Home
Class 10
BIOLOGY
Assertion (A) : Abscission is a physiolo...

Assertion (A) : Abscission is a physiological process of shedding of organs like leaves, flowers fruits and seeds from the parent plant body.
Reason (R ) : When leaves, flowers, fruits and seeds are removed, the plant seals off its vascular system to prevent loss of water and nutrients.

Text Solution

Verified by Experts

Abscission
Promotional Banner

Topper's Solved these Questions

  • PLANT AND ANIMAL HORMONES

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS (VERY SHORT ANSWERS)|15 Videos

  • PLANT AND ANIMAL HORMONES

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS (GIVE REASONS FOR THE FOLLOWING STATEMENTS)|4 Videos

  • PLANT AND ANIMAL HORMONES

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWERS (ANALOGY TYPE QUESTIONS. IDENTIFY THE FIRST WORDS AND THEIR RELATIONSHIP AND SUGGEST A SUITABLE WORD FOR THE FOURTH BLANKS)|7 Videos

  • ORIGIN AND EVOLUTION OF LIFE

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (VALUE BASED QUESTIONS)|2 Videos

  • QUARTERLY MODEL QUESTION PAPER

    SURA PUBLICATION|Exercise Subjective Questions|50 Videos

Similar Questions

Explore conceptually related problems

Assertion (A) : Angiosperms have ovary in the flower. Reason (R) : They produce fruits and seeds.

Assertion (A) : Gymnosperms are perennial, woody, evergreen with true root, stem and leaves. Reason (R) : These plants produce fruits.

While cultivating tomato plants, a farmer noticed some yellow or white spots on plant parts like leaves, flowers, fruits etc. He applied some pesticides. But he was not able to control the disease. a. Identify the pathogen and disease. b. Suggest any two measures to control the disease.

Assertion (A) : Mangrove excrete salt through glands in their leaves. Reason (R ) : These amazing trees and shrubs cope with sal. Salt water can kill plants, so mangroves must extract fresh water from the sea water.

This plant was introduced in India because of its beautiful flowers and shape of leaves but it became a notorious weed in Indain water bodies. Identify this plant.