MCQ
An example of a seed with endoperm, perisperm and caruncle is:
- ACotton
- BCoffee
- CLily
- DCastor
Explanation:
Castor bean seeds contain an elaiosome (caruncle) which are fleshy structures that are attached to seeds of many plant species.
They are rich in lipids and proteins that attract ants, which disperse the seed (myrmecochory).
Castor bean seeds are endospermic which means, the endosperm is the major storage tissue.
In perispermic seeds (castor), diploid maternal food storage tissue originates from the nucellus.
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$I$. The recombinant $DNA$ technology is used for production of therapeutic drugs which are safe and effective
$II$. It avoid unwanted immunological responses, commonly observed with similar products isolated from non-human sources
$III$. About thirty recombinant therapeutics have been approved for human use in the world including India
Which of the statements given above are correct?
Reason : Lamarck's theory of evolution is popularly called theory of continuity of germ plasm.