Chapter 2 Biology Class 12 MCQs. We covered all the Chapter 2 Biology Class 12 MCQs in this post for free so that you can practice well for the exam.
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Chapter 2 Biology Class 12 Objective MCQs for Students
A flower is a modified:
(a) node
(b) flower meristem
(c) root apical meristem
(d) shoot meristem
Option d – shoot meristem
All the whorls of a flower are borne on:
(a) thalamus
(b) peduncle
(c) pedicel
(d) axis
Option a – thalamus
What is the yellow dust present in the middle of a flower called?
(a) Zygote
(b) Sperm
(c) Stomata
(d) Pollen
Option d – Pollen
A band of sterile, parenchymatous cells present in between the two lobes of anther is called:
(a) neuter flower
(b) theca
(c) connective
(d) adhesive
Option c – connective
The condition of stamens in which stamens are fused with a carpel throughout their whole length is called:
(a) epipetalous
(b) polyadelphous
(c) epitepalous
(d) gynandrous
Option d – gynandrous
In an inflorescence where flowers are borne laterally in an acropetal succession, the position of the youngest floral bud shall be:
(a) proximal
(b) distal
(c) intercalary
(d) anywhere
Option b – distal
Which of the inflorescence is weak and the whole inflorescence drops down?
(a) Spike
(b) Catkin
(c) Corymb
(d) Spadix
Option b – Catkin
In Candytuft, the older flowers have longer pedicels while newer ones have shorter pedicels. This type of inflorescence is known as:
(a) corymbose raceme
(b) umbel
(c) corymb
(d) spadix
Option c – corymb
Which of the following inflorescence is seen in sunflowers?
(a) Capitulum
(b) Spadix
(c) Spike
(d) Raceme
Option a – Capitulum
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