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
Question. Cones is found in
d. Both a and c
Question. In pteridophytes spore germinates to produce
Question. The main differentiating factor between non-vascular and vascular plants is
a. Lack of gametophyte
b. Spore production
c. The presence of tracheids
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
Question. Bryophytes are not characterized by
a. Well-developed root system and vascular tissue
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
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
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:
b. Both mosses and ferns
c. Annual plants
Question. Which of the following is considered important in the development of Seed habit?
a. Dependent Sporophyte
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:
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?
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:
Question. Winged pollen grains are found in:
Question. Megasporophyll is the term used in gymnosperm to denote
d. Female cone
Question. Gymnosperms have a mode of pollination called:
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?
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’?
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:
Question. The smallest angiospermic flower is:
Question. Double fertilization occurs among:
Question. In angiosperms, ploidy of embryo sac is:
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.
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:
Question. Movement of water in transfusion tissue of Cycas leaflet is:
b. To upper side
c. To lower side
d. To acropetal
Question. 200 million years ago, the dominant flora of the earth was of:
b. Mosses and ferns
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.