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

Answers (1)
S safeer

Ans:

a. The bracteolate is found between the bract and flower while a bract is found towards the base of the pedicle.

b. Petiole is a subcylindrical stalk that connects the lamina with the leaf base while Pulvinus is a swollen leaf base which is found in leguminous plants.

c. The Peduncle is a stalk of the whole inflorescence while a pedicle is the stalk of a flower.

d. Spadix is covered by several large bracts known as spates while in spike sessile flowers are attached on an elongated peduncle.

e. Every stamen represents a male reproductive organ and androecium is composed of stamens. Staminode is a sterile stamen. 

f. Polonium is defined as the group of pollen grains while a pollen is a male gametophyte of angiosperms.

Preparation Products

NEET Foundation 2022

NEET Foundation 2022.

₹ 14999/-
Buy Now
Biology Foundation for Class 10

Biology Foundation for Class 10.

₹ 999/- ₹ 499/-
Buy Now
Knockout JEE Main April 2021 (One Month)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 14000/- ₹ 4999/-
Buy Now
Knockout NEET May 2021 (One Month)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 14000/- ₹ 4999/-
Buy Now
Knockout JEE Main May 2021

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 22999/- ₹ 9999/-
Buy Now
Boost your Preparation for JEE Main with our Foundation Course
 
Exams
Articles
Questions