NCERT Class 11/MCQ Questions for Class 11 Biology sets 1 Sample Test,Sample questions

Question:
A system which gets a continuous flow of energy is called

1.micropropagated system

2.closed system

3.open system

4.steady state


Question:
According to five-kingdom classification, which of the following does not contain nuclear membrane?

1.Protista

2.Monera

3.Fungi

4.Animalia


Question:
Antheridia and Archegonia are sex organs of

1.Moss

2.Mucor

3.Spirogyra

4.Puccinia


Question:
Artabotrys is a hook climber in which the hooks are modified

1. inflorescence axis

2.petiole

3.roots

4.stipules


Question:
Bacteria that live in hot springs are called

1.Halophiles

2.Thermoacidophiles

3.Methanogens

4.None of the above


Question:
Binomial Nomenclature was given by

1.Ernst Mayr

2.Alexander Agassiz

3.Carolus Linnaeus

4.Alexander Agassiz and Carlous Linnaeus


Question:
Binomial nomenclature was given by

1.huxley

2.ray

3.darwin

4.linnaeus


Question:
Biosystematics aims at

1.Identification and arrangement of organisms on the basis of cytological characteristics

2.The classification of organisms based on broad morphological characters

3.Delimiting various taxa of organism and establishing their relationships

4.The classification of organisms based on their evolutionary history and establishing their phylogeny on the totality of various parameters from all fields of studies


Question:
Bryophytes are called amphibians of plant kingdom because

1.These plants live in soil and depend on marine organisms for asexual reproduction.

2.These plants live in soil and depend on water for sexual reproduction.

3.These plants live in water and depend on land animals for sexual reproduction.

4. These plants live near water bodies.


Question:
Certain plants called as runners can be easily propagated. This is due to the fact

1.they are numerous in numbers

2.they store the ready food

3. they lie horizontally on the soil

4.they can produce adventitious roots quite readily at the nodes


Question:
Choose the correct match

1.Photosynthetic autotrophs – Nutrient recycling

2.Chemosynthetic autotrophs – Nitrogen fixation

3.Heterotrophic bacteria – Production of antibiotics

4.Mycoplasma – Production of curd


Question:
Choose the correct pair.

1.Parasitic fungi – feeds on plants and animals

2.Saprotrophic fungi – feeds on dead and decaying organic matter

3.Symbiotic fungi – mycorrhiza

4.All of the above are true


Question:
Closed vascular bundles lacks

1.pith

2.xylem

3.cambium

4. xylem vessels


Question:
Exceptional roots of Cuscuta are

1.haustorial

2.coralloid

3.mucorhizal

4.All of the above


Question:
Floating roots are characteristic of

1.Tinospora

2.Jussiaea

3.Viscum

4.Vanda


Question:
Gymnosperms produce neither flower nor fruit because they do not possess

1.Embryo

2.Ovary

3.Ovule

4.Seed


Question:
Identify the incorrect match.

1.Physiology – Study of functions and processes of life

2.Pedology – Soil science

3.Limnology – Study of fresh water

4.Kinesiology – Fossil study


Question:
If a scientist has to names a similar species he should study the

1.Holotype

2.syntype

3.mesotype

4.isotype


Question:
In angiosperm, characters of flowers are used in classification because

1.Flowers are attractive

2. Flowers are large

3.Characters of flowers are conservative

4.None of the above


Question:
In banana, the stem is

1.underground only

2. both underground and aerial

3.absent

4.aerial only


Question:
In gymnosperms, the development of pollen grains occurs in

1.Strobili

2.Microsporangia

3.Megasporangia

4.Macrosporangia


Question:
In Lathyrus, the leaves are modified into

1.thorns

2.cladodes

3.tendrils

4.spines


Question:
In moss stomata appears on

1.Capsule

2.Leaves

3.Stem

4.All of these


Question:
In moss stomata appears on

1.Capsule

2.Leaves

3.Stem

4.All of these


Question:
In tamarind, the pinnate leaf is

1.bipinnate

2.tripinnate

3.paripinnate

4.imparipinnate


Question:
In which of the following plants stems do not store the food material

1.potato

2.ginger

3.onion

4.colocasia


Question:
Iodine is found in

1.Spirogyra

2.Laminaria

3.Polysiphonia

4.Chlorella


Question:
Isogamous condition with non-flagellated gametes is found in

1.Chlamydomonas

2.Spirogyra

3.Volvox

4.Fucus


Question:
Keystone species are

1. important for ecosystem

2.important for plants

3.endangered species

4.extinct species


Question:
Label the parts of a monocot seed.

1.A.Endosperm, B. Scutellum, C. Radicle, D. Coleoptile, E. Plumule

2.A.Endosperm, B. Coleoptile, C. Scutellum, D. Radicle, E. Plumule

3.A.Endosperm, B. Scutellum, C. Coleoptile, D. Radicle, E. Plumule

4.A.Endosperm, B. Scutellum, C. Coleoptile, D. Plumule, E. Radicle


Question:
Match the columns:
1. Basidiomycetes – A. Agaricus
2. Ascomycetes – B. Albugo
3. Phycomycetes – C. Trichoderma
4. Deuteromycetes – D. Saccharomyces

1.1-D, 2-A, 3-B, 4-C

2.1-A, 2-D, 3-B, 4-C

3. 1-A, 2-B, 3-D, 4-C

4.1-C, 2-D, 3-A, 4-B


Question:
Musca domestica is common name of

1.Housefly

2.Mosquito

3.Snail

4.Ant


Question:
National Botanical Research Institute is located in

1.Shimla

2.Dehradun

3.Howrah

4.Lucknow


Question:
Pinus differs from mango in having

1.Tree habit

2. Green leaves

3. Ovules not enclosed in ovary

4.Wood


Question:
Potato spindle tuber disease is caused by

1.Phycobionts

2.Virus

3.Bacteria

4.Viroids


Question:
Potato tuber is an underground stem because

1.it lacks chlorophyll

2.it is swollen

3. it possesses axillary buds

4.it stores starch as reserve food material


Question:
Quiescent centre is present in the

1.apical meristem

2.shoot meristem

3.lateral meristem

4.root meristem


Question:
Quinine is obtained from

1.Puccinia

2.Neurospora

3.Gonyaulax

4.Cinchona


Question:
Red tides in sea appear due to

1.Euglena

2.Chrysophytes

3.Dinoflagellates

4.Diatoms


Question:
Rhodophyceae is called red algae because of the pigment

1. Fucoxanthin

2.Phycoerythrin

3.Carotenoids

4.Chlorophyll c


Question:
Ribbon shaped chloroplasts occur in

1.Ulothrix

2.Spirogyra

3.Chlamydomonas

4.Riccia


Question:
Scientific name of plants are given by

1. International code for Botanical nomenclature

2.International code for biological plants

3.Indian code for Botanical nomenclature

4.International code for zoological nomenclature


Question:
Solanum, Panthera, Homo are examples of

1.Family

2.Division

3.Genera

4.Species epithet


Question:
Srem modified to perform the function of a leaf and having many internodes is called as

1. phylloclade

2.cladode

3.offset

4.phyllode


Question:
Systematics deals with

1.Nomenclature of new organisms

2.Evolutionary relationship between organisms

3.Identification of newly discovered organisms

4.All of these


Question:
Taxonomic studies depends on

1.Ecological information of organisms.

2.Structure of cell and development process of organisms.

3.External and internal structure of organisms.

4.All of the above


Question:
The arrangement of sepals or petals in floral bud is called

1.Placentation

2.Aestivation

3.Bracteate

4.Phyllotaxy


Question:
The asexual spores are not found, vegetative reproduction occurs by fragmentation and sexual organs are absent. Identify the class of fungi.

1.Phycomycetes

2.Ascomycetes

3.Basidiomycetes

4.Deuteromycetes


Question:
The axillary buds arise

1.endogenously from the pericycle

2. exogenously from the tissues of the shoot apex

3.endogenously from the cambium tissues

4.exogenously from the innermost layers of cortex


Question:
The coloured part of a Bougainuillea flower is the

1.corolla

2.calyx

3.bracts

4.androecium


Question:
The gametophyte is not an independent, free-living generation in

1.Pinus

2.Polytrichum

3.Adiantum

4.Marchantia


Question:
The largest petal overlaps the lateral ones in _________ aestivation.

1.Papilionaceous

2.Valvate

3.Twisted

4.Imbricate


Question:
The natural system of Classification is based on

1. morphology

2. evolutionary trend

3.anatomy

4.All of the above


Question:
The ozone layer is found in the

1.hydrosphere

2.stratosphere

3.lithosphere

4.troposphere


Question:
The petiole is swollen and spongy in

1.Nepenthes

2.Trapa

3.Clematis

4.All of the above


Question:
The Phylogenetic system of classification was put forth by

1.Theophrastus

2.George Bentham and Joseph Dalton Hooker

3.Carolus Linnaeus

4.Adolf Engler and Karl Prantl


Question:
The scientist who created the group protista for both unicellular plants and animals is

1.haecke

2.pasteur

3.lister

4.koch


Question:
The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are

1.Pteridophytes

2.Angiosperms

3.Gymnosperms

4.None of these


Question:
The study of fish culture is called

1.ophiology

2.herpetology

3.ichthyology

4.pisciculture


Question:
The term phyllotaxy is used to describe the

1.type of ovary in a plant

2.mode of arrangement of leaves

3.type of roots

4.arrangement of sepals and petals


Question:
The two kingdom Classification was given by

1. c.linnaeus

2. john ray

3.huxley

4.whittaker


Question:
Thors and spines are

1.homologous organs

2.analogous organs

3.thron is homologous while spine is analogous

4. spine is homologous while is analogous


Question:
Transgenic plants are the ones

1.Grown in artificial medium after hybridization in the field

2.Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell

3. Produced by a somatic embryo in artificial medium

4. Produced after protoplast fusion in artificial medium


Question:
Trypanosoma causes

1.Dysentry

2.Mumps

3.Sleeping sickness

4.Cholera


Question:
Two organisms of the same class but different families will be kept under the same

1. genera

2.species

3.order

4.family


Question:
Two taxonomic species are distinguished from each other by

1.their failure to interbreed

2.their ability to exchange gene freely

3. their similarity in morphological characters

4.discontinuity in a set of correlated characters


Question:
Wheat belongs to division ______.

1.Angiospermae

2.Gymnospermae

3.Poacae

4.None of the above


Question:
Which amongst kingdom animalia has become recently extinct?

1.snow leopard

2.indian macaque

3.cheetah

4.tiger


Question:
Which of the following does not come under taxon?

1.Species

2.Kingdom

3.Division

4.Key


Question:
Which of the following is a liverwort?

1.Sphagnum

2.Funaria

3.Marchantia

4.Polytrichum


Question:
Which of the following is an indicator of air pollution?

1.Mycorrhiza

2.Agaricus

3.Lichens

4.Common mushrooms


Question:
Which of the following is not a feature of spring wood?

1.Color of the wood is light.

2.Density is less

3.Cambium is active

4.Lesser number of xylary elements


Question:
Which of the following is not a viral disease?

1.AIDS

2.Herpes

3.Tuberculosis

4.Smallpox


Question:
Which of the following is used in biochemical and genetic work?

1.Claviceps

2.Aspergillus

3.Neurospora

4.Mucor


Question:
Which of the following is used to grow microbes?

1.Laminaria

2.Gelidium

3.Chlorella

4.Sargassum


Question:
Which of the following plants is used extensively for the study of photosynthesis?

1.Amaranthus

2.Asparagus

3.Chlorella

4.Sunflower


Question:
Which of the following shows maximum diversity?

1.Plantas

2.Animalia

3.Monerans

4.Protistans


Question:
Which of the followings plant material is an efficient water imbibant?

1. Agar (b) (c) (d)

2.Cellulose

3.Lignin

4.Pectin


Question:
Which one of the following is a vascular cryptogram?

1. Cedrus

2.Equisetum

3.Ginkgo

4.Marchantia


Question:
Which one of the following plants dose not have root – pockets

1.Pistia

2.Lemna

3.Ficus

4.Eichhornia


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