Related Questions

Administering a vaccine provides protection by inducing synthesis of antibodies (proteins) specific of the vaccine. The cell in the body responsible for the production of antibodies is
A Granulocyte
B Lymphocyte
C Erythrocyte (red blood cell)
D Platelet
A substance produced by a living organism and capable of anti-microbial activity is called a/an
A Antibiotic
B Antiseptic
C Disinfectant
D None of these
The hormone which stimulates the stomach for the production of digestive juice is
A Gastrin
B Trysin
C Secretin
D Pepsin
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
A $${\frac{3}{4}^{{\text{th}}}}$$ of it will disintegrate in two months
B It will completely disintegrate in two months
C It will completely disintegrate in four months
D $${\frac{l}{8}^{{\text{th}}}}$$ of it will remain intact at the end of four months
A community of living and non-living things that work together is known as __
A vegetation
B ecosystem
C cosmos
D hydrology
The "sum of all" chemical reactions in "an organism's" living cells "are" called "its" metabolism."No Error"
A sum of all
B an organism's
C are
D its
The "sum of all" chemical reactions in "an organism's " living cells "are" called "its" metabolism. "No Error".
A sum of all
B are
C its
D No Error
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
'Response of the living and non-living' কার রচিত?
A রামেন্দ্রসুন্দর ত্রিবেদী
B জগদীশচন্দ্র বসু
C প্রমথ চৌধুরী
D নওশের আলী খান ইউসুফ জয়ী
The student in that shanty house makes is meager living form writing the word "living" in this sentence refers to
A his residence is a shanty house
B his occupation as a writer
C His poor health
D None of the above

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