rules of their nomenclature comes under the branch -

a

  Ecology

b

 Taxonomy

c

 Physiology

d

 Morphology

Answer & Explanation
Answer : Option B

3.  Which one of the following is a global biodiversity hotspot in India?

a

  Eastern Ghats

b

 Western Ghats

c

 Northern Himalayas

d

 Western Himalayas

Answer & Explanation
Answer : Option B

4.  Which of the following is the most important factor in soil formation?

a

  Relief

b

 Climate

c

 Rock cover

d

 Natural Vegetation

Answer & Explanation
Answer : Option B

5.  The variety of coffee, largely grown in India, is

a

  Kents

b

 Coorgs

c

 Arabica

d

 Old chicks

Answer & Explanation
Answer : Option C

6.  Which of the following is best for driving machine from low power to slow speed?

a

  Spur gear

b

 Belts and pulley

c

 Toothed wheel and chains

d

 None of the above

Answer & Explanation
Answer : Option B

7.  The pyrite is mostly found in -

a

  Bihar

b

 Rajasthan

c

 Maharashtra

d

 Andhra Pradesh

Answer & Explanation
Answer : Option C

8.  'Alley cropping' means:

a

  Growing of field crops in between two widely spaced rows of fast growing trees

b

 Growing of pastures in between two widely spaced rows of fast growing trees

c

 Growing of only fooder crops in between two widely spaced rows of first growing trees

d

 Growing of only short duration crops in between two widely spaced rows of fast growing trees

Answer & Explanation
Answer : Option A

9.  Soil factors are otherwise known as -

a

  Biotic factors

b

 Edaphic factors

c

 Climatic factors

d

 Physiographic factors

Answer & Explanation
Answer : Option B

10.  Which one of the following fertilizers is known as 'Kisan Khad'?

a

  Urea

b

 Ammonium Sulphate

c

 Calcium Ammonium Nitrate

d

 None of these

Answer & Explanation
Answer : Option C

11.  'First blight' of sugarcane is due to defi- ciency of nutrient -

a

  P

b

 Fe

c

 Zn

d

 Mn

Answer & Explanation
Answer : Option D

12.  Potassium chloride contains K -

a

  50 %

b

 60 %

c

 70 %

d

 80 %

Answer & Explanation
Answer : Option B

13.  Mastitis in animals is due to -

a

  Worms

b

 Virus and Worms

c

 Bacteria and Virus

d

 Fungi and dry hand milking

Answer & Explanation
Answer : Option C

14.  Which of the following are not true in respect of alluvial soil?

a

  It is the most fertile soil

b

 It has been deposited by rivers

c

 Generally confined to river basins

d

 It is rich in phosphorus and poor in potash

Answer & Explanation
Answer : Option D

15.  What do you understand by the word regur?

a

  Black soil found in the Deccan

b

 Grey-brown soil found in Russia

c

 Black soil found in northern Argentina

d

 Red color sticky soil found in the Amazon area

Answer & Explanation
Answer : Option A

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