MCQ
Vascular bundles in monocotyledons are considered closed because
- Athere are no vessels with perforations
- Bxylem is surrounded all around by phloem
- Ca bundle sheath surrounds each bundle
- ✓cambium is absent.
✓
Answer
Correct option: D.
cambium is absent.
d
(d)
(d)
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Growth of the plant is
The unique quality of angiosperm is :
In dicotyledonous roots, the initiation of lateral roots takes place in
Which statement about photosynthesis is false?
The diagram given below represent a filuid mosaic model of plasma membrance. Match the components marked as $A, B, C, D$ and $E$ in the diagram below from the list $(i)$ to $(vii)$.
→$(i)$ Sugar $(ii)$ Protein $(iii)$ Lipid bilayer $(iv)$ Integral protein $(v)$ Cytoplasm $(vi)$ Cell wall $(vii)$ External protein
Given ahead is an incomplete table about certain hormones, as their source glands and one major effect of body in humans.
→Identify the correct option for the three blanks $A, B$ and $C$
| Gland | Secetion | Effect on Body |
| $A$ | Oestrogen | Maintenance of secondary sexual characters |
| Alpha cells of islets of Langerhans | $B$ | Raises blood sugar level |
| Anterior pituitary | $C$ | Over secretion leads to gigantism |
Megasporangium of Selaginella is equivalent to which structure of Pinus
Which of the following factors exclusively affects reproduction in seasonal breeders, both plants and animals?
During mitosis chromosomes go to their poles in a stage called
Vegetative reproduction by fragmentation is common in