MCQ
Genetic code determines
- ✓Sequence of variable amino acids in a protein chain
- BSequence of amino acids in a peptide chain
- CStructure of human cells
- DMorphology of traits
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$A$. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
$B$. Tropical environments are more seasonal.
$C$. More solar energy is available in tropics.
$D$. Constant environments promote niche specialization.
$E$. Tropical environments are constant and predictable.
Choose the correct answer from the options given below.
$A.$ 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
$I$. Removal of $80\; \%$ tigers from an area resulted in greatly increased growth of vegetation.
$II.$ Removal of most of the carnivores resulted in an increased population of deers.
$III.$ The length of food chains is generally limited to $3$ to $4$ trophic levels due to energy loss.
$IV.$ The length of food chains may vary from $2$ to $8$ trophic levels.
Which two of the above statements are correct?