Home
Class 11
BIOLOGY
Alveoli become enlarged and damaged with...

Alveoli become enlarged and damaged with reduced surface area in heavy smokers. The condition is called
(a) silicosis
(b) emphysema
(c) asthma
(d) bronchitis

A

silicosis

B

emphysema

C

asthma

D

bronchitis

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • BREATHING AND EXCHANGE OF GASES

    ICSE|Exercise REVIEW QUESTIONS (FILL IN THE BLANKS)|13 Videos

  • BREATHING AND EXCHANGE OF GASES

    ICSE|Exercise REVIEW QUESTIONS (MATCH THE FOLLOWING)|1 Videos

  • BODY FLUIDS AND CIRCULATION

    ICSE|Exercise DIFFRENTIATE BETWEEN|13 Videos

  • CELL - THE UNIT OF LIFE

    ICSE|Exercise REVIEW QUESTIONS (LONG ANSWER TYPE QUESTIONS)|14 Videos

Similar Questions

Explore conceptually related problems

In heavy smoker the alveoli of the lungs are enlarged and damaged which reduces the surface area of the exchange of respiratory gases this condition is called

Thymus possesses two types of plants, female flowered and hermaphrodite flowered. The condition is called (a) Trioecious (b) Polygamous (c) Gynomonoecious (d) Gynodioecious

The low-temperature treatment that reduce the period between sowing and flowering is called (a) Venation (b) Vernalisation (c) Photoperiodism (d) Dormancy

The plants growing in dark ,show yellowing of leaves and elongated internodes, this condition is called as (a) Etiolation (b) Chlorosis (c) Dechlorosis (d) Dark effect

If four times the sum of the areas of two circular faces of a cylinder of height 8 cm is equal to twice the curve surface area, then diameter of the cylinder is (a) 4 cm (b) 8 cm (c) 2 cm (d) 6 cm

If the side of a square are halved, then its area (a) remains same (b) becomes half (c) becomes one fourth (d) becomes double

A condition in which body's internal environment remains nearly constant is called (a) haematoma (b) hermostasis (c) haemopoiesis (d) homeostasis

An exotic species that is introduced to a new area, spreads rapidly and eliminates native species is called (a) Immigrant species (b) Invasive species (c) Destructive species (d) None of these

The disorder in which walls of the alveoli gets damaged , resulting in a decrease in the surface area, is called :

If each edge of a cuboid of surface area S is doubled, then surface area of the new cuboid is (a) 2 S (b) 4 S (c) 6 S (d) 8 S