VBQs Class 11 Biology Plant Kingdom

Please refer to VBQs for Class 11 Biology Plant Kingdom. All value based questions for English Class 11 have been provided with solutions. We have provided below important values questions and answers. Students should learn these solved VBQs for Class 11 Biology as these will help them to gain more marks and help improve understanding of important topics.

Plant Kingdom VBQs Class 11 Biology with Answers

MCQs

Question. Cyanobacteria is referred to as blue green algae due to presence of
a. Chlorophyll a
b. Xanthophyll
c. Chlorophyll b
d. Phycocyanin

Question. ‘Ordines Anomali’ of Bentham & Hooker includes:
a. Seed plant showing abnormal form of growth and development.
b. Plant represented only in fossil state.
c. Plants described in the literature, but which Bentham & Hooker did not see in original.
d. A few orders which could not be placed satisfactorily in the classification.

Question. Tracheophyta consists of:
a. Pteridophytes, gymnosperms and angiosperms
b. Pteridophytes only
c. Gymnosperms and angiosperms
d. Bryophytes only

Question. Match the column:

I	II
A. Microspermae	1. Alismaceae
B. Epigynae	2. Liliaceae
C. Calycinae	3. Iridaceae
D. Apocarpae	4. Orchidaceae
D. Coronariae	5. Palmae

a. A-2 B-3 C-4 D-5 E-1
b. A-4 B-3 C-5 D-1 E-2
c. A-3 B-4 C-5 D-1 E-2
d. A-1 B-2 C-3 D-4 E-5

Question. Algae which forms motile colony is:
a. Volvox
b. Nostoc
c. Spirogyra
d. Chlamydomonas

Question. The cell wall of algae is chemically composed of:
a. Hemicellulose, pectins, proteins
b. Chitin
c. Cellulose, galactans, Mannan
d. Pectins, cellulose, proteins

Question. About 7% of total world production of iodine is obtained by which algae?
a. Ulothrix
b. Polysiphonia
c. Spirogyra
d. Laminaria

Question. Zygote of Spirogyra produces four haploid nuclei in which:
a. One is functional
b. Two are functional
c. Three are functional
d. All are functional

Question. A natural antibiotic is provided by:
a. Chlorella
b. Ulothrix
c. Dictyota
d. Chlamydomonas

Question. A group of plants which are autotrophs their sex organs are non-jacketed and whose zygotes secretes thick wall are called:
a. Phycophytes
b. Lichens
c. Bryophytes
d. Thallophytes

Question. Algae known for biological activity bioluminescence:
a. Spirogyra
b. Chlorella
c. Cyclotella
d. Noctiluca

Question. Phycology is the study of:
a. Algae
b. Fungi
c. Bryophytes
d. Lichens

Question. Moss protonema can be differentiated from filamentous alga in:
a. Long rhizoids
b. Oblique septa
c. Coenocytic nature
d. Absence of chloroplasts

Question. ‘Nonflagellate’ gametes occur in:
a. Ulothrix
b. Funaria
c. Spirogyra
d. Selaginella

Question. During asexual reproduction, in most of brown algae, zoospores are produced which are:
a. Elongated with no flagella
b. Elongated with one flagella
c. Pear-shaped with one flagella
d. Pear-shaped with two flagella 

HOTs Questions

Question. Heterospory and seed habit are often discussed in relation to a structure called:
a. Spathe
b. Bract
c. Petiole
d. Ligule

Question. Which of the following has amphiphloic-siphonostele?
a. Rhizome of Marsilea
b. Stem of Lycopodium
c. Rhizome of Pteris
d. Stem of Equisetum

Question. The winged pollen grains are the characteristic feature of
a. Cycas
b. Ephedra
c. Pinus
d. Gnetum

Question. From the pith of stem of Cycas revoluta (sago) is obtained which is used as food article for a patient with stomach disorders because:
a. It is much tastier
b. Its nutritive value is very high
c. It is having adequate amount of starch.
d. It is a cheap food article.

Question. Brown colour of Phaeophyceae is due to excess of:
a. Fucoxanthin
b. Phycoerythrin
c. Lycopene
d. Zeaxanthin

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

A. Apospory	1. Development of gametophyte from sporophyte
B. Apogamy	2. Development of sporophyte from gametophyte
C. Homosporuos Pteridophyte	3. Selaginella
D. Heterosporous Pteridophyte	4. Pteris

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

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

A. Protonema	1. Cedrus
B. Prothallus	2. Dryopteris
C. Naked seeded	3. Cocos
D. Triple fusion	4. Sphagnum

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

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

A. Polytrichum	1. Lycopsida
B. Selaginella	2. Sphenopsida
C. Equisetum	3. Moss
D. Adiantum	4. Pteropsida

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

Question. Incorrect statement are:
A. Since mosses form dense mats on the soil, they reduce the impact of falling rain and prevent soil erosion.
B. The plant body of bryophytes is more differentiated than that of algae, it is thallus like and prostrate or erect, and attached to the substratum by unicellular or multicellular rhizoids.
C. Many species of Spirogyra, Vaucheria and Chara are among the 70 species of marine algae used as food.
D. Majority of the red algae are marine with greater concentrations found in the warmer areas.
E. The common phaeophytes are Polysiphonia, Porphyra, Gracilaria and Gelidium.
F. Bryophytes and pteridophytes, interestingly, exhibit an intermediate condition of life cycle (Haplodiplontic), in which both phases are multicellular but they diffuse in their dominant phases.
a. C and E
b. A, B and F
c. B, C and F
d. B and D

Question. Select incorrect statement with respect to Cycas female sex organ.
a. Female sex organ is female cone.
b. Megasporophyll is laterally placed at the tip of plant.
c. Ovules are arranged laterally in notches of megasporophyll.
d. Ovules are not surrounded by ovary wall.

Question. Read the following statements.
A. Sporophyte is the dominant, photosynthetic, independent phase of the plant.
B. Highly reduced female gametophyte as embryosac is present in their ovule.
C. The pollen grains are carried in air currents and directly come in contact with the opening in the ovules.
How many statements are correct for gymnosperms and angiosperms, respectively?
a. One and Two
b. Zero and three
c. Two and two
d. Three and two

Question. Consider the following statements (A-D) about algae.
A. Highly variable in form and size.
B. Commonly asexual reproduction by exogenous motile spores.
C. Simple, thalloid and largely aquatic organisms.
D. A few of the marine forms such as kelps, form massive vascular plant bodies.
a. Only (D) is incorrect
b. Only (C) is incorrect
c. (A) & (C) are correct
d. All statements are correct