The world biodiversity day is celebrated annually on
$5^{th}$ June
$1^{\text {st }}$ December
$22^{\text {nd }}$ May
$16^{\text {th }}$ September
Tiger is not a resident in which one of the following national parks?
Match the column$-I$ with column$-II$
Column$-I$ | Column$-II$ |
$(a)$. Artemesia annua | $(i)$ Henna |
$(b)$. Lawsonia inermis | $(ii)$ Anticancer drug |
$(c)$. Vinca rosea | $(iii)$ Kattha |
$(d)$. Acacia catechu | $(iv)$ Antimalarial drug |
Select an incorrect statement w.r.t. biodiversity
Which of the following ecologist gave ‘rivet popper’ hypothesis?
Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as