Topic: Evolution of mono-cot plant
Choose the correct answer
1. Approximate no. of species present in the monocot
(a) 60000 (b) 45000 (c) 65000 (d) 50000
2. Monocot are considered as derived out from
(a) Bryophyte (b) Pteridophytes (c) Gymnosperm (d)Basal angiosperms
3. The largest family of monocot is
(a) Archiclaceae
(b) poaceae (c)
arecacaeae (d) musaceae
4. No. of parts of each flower
(a) Two (b) three (c)
four (d) five
5. Monocot seedling typically has
monocot?
(a) Two (b) three (c) one (d) none of these
6. No. of furrows or pores in pollen
(a) Three (b) one (c) one (d)
not present
7.
No. of cotyledons present in monocot
(a) Two
(b)
one (c) half (d)
none of these
8. Arrangement of vascular
bundles in the stem
(a) In the form of a group (b) in concentric circles
(c)
Scattered
9. Arrangement of major
leaf veins
(a) Parallel (b) reticulate (c) divergent parallel (d)
convergent parallel
10. The
vast majority of monocot lack in their leaves
(a) Vascular bundles (b) leaf blade (c) leaf base (d) petiole
11.
Monocot has which type of arrangement of vascular tissues
(a) Actiono stele (b) atacto stele (c) dicto stele (d) a & b
12. In herbaceous monocot which
type of growth is absent?
(a) Primary (b)
secondary (c) tertiary (d) none of these
13. In how much pattern monocot
development take place?
(a) One (b) four (c)
three (d)
two
14. The apex below the cotyledon is called the
(a) Epicotyl (b) hypocotyl (c)
both (d) none of these
15. The food for the growth of embryo is
supplied by
(a) Endosperm (b) exosperm (c)
both (d) none of these
16. In modern monocot
endospermic part away from the embryo and rich in protein
(a)
Starchy endosperm (b) Horny endosperm (c) a & b (d) none of these
17. In monocot seed part near
the embryo and rich in starch
(a)
Starchy endosperm (b) horny endosperm (c) embryonic axis (d) none of
these
18. In monocot the scutellum
is called as
(a) Endospermic layer
(b) exospheric layer (c) a & b (d) epithelial layer
19. The embryonic axis of monocot seed is
surrounded by minute leaves known as
(a)
Plumule (b) scutellum (c) embryo
(d) endosperm
20. Parallel vernation is
found in
(a)
Monocots (b) dicot (c) dicot stem (d) dicot root
21.
In monocot rots pericycle produce which type of roots
(a)
Lateral roots (b) tap roots (c)
adventitious roots (d) prop root
22.
Which of the following features distinct the monocot from dicot
(a) Venation (b) vernation (c) estivation (d) phyllotoxy
23.
Bulbis is the modification of
(a) Root (b) stem (c) radicles (d) a & b (d) none of these
24.
Monocot stem develops from the
(a) Plumule (b) radicles (c) a & b (d) none of these
25. In monocot terminal bud is
(a)
Absent (b) present (c) present in some cases (d) none of these
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