Biology
Correct the following false statements by changing the first/last word only.
(a) Plumule develops into the root system.
(b) Testa is the thin inner layer of the seed coat.
(c) Endothelium separates the endosperm and embryonic region in the maize grain.
(d) Hypocotyl elongates faster in hypogeal germination.
(e) Germination is the period of rest in a seed.
Seeds
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Answer
(a) Plumule develops into the shoot system.
(b) Tegmen is the thin inner layer of the seed coat.
(c) Epithelium separates the endosperm and embryonic region in the maize grain.
(d) Epicotyl elongates faster in hypogeal germination.
(e) Dormancy is the period of rest in a seed.
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Related Questions
Seema observed different kinds of seeds which can be categorised on the basis of certain features like cotyledons, endosperm, etc. She recorded her observations as follows :
P- Seeds are dicotyledonous and exalbuminous.
Q- Seeds are monocotyledonous and albuminous.
R- Cotyledons are rich in protein.
S- Stored food material is rich in starch.
Which of her above observations match with bean seeds?
- R and Q
- Q and S
- S and P
- P and R
Seeds germinate in two ways. The type in which the cotyledons remain underground is called (P) …………… germination. During this type of germination, the (Q) …………… elongates faster.
- P — Epigeal, Q — Hypocotyl
- P — Epigeal, Q — Epicotyl
- P — Hypogeal, Q — Epicotyl
- P — Hypogeal, Q — Hypocotyl
Name the following:
(a) A monocotyledonous endospermic seed.
(b) A chemical used in experiments which absorbs oxygen.
(c) Part of the plumule above the embryonic axis of the seed.
(d) A plant which shows viviparous germination.
(e) The layer of endosperm of maize rich in protein.
(f) A seed with folded plumule leaves.
Give two examples of each of the following :
(a) Monocot albuminous seed.
(b) Dicot albuminous seed.
(c) Monocot non-endospermic seed.
(d) Dicot non-endospermic seed.
(e) Viviparous plant.