revision

WHICH AGRICULTURAL PRACTICE HELPS IN TURNING AND LOOSENING OF SOIL?

• SELECTION AND SHOWING OF SEEDS

• IRRIGATION

• WEEDING AND CROP ROTATION

• SOIL PREPARATION

OUT OF FERTILIZER AND MANURE WHICH ONE IS EASILY ABSORBED BY THE ROOTS ?

• FERTILIZER

• MANURE

• BOTH MANURE AND FERTILIZER

• NONE OF THESE

SPECIFY THE PICTURE WHICH HELPS IN SOWING OF SEEDS

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WHEN YOU WILL PUT SEEDS IN WATER ,WHAT IS TRUE ABOUT DAMAGED SEEDS?

• THEY WILL SINK

• THEY WILL FLOAT

• THEY ARE HEAVIER

• ALL OF THESE

WHICH OF THE FOLLOWING IS NOT A FERTILIZER?

• UREA

• NPK

• POTASH

• RHIZOBIUM

Harvesting is a process of

• separating grains from stalk
• preparing soil for sowing seeds
• collecting ripened crops from the field
• removing undesired plants from the crop field

Threshing is a process of

• Separating grains from the stalk
•  preparing soil for sowing seeds
• collecting crops from the field
• removing undesired plants from the crop field

Weeds can be defined as

• Useful plants present in the field

• Undesirable plants present in the field

• Plants that cannot be used at all

• Undesirable insects present in the field.

_____ kill or stop the growth of germs

• Antibodies

• Vaccines

• Antibiotics

______________ helps us  digest our food and they produce needed vitamins.

• Bacteria
• Fungi
• Protozoa
• Algae