A. It requires large land areas for implementation

B. It relies solely on natural weather conditions

C. It allows for controlled environmental conditions 

D. It is suitable only for tropical climates

A. Rice

B. Wheat

C. Strawberries

D. Sugarcane

A. low tunnel

B. Walk in tunnel 

C. High tunnel

D. None of these

A. 11 to 14 feet in center 

B. 11 to 14 meter in center 

C. 15 to 20 feet in center

D. 20 feet in center 

A. Low tunnel 

B. Walk-in-tunnel

C. High tunnel 

D. None of these

A. 4 to 5 feet

B. 6 to 7 feet

C. 6 to 7 meter

D. above 7 meter 

A. Cucumber 

B. Muskmelons 

C. Water melons 

D. All of these

A. Vegetable farming 

B. Tree farming 

C. Cereal farming 

D. None of these

A. 2.5-3 feet

B. 2.5-3 meter

C. 4 meter

D. 5 meter 

A. 2

B. 3

C. 4

D. 5