Question
Why are oceans least productive?

Answer

Availability of solar radiation is least in oceans; especially in deep oceans. Due to this, oceans are least productive.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Mention one application for each of the following:
  1. Passive immunisation.
  2. Antihistamine.
  3. Colostrum.
  4. Cytokine barriers.

Classify the given disease to their cause given in Column B.
(Ethylene, GA, Deficiency of BO, Deficiency of Cu)

Column AColumn B
(1) Brown heart disease————-
(2) Bakane disease of Rice————
(3) Die back of shoot————-
(4) Degreening of Banana————-
Enlist substances that are used as substrate for the production of SCP.
Write the function of each of the following:
Luteinising hormone in human males.
A3' ............ 5'B
C5’ ........... 3'D.
AB and CD represent two strands of a DNA molecule. When this molecule undergoes replication, forming a replication fork between A and C in the above.
  1. Name the templete strand for replication.
  2. Using which strand as the templete, will there be continuous synthesis of a complementary DNA strand
  3. Complementary to which strand will okazaki segments get synthesised, discontinuous synthesis occurs.
  4. What are templete strands and Okazaki pieces?
  5. In which direction is a new strand synthesised?
Name the pioneer and the climax species in a water body. Mention the changes observed in the biomass and the biodiversity of the successive seral communities developing in the water body.
List the events that reduce the Biological Oxygen Demand (BOD) of a primary effluent during sewage treatment.
Why do we prefer to call secondary waste water treatment as biological treatment?
How do the pollen grains of Vallisneria protect themselves?
Give the flow chart of central dogma.