akaa quiz

1.the standard unit for measurement of mass?

• metre

• second

• litere

• kilogram

which of the following is a cause of air pollution?

• trees

• house

• all of these

• smoke

which of the following is not a cause of soil erosion?

• none of these

• trees

• rain

• wind

a dispersal agent for wing-shaped seeds

• wind

• crops

• stem cutting

• agriculture

pea and wheat are ___________________crops

• none

• both

• rabi

• kharif

the seeds of ________plant is dispersed by wind

• cotton

• berries

• mistletoe

• cocklebur

_____________protects the soft internal organs of our body

• nerves

• skeleton

the longest bone in the human body

• lemus

• jionts