0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

Assertion : The crown fires are most destructive as they burn the tree top.
Reason : Due to crown fire the temperature of that area may rise upto 700oC.
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
  5. If the assertion is false but reason is true

A
If both the assertion and reason are true but the reason is not a correct explanation of the assertion
B
If the assertion is true but the reason is false
C
If both the assertion and reason are false
D
If the assertion is false but reason is true
E
If both the assertion and the reason are true and the reason is a correct explanation of the assertion
Solution
Verified by Toppr

Crown files are most destructive. These destroy the canopies of trees and entire vegetational cover of that particular area. Due to this fire, the temperature, rises upto 700()oC and may adversely effect the nearly vegetation.

Was this answer helpful?
1
Similar Questions
Q1
Assertion : Amount of cyanocobalamine required daily is 3 mcg
Reason : Its deficiency causes pernicious anaemia
View Solution
Q2
Assertion: C4 – photosynthetic pathway is more efficient than C3 pathway Reason: Photorespiration is suppressed in C4 plants
View Solution
Q3
(i)
Assertion: A circle is not a rectilinear figure.
Reason: A figure formed by straight lines only is called a rectilinear figure.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.
(ii)
Assertion: All right angles are equal to one another.
Reason: A unique line passes through a single point.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.
View Solution
Q4
Assertion: The point O(0, 0) lies in quadrant I.
Reason: The point O(0, 0) lies on both the axes.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.
View Solution
Q5
Assertion : Photosensitivity of a metal is high if its work function is small.

Reason : Work function hf0 where f0 is the threshold frequency.


View Solution