MCQ
Which of the following is incorrect
- AMango and coconut are drupe fruit
- BAccording to Euro norm IV sulphur content for petrol is $50$ $ppm$
- C$CO_2$ and other poisonous gases cause pollution
- ✓Apple is a true fruit
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$I$. Biowar is the use of biological weapons against humans and/or their crops and animals.
$II$. Bioethics is the unauthorized use of bioresounces and traditional knowledge related to bioresources for commercial benefits.
$III$. Biopatent is exploitation of bioresources of other nations without proper authorization.

| Column $- I$ | Column $- II$ |
| $(A)$ Physiological barrier | $(1)$ Skin |
| $(B)$ Cellular barrier | $(2)$ Macrophages |
| $(C)$ Physical barriers | $(3)$ interferons |
| $(D)$ Cytokine barriers | $(4)$ Tears |
| $(5)$ Mucus |
$Statement 2$: Certain contraceptives are planted under the skin of the upper arm to prevent pregnancy