Plant Kingdom Class 11 Biology Important Questions

Please refer to Plant Kingdom Class 11 Biology Important Questions with solutions provided below. These questions and answers have been provided for Class 11 Biology based on the latest syllabus and examination guidelines issued by CBSE, NCERT, and KVS. Students should learn these problem solutions as it will help them to gain more marks in examinations. We have provided Important Questions for Class 11 Biology for all chapters in your book. These Board exam questions have been designed by expert teachers of Standard 11.

Class 11 Biology Important Questions Plant Kingdom

Objective Questions

Question. Cones is found in
a. Equisetum
b. Salvinia
c. Selaginella
d. Both a and c

Question. In pteridophytes spore germinates to produce
a. Sporophyte
b. Synangium
c. Prothallus
d. Sporocarp

Question. The main differentiating factor between non-vascular and vascular plants is
a. Lack of gametophyte
b. Spore production
c. The presence of tracheids
d. All

Question. The heterosporous pteridophytes are
a. Lycopodium, pteris
b. Selaginella and psilotum
c. Selaginella and salvinia
d. Dryopteris and adiantum

Question. Which one is correct about heterosporous pteridophytes?
a. Microspore and megaspore develop into male and the female gametophytes respectively
b. The female gametophyte are retained on the parent sporophyte for variable period
c. The development of the zygote into the embryo takes place within female gametophyte
d. All

Question. Bryophytes are not characterized by
a. Well-developed root system and vascular tissue
b. Rhizoids
c. Alterations of generation
d. Presence of chlorophyll

Question. Funaria requires water because
a. Fertilisation occurs in water only
b. Funaria is a hydrophyte
c. Plants dry up and die without water
d. No branching and sex organ develop without water

Question. In mosses gametophyte has 2 stages. What are these stages?
a. 1st stage is sporogonium phase and 2nd is protonema stage
b. 1st stage is protonema and 2nd is leafy stage
c. 1st stage is gemmae formation and 2nd is meiosis
d. 1st stage is zygote and 2nd is spore mother cell

Question. Spores dispersal in mosses occurs by
a. Simple mechanism
b. Elaters
c. Elaterophores
d. Elaborate mechanism

Question. Place the following groups of plants in order, beginning with those that first appeared on the earth and progressing towards those that appeared most recently in the time
a. Gymnosperms, angiosperms, ferns, moss, algae
b. Algae, moss, ferns, gymnosperm, angiosperm
c. Moss, algae, ferns, angiosperm, gymnosperm
d. Algae, ferns, angiosperm, gymnosperm, moss

Question. Horse tails and ferns are
a. Bryophytes
b. Pteridophytes
c. Gymnosperms
d. Hornworts

Question. Choose the incorrect statement
a. All the pteridophytes are found in cool, damp, shady places
b. Some pteridophytes may flourish well in sandy-soil conditions
c. Most of the pteridophytes are found in cool, damp, shady place
d. A very few pteridophytes are hydrophytes

Question. Choose the correct option
a. Selaginella has small leaves
b. Selaginella has large leaves
c. Ferns have megaphylls
d. Both a. and c.

Question. Annulus occurs in:
a. Mosses
b. Both mosses and ferns
c. Annual plants
d. Gymnosperms

Question. Which of the following is considered important in the development of Seed habit?
a. Dependent Sporophyte
b. Heterospory
c. Haplontic life cycle
d. Free-living gametophyte

Question. Prothallus is:
a. Gametophyte, dioecious, autotroph present in pteridophytes
b. Gametophyte, monoecious, autotroph found in bryophytes
c. Sporophyte, dioecious, hetorotroph found in bryophytes
d. Gametophyte, monoecious, autotroph present in pteridophytes

Question. Choose the wrong statement:
a. Gymnosperms lack vessels in their xylem.
b. Gymnosperms does not have albuminous cells and sieve cells in their phloem.
c. The first formed primary xylem elements are called protoxylem.
d. Gymnosperms have albuminous cells and sieve cells in their phloem.

Question. Gymnosperms are also called soft wood spermatophytes because they lack:
a. Cambium
b. Phloem fibres
c. Thick – walled tracheids
d. Xylem fibres

Question. Which is the source of Turpentine oil?
a. Gymnospermic wood
b. Angiospermic wood
c. Gymnospermic seed
d. Angiospermic seed

Question. Which of the following is / are grouped under phanerogams?
a. Angiosperms
b. Gymnosperms
c. Pteridophytes
d. Both (a) & (b)

Question. In Pinus/gymnosperms, the haploid structures are:
a. Megaspore, endosperm and embryo
b. Pollen grain, leaf and root
c. Megaspore, integument and root
d. Megaspore, pollen grain and endosperm

Question. A plant having seeds but lacking flowers and fruits belongs to:
a. Gymnosperms
b. Mosses
c. Ferns
d. Pteridophytes

Question. Winged pollen grains are found in:
a. Cycas
b. Pinus
c. Mango
d. Dryopteris

Question. Megasporophyll is the term used in gymnosperm to denote
a. Carpels
b. Stamens
c. Leaves
d. Female cone

Question. Gymnosperms have a mode of pollination called:
a. Zoophily
b. Entomophily
c. Anemophily
d. Hydrophily

Question. Sago comes from:
a. Phoenix dactylifera
b. Areca catechu
c. Metroxylon rumphii
d. Calamus ritung

Question. In gymnosperms, how many male gametes are produced by each pollen grain?
a. 4
b. 3
c. 2
d. 1

Question. Incorrect statement about Sequoia:
a. It is also known as red wood tree.
b. It is one of the tallest angiosperm.
c. It possess tap root system.
d. Ovules are naked.

Question. Which of the following is not included in ‘Archegoniate’?
a. Bryophytes
b. Pteridophytes
c. Gymnosperms
d. Angiosperms

Question. Angiosperms differ from gymnosperms as they show:
a. Double fertilization
b. Triple fusion
c. Triploid to polyploid endosperms
d. All of the above

Question. Seeds are present inside the fruit wall in:
a. Angiosperms
b. Gymnosperms
c. Pteridophytes
d. Bryophytes

Question. The smallest angiospermic flower is:
a. Wolffia
b. Ranunculus
c. Rafflesia
d. Stellariam

Question. Double fertilization occurs among:
a. Algae
b. Bryophytes
c. Angiosperms
d. Gymnosperms

Question. In angiosperms, ploidy of embryo sac is:
a. Diploid
b. Triploid
c. Haploid
d. Both (a) or (c)

Question. Seeds of gymnosperms have three generations, that is:
a. Two sporophytic and one gametophytic generation
b. Two gametophytic and one sporophytic
c. All the three sporophytic generations
d. All the three gametophytic generations

Question. All plants exhibit alternation of generations. This means their life cycle:
a. Includes both haploid and diploid gametes.
b. Shows only asexual reproduction.
c. Has both a multicellular haploid stage and a multicellular diploid stage.
d. Does not include meiosis.

Question. Find out the incorrect statement.
a. Fucus, an alga is diplontic.
b. The diploid sporophyte is represented by a dominant, independent, photosynthetic, vascular plant body.
c. All seed-bearing plants follow diplontic life cycle.
d. Sporophyte generation is represented only by the three-celled zygote.

Image Based Questions

Question. Identify the option with correct set of labellings:

a. 1 – Microsporangium, 3 – Ovule, 7 – Embryo
b. 2 – Microspore, 3 – Megaspore, 6 – Male gamete
c. 4 – Megasporangium, 5 – Pollen grain, 7 – Egg
d. 2 – Microspore, 4 – Ovule, 5 – Microsporangium

Question. Select the option which gives correct information regarding.

a. A green algae and its cell wall possess cellulose, but lacks algin.
b. A brown algae and its stored material is floridean starch. 
c. A pteridophyte and is having protonema stage in its life cycle.
d. A moss and the plant body is thalloid.

Question. Select the option which represents labeled parts (A, B, C and D) correctly.

	A	B	C	D
a.	Capsule	Seta	Leaves	Rhizoid
b.	Seta	Rhizoid	Seta	Leaves
c.	Rhizoid	Seta	Leaves	Capsule
d.	Leaves	Rhizoid	Capsule	Seta

Higher Order Questions

Question. In Funaria, annulus separates:
a. Apophysis and theca
b. Theca and operculum
c. Columella and apophysis
d. Operculum and apophysis

Question. The opening mechanism of sporangium in Dryopteris is effectively operated by:
a. Annulus only
b. Stomium only
c. Annulus and Stomium both
d. Apical opening

Question. While entering the neck of a achegonium in fern, sperms show:
a. Phototaxis
b. Chemotaxis
c. Themotaxis
d. Cyclosis

Question. Movement of water in transfusion tissue of Cycas leaflet is:
a. Lateral
b. To upper side
c. To lower side
d. To acropetal

Question. 200 million years ago, the dominant flora of the earth was of:
a. Archaebacteria
b. Mosses and ferns
c. Gymnosperms
d. Angiosperms

Question. Choose the true statement:

a. A is sporophyte and is independent
b. A is sporophyte and is dependent on B, which is gametophyte
c. B is sporophyte and is independent
d. B is sporophyte and is dependent on A for food, which is gametophyte

Question. Match the columns and find out the correct combination:

A. Chlorophyll a and d	1. Gracilaria
B. Chlorophyll a and c	2. Dictyota
C. Chlorophyll a and b	3. Polysiphonia
D. Phycoerythrin	4. Ulothrix

a. A-1 B-4 C-2 D-3
b. A-1 B-3 C-2 D-4
c. A-3 B-2 C-4 D-1
d. A-2 B-3 C-4 D-1

Question. Match the columns and find out the correct combination:

A. Homosporous	1. Plants producing are one type of spores
B. Heterosporous	2. Plants producing are two types of spores
C. Protandrous	3. Male reproductive organ mature before the female
D. Protogynous	4. Female reproductive organ mature before the male reproductive organ

a. A-1 B-2 C-4 D-3
b. A-1 B-2 C-3 D-4
c. A-3 B-4 C-2 D-1
d. A-2 B-1 C-4 D-3

Question. Incorrect statement is:
a. Rhizome is absent in Equisetum and present in potato.
b. Rhizophore is present in Ginkgo and absent in Selaginella.
c. Rhizoids are absent in Funaria and present in Pinus.
d. All of these.

Question. Which statement cannot be related with Pinus seed dispersal?
a. It is liberated at three – celled stage by wind.
b. Wings are formed by ovuliferous scale epidermis.
c. Seed dispersal by anemochory.
d. Seeds are present on adaxial surface of ovuliferous scale.