Grade Diagnostic Test

Three ways to avoid the spread of covid 19, in school are

• Wash your hands regularly, wear a mask when around people, keep a six feet distance.

• Shake hands once for the day, wash hands regularly, wear a mask only in the days.

• Wash hands regularly, wear a mask in the days only, wash hands every three hours.

• Wear a mask only in the days, wash hands every three hours, and keep your six feet distant.

Safety is the

• Cover your face to protect you

• Staying at home all day and night

• Precaution taken to ensure harm and danger for all.

• Precaution taken against harm and danger.

Personal safety is

• Protecting your animals from harm and danger.

• Protecting other persons in the working environment from harm and danger.

• Protecting others and your work space from harm and danger.

• Protecting yourself from harm and danger by wearing proper protective gears called PPE

General safety is

• Preparation and control of the entire working environment.

• Protecting other persons in the working environment from harm and danger.

• Wearing a mask in public.

• c. Protecting yourself from harm and danger by wearing proper protective gears called PPE

Two consequence of working in an unsafe manner are

• Welfare and health problems, Inefficiency; work is stopped each time someone gets injured

• Long life, no loss of money.

• Efficient and safe working environment.

• Happy and a harm free environment

The three main parts of tree are,

• Root, trunk, crown

• Bark, limb, leaves.

• Crown, photosynthesis, pigment.

• Bark, limb, leaves.

Which part of the tree absorbs water, and minerals.

• Trunk

• Root

• soil

• Crown

Which part of the tree transport food throughout the tree?

• Medullary Rays and Bast.

• Bast and Pith

• Heartwood and Crown

• Sapwood and pith

Trees are classified into two main groups they are

• Hardwood and softwood

• Drywood and greenwood

• Crown and fruits

• Board and logs

The main ingredient in iron is

• Iron ore

• Bauxite

• shale

• gypsum