Plasmids are suitable for use as vehicle DNA. Give reasons.

What is plasmid DNA ? Why plasmids are suitable for use in genetic engineering ?

Plasmids are suitable vectors for gene cloning because:

Modern telescopes prefer using suitable mirrors over using suitable lenses. Give two reasons of this preference.

plasmid DNA act as

Why are diamonds used in jewellery? give reasons

Is the use of contraceptives justified? Give reasons.

Two similar vehicles are moving with the same velocity on the road such that one of them is loaded and the other one is empty. Which of the two vehicles will require larger force to stop it? Give reasons?

Indiscriminate use of X-rays for diagnoses should be avoided. Give reasons.