A system which gets a continuous flow of energy is called
1.micropropagated system
2.closed system
3.open system
4.steady state
According to five-kingdom classification, which of the following does not contain nuclear membrane?
1.Protista
2.Monera
3.Fungi
4.Animalia
Antheridia and Archegonia are sex organs of
1.Moss
2.Mucor
3.Spirogyra
4.Puccinia
Artabotrys is a hook climber in which the hooks are modified
1. inflorescence axis
2.petiole
3.roots
4.stipules
Bacteria that live in hot springs are called
1.Halophiles
2.Thermoacidophiles
3.Methanogens
4.None of the above
Binomial Nomenclature was given by
1.Ernst Mayr
2.Alexander Agassiz
3.Carolus Linnaeus
4.Alexander Agassiz and Carlous Linnaeus
Binomial nomenclature was given by
1.huxley
2.ray
3.darwin
4.linnaeus
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
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.
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
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
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
Closed vascular bundles lacks
1.pith
2.xylem
3.cambium
4. xylem vessels
Exceptional roots of Cuscuta are
1.haustorial
2.coralloid
3.mucorhizal
4.All of the above
Floating roots are characteristic of
1.Tinospora
2.Jussiaea
3.Viscum
4.Vanda
Gymnosperms produce neither flower nor fruit because they do not possess
1.Embryo
2.Ovary
3.Ovule
4.Seed
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
If a scientist has to names a similar species he should study the
1.Holotype
2.syntype
3.mesotype
4.isotype
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
In banana, the stem is
1.underground only
2. both underground and aerial
3.absent
4.aerial only
In gymnosperms, the development of pollen grains occurs in
1.Strobili
2.Microsporangia
3.Megasporangia
4.Macrosporangia
In Lathyrus, the leaves are modified into
1.thorns
2.cladodes
3.tendrils
4.spines
In moss stomata appears on
1.Capsule
2.Leaves
3.Stem
4.All of these
In moss stomata appears on
1.Capsule
2.Leaves
3.Stem
4.All of these
In tamarind, the pinnate leaf is
1.bipinnate
2.tripinnate
3.paripinnate
4.imparipinnate
In which of the following plants stems do not store the food material
1.potato
2.ginger
3.onion
4.colocasia
Iodine is found in
1.Spirogyra
2.Laminaria
3.Polysiphonia
4.Chlorella
Isogamous condition with non-flagellated gametes is found in
1.Chlamydomonas
2.Spirogyra
3.Volvox
4.Fucus
Keystone species are
1. important for ecosystem
2.important for plants
3.endangered species
4.extinct species
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
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
Musca domestica is common name of
1.Housefly
2.Mosquito
3.Snail
4.Ant
National Botanical Research Institute is located in
1.Shimla
2.Dehradun
3.Howrah
4.Lucknow
Pinus differs from mango in having
1.Tree habit
2. Green leaves
3. Ovules not enclosed in ovary
4.Wood
Potato spindle tuber disease is caused by
1.Phycobionts
2.Virus
3.Bacteria
4.Viroids
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
Quiescent centre is present in the
1.apical meristem
2.shoot meristem
3.lateral meristem
4.root meristem
Quinine is obtained from
1.Puccinia
2.Neurospora
3.Gonyaulax
4.Cinchona
Red tides in sea appear due to
1.Euglena
2.Chrysophytes
3.Dinoflagellates
4.Diatoms
Rhodophyceae is called red algae because of the pigment
1. Fucoxanthin
2.Phycoerythrin
3.Carotenoids
4.Chlorophyll c
Ribbon shaped chloroplasts occur in
1.Ulothrix
2.Spirogyra
3.Chlamydomonas
4.Riccia
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
Solanum, Panthera, Homo are examples of
1.Family
2.Division
3.Genera
4.Species epithet
Srem modified to perform the function of a leaf and having many internodes is called as
1. phylloclade
2.cladode
3.offset
4.phyllode
Systematics deals with
1.Nomenclature of new organisms
2.Evolutionary relationship between organisms
3.Identification of newly discovered organisms
4.All of these
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
The arrangement of sepals or petals in floral bud is called
1.Placentation
2.Aestivation
3.Bracteate
4.Phyllotaxy
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
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
The coloured part of a Bougainuillea flower is the
1.corolla
2.calyx
3.bracts
4.androecium
The gametophyte is not an independent, free-living generation in
1.Pinus
2.Polytrichum
3.Adiantum
4.Marchantia
The largest petal overlaps the lateral ones in _________ aestivation.
1.Papilionaceous
2.Valvate
3.Twisted
4.Imbricate
The natural system of Classification is based on
1. morphology
2. evolutionary trend
3.anatomy
4.All of the above
The ozone layer is found in the
1.hydrosphere
2.stratosphere
3.lithosphere
4.troposphere
The petiole is swollen and spongy in
1.Nepenthes
2.Trapa
3.Clematis
4.All of the above
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
The scientist who created the group protista for both unicellular plants and animals is
1.haecke
2.pasteur
3.lister
4.koch
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
The study of fish culture is called
1.ophiology
2.herpetology
3.ichthyology
4.pisciculture
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
The two kingdom Classification was given by
1. c.linnaeus
2. john ray
3.huxley
4.whittaker
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
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
Trypanosoma causes
1.Dysentry
2.Mumps
3.Sleeping sickness
4.Cholera
Two organisms of the same class but different families will be kept under the same
1. genera
2.species
3.order
4.family
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
Wheat belongs to division ______.
1.Angiospermae
2.Gymnospermae
3.Poacae
4.None of the above
Which amongst kingdom animalia has become recently extinct?
1.snow leopard
2.indian macaque
3.cheetah
4.tiger
Which of the following does not come under taxon?
1.Species
2.Kingdom
3.Division
4.Key
Which of the following is a liverwort?
1.Sphagnum
2.Funaria
3.Marchantia
4.Polytrichum
Which of the following is an indicator of air pollution?
1.Mycorrhiza
2.Agaricus
3.Lichens
4.Common mushrooms
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
Which of the following is not a viral disease?
1.AIDS
2.Herpes
3.Tuberculosis
4.Smallpox
Which of the following is used in biochemical and genetic work?
1.Claviceps
2.Aspergillus
3.Neurospora
4.Mucor
Which of the following is used to grow microbes?
1.Laminaria
2.Gelidium
3.Chlorella
4.Sargassum
Which of the following plants is used extensively for the study of photosynthesis?
1.Amaranthus
2.Asparagus
3.Chlorella
4.Sunflower
Which of the following shows maximum diversity?
1.Plantas
2.Animalia
3.Monerans
4.Protistans
Which of the followings plant material is an efficient water imbibant?
1. Agar (b) (c) (d)
2.Cellulose
3.Lignin
4.Pectin
Which one of the following is a vascular cryptogram?
1. Cedrus
2.Equisetum
3.Ginkgo
4.Marchantia
Which one of the following plants dose not have root – pockets
1.Pistia
2.Lemna
3.Ficus
4.Eichhornia