During the formation of leaves and elongation of the stem, some cells ‘left behind’ from shoot apical meristem; they are known as

Consider the following morphological biochemical or physiological characteristics of plants.

$\mathrm{i}.$ Presence of hairy leaves $\mathrm{ii}$$.$ Production of more nectar is flower
$\mathrm{iii}.$. High sugar content in plant parts $\mathrm{iv}.$ Presence of higher aspartic acid concentration.

Choose the correct combination of statements which give natural resistance to plants against insect pests:

The graph below depicts the velocity of an enzyme-catalyzed reaction vs. substrate concentration. Identify the alphabets with the correct descriptions.

I. $\mathrm{A}=$ Enzyme activity

II. $\mathrm{B}=$ Substrate concentration at maximum velocity

III. $\mathrm{A}=$ Substrate concentration at which half of the maximum velocity

IV. $\mathrm{B}=$ Half of the maximum velocity

Statement I : Tendons attach one bone with another bone.
Statement II : Epiglottis is formed by elastic cartilage.

The correct option among the following is