MCQ
The normal or Polygonum type of embryo sac is
- ABisporic eight nucleate
- BMonosporic four nucleate
- CTetrasporic sixteen nucleate
- ✓Monosporic eight nucleate
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$I.$ Natural selection is essential for evolution
$II.$ Natural selection do not include variations
$III.$ Concept of natural selection was given by Hugo de Vries
$IV.$ Mutation is the sudden inheritable change
$V.$ Synthetic theory is also called Neo-Darwinism theory of evolution The correct combination is a
| Column $- A$ | Column $- B$ |
| $(1)\; AIDS$ | $(A)$ Rhino Virus |
| $(2)$ Common Cold | $(B)$ Carcinogen |
| $(3)$ Malaria | $(C)$ Salmonella |
| $(4)$ Cancer | $(D)$ Plasmodium |
| $(E)$ Retrovirus |
$A.$ Population density after time $t$
$B.$ Population density at time zero
$C.$ Intrinsic rate of natural increase
$D.$ The base of natural logarithms $(2.71828)$
Identify $A, B, C$ and $D$ from the given equation