WorksheetsSCIENCE6
Total questions: 10
Worksheet time: 3mins
Why is a person with a darker complexion more protected from the sun’s UV rays compared to a person with fair complexion?
People with darker skin lives near the equator.
People with darker skin have lesser melanin that gives color to the complexion
People with darker skin have thicker epidermis that protects them from UV rays
People with darker skin have more melanin that protects the inner cells from the damaging effect of UV rays.
Why do you feel the pain when you pull a strand of your hair from your head?
. Hair strand secretes oil.
Layers of new hair cells are being pulled.
The dead part of the hair is found at its tip
The nerve endings and capillaries are parts of the base of the hair.
The following are the functions of the integumentary system EXCEPT one.
It protects the body’s internal living tissues and organs.
It makes body movement possible through the structure of the skin.
It protects the body against microorganism and invasion by infectious organism.
It protects the body from dehydration and against abrupt changes in the temperature.
Why do you think a person with oily skin is more prone to pimples than a person with dry skin?
There is an excessive eating of oily foods that may cause pimples or acne.
There is lesser sebum produced by the oil glands that causes pimples or acne.
The wall of the hair follicle in the skin breaks that causes pimples or acne
There is overproduction of sebum by the oil glands that clogs and infects the glands causing pimple or acne
What would be the possible effect on the body if the epidermis is absent?
The waste materials will be disposed.
Vitamin D will not be reproduced in the skin
The microorganism will easily enter the body.
The body’s internal living tissues and organs will not be protected
What is the process of breaking up and dissolving food so that it can be absorbed by the body?
circulation
digestion
excretion
respiration
What is the role of the large intestine in the digestion process?
It produces insulin.
It absorbs some of the water and salts.
It secretes enzymes that digest proteins.
It serves as a temporary storage of food and water
How does the small intestine help in the digestion process?
It acts as temporary storage of food.
It helps in the physical digestion of food.
It allows the movement of food down to the stomach
It allows the final digestion and absorption of nutrients to the rest of the body.
What should you do to prevent indigestion?
Stop eating
Eat more sweets a day
Chew your food properly
Drink only two glasses of water a day.
How does the digestive system help the body get the nutrients it needs?
It keeps the food for future use.
It gives good taste to the food we eat
It distributes air to the different parts of our body.
It breaks down the food into smaller pieces that are carried by the blood to the different parts of the body.
