Q.1. Passage cells are found in [AIIMS 2002]
(a) Dicot stem
(b) Aerial root
(c) Monocot root
(d) Monocot stem
Passage cells and casparian thickenings are present in the endodermis of monocot root.
Q.2. Axillary bud and terminal bud are derived from the activity of [CBSE PMT 2002]
(b) Lateral meristem
(c) Apical meristem
(d) Intercalary meristem
Axillary bud and terminal bud are derived from the activity of apical meristem.
Q.3. Apical meristem of root is present [CBSE PMT 2003]
(a) Only in radicles
(b) Only in tap roots
(c) Only in adventitious roots
(d) In all the roots
Apical meristem is found at the apices of the plant (the tip of the shoot and the root) and is a region of actively dividing cells.