Home
Class 12
BIOLOGY
What is B.O.D. : -...

What is B.O.D. : -

A

The amount of `O_(2)` utilised by organisms in water

B

The amount of `O_(2)` utilized by micro organism for decomposition

C

The total amount of `o_(2)` present in water

D

All of the above.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ORGANISM & ENVIRONMENT AND DEMOGRAPHY

    ALLEN|Exercise EXERCISE-II|150 Videos

  • ORGANISM & ENVIRONMENT AND DEMOGRAPHY

    ALLEN|Exercise EXERCISE-III|110 Videos

  • ORGANISM & ENVIRONMENT AND DEMOGRAPHY

    ALLEN|Exercise BOX-6|5 Videos

  • NEURAL CONTROL AND COORDINATION

    ALLEN|Exercise Questions|61 Videos

  • ORGANISM AND POPULATION (ECOLOGY)

    ALLEN|Exercise S|26 Videos

Similar Questions

Explore conceptually related problems

Give the significance of the terms B.O.D. and C.O.D.

The diagonals of quadrilateral A B C D ,\ A C\ a n d\ B D intersect in O . Prove that if B O=O D , the triangles A B C\ a n d\ A D C are equal in area.

The diagonals of quadrilateral A B C D ,A C and B D intersect in Odot Prove that if B O=O D , the triangles A B C and A D C are equal in area. GIVEN : A quadrilateral A B C D in which its diagonals A C and B D intersect at O such that B O = O Ddot TO PROVE : a r( A B C)=a r( A D C)

In Figure, diagonals AC and BD of quadrilateral ABCD intersect at O such that O B = O D . If A B = C D , then show that: (i) a r /_\(D O C) = a r /_\(A O B) (ii) a r /_\(D C B) = a r /_\(A C B) (iii) D A || CB

Suppose line segments A B and C D intersect at O in such a way that A O=O D and O B=O C . Prove that A C=B D but A C may not be parallel to B D .

In the figure, O is the center of the circle. What is average of the numbers a, b, c and d?

In Fig. 7.8, O A\ =\ O B a n d\ O D\ =\ O C . Show that (i) DeltaA O D~=DeltaB O C and (ii) A D\ ||\ B C

Diagonals A C\ a n d\ B D of a quadrilateral A B C D intersect at O in such a way that a r\ ( A O D)=a r\ (\ B O C)dot Prove that A B C D is a trapezium.

Two straight lines A B\ a n d\ C D intersect one another at the point Odot If /_A O C+/_C O B+/_B O D=274^0, then /_A O D=

Suppose line segments A B\ a n d\ C D intersect at O in such a way that A O=O D\ a n d\ O B=O C . Prove that A C=B D but A C may not be parallel to B D .