(C) Raphides are needle-like or hair-like crystals of calcium oxalate found in many plant species. They are typically stored in specialized cells call

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(C) Raphides are needle-like or hair-like crystals of calcium oxalate found in many plant species. They are typically stored in specialized cells called idioblasts. These crystals serve as a defense mechanism against herbivores by causing irritation when ingested.

Class 11 Biology Morphology of Flowering Plants Mix Examples- Morphology of Flowering Plants

Easy

Raphides are needle-like crystals made up of

A
Calcium carbonate
B
Calcium sulphate
C
Calcium oxalate
D
Calcium pectate

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Class 11

Biology Questions

Chapter

Morphology of Flowering Plants

Subtopic

Mix Examples- Morphology of Flowering Plants

Match the columns:

Column $I$ Column $II$

$(a)$ The outermost whorl of the flower $(w)$ Corolla

$(b)$ The second accessory whorl of the flower $(x)$ Calyx

$(c)$ The essential outer whorl of the flower $(y)$ Pistil (Gynoecium)

$(d)$ The innermost whorl of the flower $(z)$ Stamen (Androecium)

Column $I$	Column $II$
$(a)$ The outermost whorl of the flower	$(w)$ Corolla
$(b)$ The second accessory whorl of the flower	$(x)$ Calyx
$(c)$ The essential outer whorl of the flower	$(y)$ Pistil (Gynoecium)
$(d)$ The innermost whorl of the flower	$(z)$ Stamen (Androecium)