Biology
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
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Answer
P and R
Reason — Bean seeds are dicotyledonous and non-endospermic. Bean seeds store food mainly in cotyledons, which are rich in proteins.
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Related Questions
The part of an embryo which develops into root is
- Coleorhiza
- Plumule
- Coleoptile
- Radicle
Which of the following statements holds true for a maize grain?
- The maize grain is a ripened ovary containing a single seed.
- The fruit wall and seed coat are fused together.
- The outermost layer of the endosperm is rich in protein.
- All of the above.
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
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.