Harmful Effects and First-AID Class-8th Goyal Brothers ICSE Biology Solutions Chapter-7 Unit-2

Harmful Effects and First-AID Class-8th Goyal Brothers ICSE Biology Solutions Chapter-7 (Health and Hygiene), Unit-2(Harmful Effects and First-AID ). We Provide Step by Step Answers of Multiple questions, Fill in the blanks, True or False, Answer the following questions. Chapter-7 (Health and Hygiene), Unit-2(Harmful Effects and First-AID ). Visit official Website  CISCE  for detail information about ICSE Board Class-8.

Harmful Effects and First-AID Class-8th Goyal Brothers ICSE Biology Solutions Chapter-7 Unit-2

Board ICSE
Class 8th
Subject Biology
Book Name Goyal Brothers
Chapter-7 Health and Hygiene

Harmful Effects and First-AID

Topic Solution of exercise questions
Session 2023-24

Harmful Effects and First-AID Class-8th Goyal Brothers ICSE 

Biology Solutions Chapter-7 Unit-2

Que: I. Multiple choice questions. Tick (√) the correct choice:

1. Consumption of tobacco leads to

(a) damage of liver

(b) cough and irritation

(c) loss of vision

(d) changing mood and temper

Answer: option (a) damage of liver is correct.

2. The active component nicotine is found in

(a) tobacco

(b) opium

(c) caffeine

(d) alcohol

Answer: option (a) tobacco is correct.

Que: II. Define the following:

Question: 1. Passive smoking

Answer: Passive smoking means breathing in other people’s tobacco smoke. The smoke drifting from a lit cigarette plus the smoke breathed out by a smoker is called second-hand smoke or environmental tobacco smoke. Second-hand smoke is a serious health risk for both those who smoke and those who do not.

Question: 2. Narcotic drugs

Answer: Narcotic any of a group of drugs, such as heroin, morphine, and pethidine, that produce numbness and stupor. They are used medicinally to relieve pain but are sometimes also taken for their pleasant effects; prolonged use may cause addiction.

Question: 3. A third-degree burn

Answer: A third-degree burn is referred to as a full-thickness burn. This type of burn destroys the outer layer of skin (epidermis) and the entire layer beneath (or dermis).

Question: 4. First-aid

Answer: First aid is the first and immediate assistance given to any person with either a minor or serious illness or injury, with care provided to preserve life, prevent the condition from worsening, or to promote recovery until medical services arrive.

Que: III. Answer the following questions:

Question: 1. Write about the first aid measures in case of the following:

(i) Cuts

Answer: Apply gentle pressure with a clean bandage or cloth and elevate the wound until bleeding stops. Clean the wound. Rinse the wound with water. Keeping the wound under running tap water will reduce the risk of infection.

(ii) Burns

Answer: Hold the area under cool (not cold) running water for about 10 minutes. If the burn is on the face, apply a cool, wet cloth until the pain eases. For a mouth burn from hot food or drink, put a piece of ice in the mouth for a few minutes.

(iii) Bites

Answer: Use a clean cloth or gauze to apply pressure to the area until bleeding stops. Clean the area with soap and water. Apply an antibiotic cream to help ward off infection. Cover the wound with a sterile bandage or gauze to protect it while it heals.

(iv) Bleeding

Answer: Cover the wound with sterile gauze or a clean cloth. Press on it firmly with the palm of your hand until bleeding stops. But don’t press on an eye injury or embedded object. Don’t press on a head wound if you suspect a skull fracture.

(v) Fracture

Answer: Stop any bleeding. Apply pressure to the wound with a sterile bandage, a clean cloth or a clean piece of clothing. Immobilize the injured area.

(vi) Unconsciousness

Answer: Bend the top leg so both hip and knee are at right angles. Gently tilt their head back to keep the airway open. If breathing or pulse stops at any time, roll the person onto their back and begin CPR. If you think there is a spinal injury, leave the person where you found them (as long as breathing continues).

(vii) Swallowing of poison

Answer: Get the person into fresh air as soon as possible. If the person vomits, turn his or her head to the side to prevent choking. Begin CPR if the person shows no signs of life, such as moving, breathing or coughing.

(viii) Snake bites

Answer: Immobilize the person completely. Splint the limb to keep it still. Use a makeshift stretcher to carry the person to a place where transport is available to take them to a health facility. Never use a tight arterial tourniquet.

(ix) Object in the eye

Answer: Gently examine the eye to find the object. Pull the lower lid down and ask the person to look up. Then hold the upper lid while the person looks down. If the object is floating in the tear film on the surface of the eye, try using a medicine dropper filled with clean, warm water to flush it out.

(x) Insect stings

Answer: Clean the affected area with soap and warm water. Use a cold pack to reduce swelling and pain. Use pain-relieving medication and creams. If there is significant pain and swelling, over-the-counter pain medication (such as paracetamol) or an antihistamine may give some relief.

Question: 2. Give differences between first degree burns and second degree burns.

Answer: First-degree burns affect only the outer layer of the skin. They cause pain, redness, and swelling. Second-degree burns affect both the outer and underlying layer of skin.

Question: 3. Mention, in brief, the harmful effects of consuming the following items:

(i) tobacco

Answer:The harmful effects of For every person who dies because of smoking, at least 30 people live with a serious smoking-related illness. Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis.

(ii) alcohol

Answer: Alcohol use can lead to the development of chronic diseases and other serious problems including: High blood pressure, heart disease, stroke, liver disease, and digestive problems. Cancer of the breast, mouth, throat, esophagus, voice box, liver, colon, and rectum.

(iii) drugs

Answer: Drugs can cause permanent physical damage to your internal organs, including your heart, your liver, and your brain. The risk of stroke and life-threatening infection also increase dramatically. Your sanity. Addiction leads to serious behavioral problems, including paranoia, aggression, and impulsivity.

Question: 4. Will you consume alcohol while driving or after drinking, will you drive a vehicle? Give your opinion.

Answer: Driving while either intoxicated or drunk is dangerous and drivers with high blood alcohol content or concentration (BAC) are at greatly increased the risk of car accidents, highway injuries and vehicular deaths. Alcohol can impair coordination and judgement and is a major cause of road injury.

— : end of Harmful Effects and First-AID Class-8th Goyal Brothers ICSE Biology Solutions Chapter-7 Unit-2 :–

Return to- ICSE Class -8 Goyal Brothers Biology Solutions


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