MCQ
The wheat grain has an embryo with one large, shield shaped cotyledon known as
- ✓scutellum
- Bcoleoptile
- Cepiblast
- Dcoleorhiza.
✓
Answer
Correct option: A.
scutellum
a
(a) : The seeds of monocotyledonous plants have only one cotyledon. In family Poaceae ($e.g.$, wheat, maize etc.), this cotyledon is called scutellum, situated towards lateral side of embryonal axis. It provides nourishment to the developing embryo.
(a) : The seeds of monocotyledonous plants have only one cotyledon. In family Poaceae ($e.g.$, wheat, maize etc.), this cotyledon is called scutellum, situated towards lateral side of embryonal axis. It provides nourishment to the developing embryo.
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
Identify below figure.
Yeast cell divides by
Match List $- I$ with List $- II.$
→| List $- I$ | List $- II$ |
| $(a)$ Allen's Rule | $(i)$ Kangaroo rat |
| $(b)$ Physiological adaptation | $(ii)$ Desert lizard |
| $(c)$ Behavioural adaptation | $(iii)$ Marine fish at depth |
| $(d)$ Biochemical adaptation | $(iv)$ Polar seal |
Choose the correct answer from the options given below.
$(a) -(b)- (c)- (d)$
Which of the following is source of energy to an ecosystem
Bioassay for gibberellin is
The respiratory loss of producers, herbivores and carnivores are respectively
Amongst plants which one of the following group has been classified on the basis of pigments
In which of the following interactions both partners are adversely affected?
Exponential growth in human population was done in
Match the correct pair.
→| Column $- I$ | Column $- II$ (birds species) |
| $(a)$ Colombia | $(p)\; 1200$ |
| $(b)\; 41^o$ New York | $(q)\; 1400$ |
| $(c)$ India | $(r)\; 105$ |
| $(d)$ Greenland at $71^oN$ | $(s)\; 56$ |