A. Ecosystems
B. Community
C. Both a and b
D. non of there
Related Mcqs:
- Allelopathy is an important component in the development of future integrated strategies for____________?
A. Soil management
B. Weed management
C. Water management
D. non of these - Root nodules in plants help in___________________?
A. Photosynthesis
B. aeration
C. Nitrogen fixation
D. Respiration - Mutual association between fungi and roots of plants is known as_________________?
A. Rhizospher
B. Mycorrhizae
C. Root fungi
D. None of the above - The role of boron and zinc has been recognized in crop_________________?
A. Mustard
B. Sugarcane
C. Rice
D. None of these - Plants which grow on dry region are____________________?
A. Xerophytes
B. Thermophytes
C. Hydrophytes
D. Haplophytes - 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 - Plants adopted to arid regions are___________________?
A. Mesophytes
B. Hydrophytes
C. Xerophytes
D. Aridic plants - The plants which, grow neither in dry nor in wet condition are_______________________?
A. Xerophytes
B. Amphibiophytes
C. Mesophytes
D. Hydrophytes - The leguminous plants are important in agriculture because_________________?
A. They need very little water to grow
B. Six crops are harvested in a year
C. They are disease resistant
D. Help in nitrogen economy of nature - Plants uptake their nutrients from____________________?
A. Air
B. Water
C. So
D. All the above
