Certain plants have knob like structure, which helps in convertin… - Vidyadip

MCQ

Certain plants have knob like structure, which helps in converting atmospheric nitrogen in nitrate or nitrite, to increase the nitrogen content of the soil. Such plants are called leguminous plants. These plants contain bacteria in its roots, which helps in this work. Which one of the following bacteria helps in doing this work?

✓
Rhizobium bacteria
B
Bacillus
C
Cocus
D
Salmonella typhi

✓

Answer

Correct option: A.

Rhizobium bacteria

Rhizobium bacteria

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

Explore more

More "M.C.Q. [I MARKS]" from Microorganisms: Friend and Foe→Microorganisms: Friend and Foe — all question types→Science STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Which of the following countries in the world is most prone to earthquakes?

Name a biosphere reserve where the plants and animals are similar to those of the upper Himalayan ranges and lower western ghats.

A sudden flow of charges takes place, producing a bright flash of light called

Which gas is produced when coal burns in air?

Assertion (A) Human beings cannot hear sound less than 20 Hz.
Reason (R) Audible range of human is 20 Hz to 20 kHz.

What is a National Park?

Which of the following is the control room of the cell?

Growing different crops alternately on the same land is technically called:

There are some sounds which cannot be heard by human ear. These sounds have frequency, either more than $20\ kHz$ or less than $20Hz$ The sound whose frequency is less than the $20Hz$ is called $...........$

If plus sign $(+)$ denotes the positive electrode and minus sign $(-)$ denotes the negative electrode, then which of the following statement is correct for an iron spoon to be copper-plated?