National Level Online Quiz On Quiz Agricultural Sciences

 

1. What is the main mandate of ICAR? 

a) To plan, aid, undertake, promote and coordinate agricultural research in the country

b) To plan, aid, undertake, promote and coordinate agricultural education and research in the country

c) To plan, aid, undertake, promote and coordinate agricultural education in the country

d) To plan, aid, undertake, promote and coordinate agricultural research, education and extension in the country

Answer: a) To plan, aid, undertake, promote and coordinate agricultural research in the country

 

2. National agricultural Science Museum is located at 

a) New Delhi

b) Bangalore

c) Mumbai

d) Chennai

 Answer: a) New Delhi

 

3. Which of the following is not the biofertilisers producing bacteria? 

a) Nostoc

b) Anabaena

c) Both (a) and (b)

d) Clostridium

Answer: d) Clostridium

 

4. A heterocyst is 

a) a type of spore

b) a terminally differentiated cell that fixes nitrogen

c) the progenitor of cyanobacterial vegetative cells

d) a cell that carries out oxygenic photosynthesis

Answer: b) a terminally differentiated cell that fixes nitrogen

 

5. An example of a symbiotic nitrogen fixer is 

a) Azotobacter

b) Beijerinckia

c) Clostridium

d) Rhizobium

Answer: d) Rhizobium

 

6. The physical structure of soil is improved by the accumulation of 

a) mold mycelium

b) minerals

c) water

d) all of these

 Answer: a) mold mycelium

 

7. Soil aggregation can be estimated by using 

a) Yoder’s apparatus

b) Spectrophotometer

c) Cone penetrometer

d) Atterberg’s apparatus

 Answer: a) Yoder’s apparatus

 

8. Which of the following crops is most tolerant to salty soils 

a) Cotton

b) Corn

c) Rice

d) Wheat

 Answer: a) Cotton

 

9. Permanent soil property is 

a) Fertility status

b) pH

c) Texture

d) Structure

Answer: c) Texture

 

10. Decomposition of organic matter in submerged soil is carried out by 

a) Bacteria

b) Actinomycetes

c) Fungi

d) Earthworm

 Answer: a) Bacteria

 

11. Growing of coconut, black pepper and ginger simultaneously in the same field is called 

a) Relay cropping

b) Multiple cropping

c) Mixed cropping

d) Multistoried cropping

Answer: d) Multistoried cropping

 

12. Golden rice is a rich source of 

a) Vitamin A

b) Vitamin B

c) Vitamin C

d) Vitamin K

 Answer: a) Vitamin A

 

13. Citrus canker (lesions), which originated from China is caused by pathogen 

a) Xanthomonas campestris

b) Albugo candida

c) Erwinia amylovora

d) Claviceps fusiformis

Answer: a) Xanthomonas campestris

 

14. Micrografting is used to produce plants free from 

a) Virus

b) RLO’s

c) MLO’s

d) Bacteria

Answer: a) Virus

 

15. Relationship between water and fertilizer as production factors in crops is 

a) Additive

b) Synergetic

c) Antagonistic

d) None of these

Answer: b) Synergetic