A. Green house effect
B. Pollution
C. Warming
D. Solar radiation
Related Mcqs:
- the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?
A. Stratosphere
B. Ozone
C. Ozosphere
D. All the above - The branch of Science which deals cultivation of land is called________________?
A. Geology
B. Agriculture
C. Horticulture
D. Petrology - The living together of two or more species in a prolonged and intimate ecological relationship is called________________?
A. Symbiosis
B. Biosystem
C. Auto environment
D. Climate - The harmful influence of one living plant on another living plant by the secretion of a toxic substance is called________________?
A. Allergy
B. Allelopathy
C. Parasitism
D. Antagorusm - The process of converting food nutrients to carbohydrates in plants is called________________?
A. Metabolism
B. Photosynthesis
C. Absorption
D. Assimilation - Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called________________?
A. Long day plants
B. Short day plants
C. Photoperiod
D. Phototropism - Growing more then one crop in a season in the same land is called________________?
A. Monocropping
B. Double cropping
C. Intensive cropping
D. Intercropping - The productive branches of cotton are called________________?
A. Monopodial branches
B. Sympodial branches
C. Fruiting branches
D. non of these - The amount of water required to rise a crop to matunty with in a given period of time is called________________?
A. Water frequency
B. Water depletion
C. Water balance
D. Crop Water requirement - Conducting experiments in glasses is called________________?
A. Invitro
B. Invivo
C. In-ova
D. In-sin
