Given below are wo statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: The probe of a neutron moisture meter is inserted into an access tube fixed vertically in the soil
Reason R: The probe of a neutron moisture meter contains a source of fast protons and a detector fo slow electrons and helps in estimating soil moisture content
In light of the above statements, choose the most appropriate answer from the options given below
The probe typically contains a source of neutrons (not fast protons) and a detector to measure the scattering or absorption of these neutrons by the soil. The measurement of neutron radiation helps in estimating the soil moisture content.
Pebrine disease of silkworm is caused by
Tassar silk is also known as
The silkworm larva ceases to eat and begins spinning silk all over its body from ____
Propodeum is found in the insect belonging to the sub-order:
Which of the following structures is not the part of the insect’s head capsule?
The total number of abdominal legs in the larval stage of the mustard sawfly is ____.
Which of the following is not matched correctly?
Which of the following is not a natural predator of BPH?
Which of the following statements is true for Entomophagy?
Which silkworm feedw on castor tree