Human Health and Disease

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Human Health and Disease focuses on understanding the factors that affect human health, the causes of diseases, and the body’s defense mechanisms. This category is designed for school students (Classes 9–12), NEET aspirants, and undergraduate learners, with strong emphasis on NCERT concepts and exam relevance.

In this section, you will study:

  • Concepts of health and disease

  • Common infectious and non-infectious diseases and their causes

  • Pathogens such as bacteria, viruses, protozoa, and helminths

  • Immunity, immune system, and vaccination

  • Allergies, autoimmune disorders, and cancer

  • Drug and alcohol abuse and their effects

  • NCERT-based explanations, diagrams, MCQs, and exam-oriented questions

The content is structured to build clear understanding of health-related concepts, improve application-based answers, and help students score well in school examinations, NEET, and undergraduate assessments.

Develop a strong foundation in human health and disease to better understand the science behind illness, prevention, and immunity.

Q. What role do terpenes play in plant health?
  • A. Photosynthesis
  • B. Attracting pollinators
  • C. Water absorption
  • D. Nutrient storage
Q. What type of plant is commonly used in traditional medicine for its antimicrobial properties?
  • A. Cacti
  • B. Herbs
  • C. Ferns
  • D. Mosses
Q. What type of plant is commonly used in traditional medicine to alleviate stress and anxiety?
  • A. Cacti
  • B. Succulents
  • C. Adaptogens
  • D. Ferns
Q. What type of plant is commonly used in traditional medicine to boost the immune system?
  • A. Herbs
  • B. Ferns
  • C. Mosses
  • D. Cacti
Q. What type of plant is commonly used in traditional medicine to lower blood sugar levels?
  • A. Cinnamon
  • B. Mint
  • C. Rosemary
  • D. Thyme
Q. What type of plant is commonly used to produce insulin for diabetes treatment?
  • A. Cacti
  • B. Algae
  • C. Bacteria
  • D. Yeast
Q. What type of plant is known for producing compounds that can inhibit cancer cell growth?
  • A. Cacti
  • B. Medicinal herbs
  • C. Ornamental plants
  • D. Aquatic plants
Q. What type of plant secondary metabolite is often used in cancer treatment?
  • A. Alkaloids
  • B. Terpenes
  • C. Phenolics
  • D. Glycosides
Q. Which essential oil, derived from a plant, is known for its antimicrobial properties?
  • A. Lavender
  • B. Peppermint
  • C. Tea Tree
  • D. Rosemary
Q. Which part of the plant is often used to extract essential oils that have antimicrobial properties?
  • A. Roots
  • B. Leaves
  • C. Flowers
  • D. Seeds
Q. Which part of the plant is primarily responsible for the absorption of water and nutrients?
  • A. Stem
  • B. Leaf
  • C. Root
  • D. Flower
Q. Which part of the plant is primarily responsible for the production of medicinal alkaloids?
  • A. Roots
  • B. Leaves
  • C. Flowers
  • D. Bark
Q. Which phytochemical found in cruciferous vegetables is linked to cancer prevention?
  • A. Glucosinolates
  • B. Carotenoids
  • C. Polyphenols
  • D. Terpenes
Q. Which phytochemical is known for its potential anti-cancer properties and is found in cruciferous vegetables?
  • A. Glucosinolates
  • B. Carotenoids
  • C. Polyphenols
  • D. Flavonoids
Q. Which phytochemical is known for its potential anti-cancer properties?
  • A. Resveratrol
  • B. Chlorophyll
  • C. Starch
  • D. Cellulose
Q. Which phytochemical is known for its role in cancer prevention?
  • A. Carotenoids
  • B. Starch
  • C. Proteins
  • D. Lipids
Q. Which phytochemical is responsible for the anti-cancer properties of cruciferous vegetables?
  • A. Glucosinolates
  • B. Alkaloids
  • C. Terpenes
  • D. Saponins
Q. Which phytochemical is responsible for the color of many fruits and vegetables and has health benefits?
  • A. Chlorophyll
  • B. Carotenoids
  • C. Starch
  • D. Cellulose
Q. Which phytochemical is responsible for the red color in tomatoes and has health benefits?
  • A. Lycopene
  • B. Carotene
  • C. Chlorophyll
  • D. Flavonoids
Q. Which plant compound is known for its anti-inflammatory properties and is often used in herbal medicine?
  • A. Curcumin
  • B. Caffeine
  • C. Chlorophyll
  • D. Tannins
Q. Which plant hormone is primarily involved in regulating plant responses to stress, which can also affect human health?
  • A. Auxin
  • B. Gibberellin
  • C. Ethylene
  • D. Abscisic acid
Q. Which plant hormone is primarily involved in the regulation of fruit ripening?
  • A. Auxin
  • B. Gibberellin
  • C. Ethylene
  • D. Cytokinin
Q. Which plant is a common source of omega-3 fatty acids beneficial for heart health?
  • A. Flaxseed
  • B. Corn
  • C. Wheat
  • D. Rice
Q. Which plant is a rich source of omega-3 fatty acids beneficial for heart health?
  • A. Flaxseed
  • B. Wheat
  • C. Rice
  • D. Corn
Q. Which plant is a source of the anti-cancer compound paclitaxel?
  • A. Yew tree
  • B. Oak tree
  • C. Maple tree
  • D. Pine tree
Q. Which plant is commonly associated with lowering blood sugar levels in diabetic patients?
  • A. Aloe Vera
  • B. Ginseng
  • C. Bitter Melon
  • D. Lavender
Q. Which plant is commonly associated with lowering cholesterol levels?
  • A. Garlic
  • B. Ginger
  • C. Mint
  • D. Basil
Q. Which plant is commonly associated with reducing anxiety and improving sleep quality?
  • A. Lavender
  • B. Bamboo
  • C. Cactus
  • D. Fern
Q. Which plant is commonly used to alleviate symptoms of anxiety and stress?
  • A. Lavender
  • B. Cactus
  • C. Fern
  • D. Moss
Q. Which plant is commonly used to treat digestive issues and is known for its soothing properties?
  • A. Aloe Vera
  • B. Mint
  • C. Basil
  • D. Rosemary
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