MCQ
Chemicals, which can induce cancer are called
- AMutagenic agents and produce benign tumour
- BCarcinogens and produce non-malignant tumour
- CMutagenic agents and do not produce malignant tumour
- ✓Carcinogens and produce malignant tumour
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$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I
| Column $-I$ | Column $-II$ |
| $a.$ Solid symbol | $(i)$ Carrier of sex linked trait |
| $b.$ Horizontal line between symbols | $(ii)$ Offspring |
| $c.$ Horizontal line above the symbols | $(iii)$ Trait to be studied |
| $d.$ Dot in centre | $(iv)$ Parents |
$I.$ organic acid
$II.$ rumen of cattle
$III.$ butanal
$IV.$ anaerobic sludge
Choose the correct option