Academic session 2026-27, Chapter 5 in the current curriculum.
Welcome to the NCERT Solutions for Class 11 Biology - Chapter Morphology of Flowering Plants. This page offers a step-by-step solution to the specific question from Exercise 0, Question 14:
Differentiate between
a. Bract and Bracteole
b. Pulvinus and petiole
c. Pedicel and peduncle
d. Spike and spadix
e. Stamen and staminoid
f. Pollen and pollenium
Differentiate between
a. Bract and Bracteole
b. Pulvinus and petiole
c. Pedicel and peduncle
d. Spike and spadix
e. Stamen and staminoid
f. Pollen and pollenium
a. Bract: When a flower is modified condensed shoot specialized to carry out sexual reproduction in higher plants. Like a branch, it arise in the axil of a small leaf- like structure called bract.
Bracteole: It is a leaf like structure which is present between bract and flower or we can say in the middle of pedicel.
b. Pulvinus: It is a swollen leaf base that are present in leguminous plants which provides movement of the leaf.
Petiole: It connects the leaf base to the lamina. It is a cylindrical or sub cylindrical structure of a leaf stalk. It raises the lamina above the stem level to provide the sufficient light exposure.
c. Pedicle: The receptacle consists of several crowded nodes which are separated by condensed internodes. And, these internodes of the branch which lies below the receptacle is called pedicel.
Peduncle: It is the stalk of complete inflorescence.
d. Spike: When flowers are attached on elongated peduncle but the flowers have no stalks (i.e. sessile). Example: Achyranthes.
Spadix: Spadix is a special type of spike having sterile Peduncle and a large showy bract called spathe. Example: Palm.
e. Stamen: Stamen represents the male reproductive organ of flower.
Staminiod: A sterile or abortive stamen is known as staminoid.
f. Pollen: Male gametophyte of angiosperm is called pollen or microspore.
Pollenium: Pollenium is a group of pollen grains from the same flower which are held together by the sticky substance.
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 14: Differentiate between a. Bract and Bracteole b. Pulvinus and petiole c. Pedicel and peduncle d. ....
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