Choose the correct pair:
- A$T$-Lymphocytes $\to$ Do not secrete antibodies but help $B$-cells to produce them.
- BInterferons $\to$ Proteins which protect non-infected cells from further viral infection.
- CSecondary response $\to$ Highly intense than primary response.
- DAll are correct.
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Similar Questions
Which of the following is an important infectious disease in humans?
Easy
View SolutionGiven diseases: Pneumonia,Plague,Diphtheria,Common cold,Malaria,Ringworm,Amoebiasis,Dysentery,Typhoid,$AIDS$.
$\rightarrow$ Number of bacterial diseases $- P$
$\rightarrow$ Number of viral diseases $- Q$
$\rightarrow$ Number of protozoan diseases $- R$
$\rightarrow$ Number of fungal diseases $- S$
Select the correct option for $P, Q, R$ and $S$.
$\rightarrow$ Number of bacterial diseases $- P$
$\rightarrow$ Number of viral diseases $- Q$
$\rightarrow$ Number of protozoan diseases $- R$
$\rightarrow$ Number of fungal diseases $- S$
Select the correct option for $P, Q, R$ and $S$.
Medium
View SolutionConsider the given statements and select the true ones $:-$
$(A)$ Health could be defined as a state of complete physical,mental and social well-being.
$(B)$ Pathogens can enter our body by various means,multiply and never interfere with the functions of organs/organ systems.
$(C)$ Salmonella typhi is a pathogenic virus which causes typhoid fever.
$(D)$ Plasmodium reproduces asexually in liver cells and $\text{RBC}$ of human.
$(A)$ Health could be defined as a state of complete physical,mental and social well-being.
$(B)$ Pathogens can enter our body by various means,multiply and never interfere with the functions of organs/organ systems.
$(C)$ Salmonella typhi is a pathogenic virus which causes typhoid fever.
$(D)$ Plasmodium reproduces asexually in liver cells and $\text{RBC}$ of human.
Medium
View SolutionHow many of the following diseases can be caused by smoking?
Cancer,Allergy,Emphysema,Bronchitis,Asthma,Heart disease,Hypertension,Lung cancer.
Cancer,Allergy,Emphysema,Bronchitis,Asthma,Heart disease,Hypertension,Lung cancer.
Medium
View SolutionWhich types of narcotic substances can be obtained from the parts of the leaf or flower shown in the figure?
Medium
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