Which of the following is a false fruit?

The entry of oxygen and water into the seed during germination is facilitated by . . . . . . .

In black pepper and beet, a part of the nucellus remains unused. What is this persistent nucellus called?

Perisperm is found in

The edible part of the litchi fruit is:

$A$ viable seed of date palm $(Phoenix dactylifera)$ was discovered at the King Herod's palace near the Dead Sea. How many years old was this viable seed?