Question # 1

When all the original specimens and their duplicates have been lost or destroyed

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Lecto type

Neotype

Isotype

Paratype

Botanical name of tomato

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Solanumtuberosum

Lycopersicumesculentum

Petunia Alba

Solanumnigrum

Phanerogamy includes

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Bryophytes and pteriodphytes

Thalophytes and carmophytes

Angiosperms and gymnosperms

Thalophytes and pteridophytes

The appendages of anthers form a corona

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Tanslator

Cuculli

Staminal

Pollinium

Why molds can grow on oranges and jelly kept in refrigerator where generally bacteria cannot reach

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They are well adapted to live on land

Hyphae are modified

They can tolerate temperature extremes minus 5 degree centigrade below freezing and 50 degree centigrade or more

They have rhizoids

Leaves of ---------- are used for the treatment of asthma

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Datura

Lyecium

Atropa

Solanum

In ------------- long flowering stalk develops

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Parthenocarpy

Elongation

Vernalizaion

Bolting

------------ are the reaction that takes place during the light phase of photosynthesis

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Kelvin cycle

Photo-reaction

Hill's reaction

All

Aggregates of closely related species

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Infra specific species

Variety

Subspecies

Genus

Cohesion theory of ascent of sap is proposed by

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Zimmernmann

John jolly

Dixon

Both a & b

The largest genus of family Solanaceae is

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Solanum

Capsicum

Lyceum

Atropa

The phenomenon of interference / hide the effect of one gene present at one locus by the other gene present at other locus is called

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Epistasis

Crossing over

Gene linkage

Synapsis

The group of enzymes that bring about non-hydrolytic addition or removal of substrate are

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Hydrolase

Protease

Heptase

Dehydrogenase

A sex limited trait is limited to only one sex due to

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Taxonomic differences

Ecological differences

Physiological

Anatomical difference

The non-protein part covalently bonded to enzyme is

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APO-enzyme

Coenzymes

Co-factor

None

Seed of rosaceae is

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Edosperm

Endosperm oily

Non endosperm

None

What are the important features that fungi have which help them in their survival on land?

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Tolerate wide range of pH

Tolerate temperature

Tolerate high osmotic pressure

All of the above

A fungal hyphae having 2 nuclei of different genetic type is called as

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Karyogamy

Plasmogamy

Hetrokaryotic

Fragmentation

All fungi lack chlorophyll and on the basis of their mode of nutrition, they include all these groups except

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Absorptive heterotrphs

Saprotrophs

Decomposers

Autotrophs

The species with the same specific epithet cannot occur in the genus. If this happens, they are called

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Homonym

Synonym

Legitimate

Illegitimate

Fungi are classified in a number of groups which is one of the following groups that does not show sexual reproduction

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Zygomycota

Ascomycota

Basidiomycota

Deuteromycota

It includes the plants in which perianth is absent or reduced

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Apocarpae

Nudiflorae

Heteromarae

Glumacae

Green color blindness is called

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Parotanopia

Denteranopia

Tritanopia

Non of these

Plants of Euphorbiaceae contain the vitamin

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A

B

C

D

Certain hornlike projections are given out from the back of anthers

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Translator

Cuculli

Gynoestigium

Pollinium

A succulent berry with hard rind is commonly known as

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Drupe

Pome

Pepo

None

Bentham and Hooker divided plants in 202 orders

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Seeded

non-seeded

Floral

non-floral

Major types of ecosystems, those that occupy board geographical regions are called

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Climax community

Biome

Planetary ecosystem

Community

Nullo gamete is

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With one sex chromosome

With one sex chromosome present

With no sex chromosome

Without any chromosome

Which one of the following is a biotic component?

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Atmosphere

Water

Fungi

Soil

Fruits of labiateae is

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Pome

Pappus

Drupe

Carcerulus

The body of fungus is called as

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Mycelium

Hyphae

Septate hyphae

Coenocytic

The transference of pollen grains on the stigmatic surface is brought by a special structure

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Polonium

Gynoestigium

Corpusculum

Translator

Fruit of labiateae consists of four ------------- nutlets.

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One seeded

Two seeded

Three seeded

Four seeded

The water culture technique for growing plants with their roots in a recirculating water solution is

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Hydroponics

Sericulture

Hygoculture

Hydroculture

In an ecosystem Green photosynthetic plants, which capture and bring light energy into ecosystem are termed as

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Consumers

Decomposers

Producers

Parasites

While studying a community er come across three levels of organizations which include all of these except

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Individual

Population

Community

Species

Fruits of Emblicaofficinalis are used for making

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Oil

Perfume

Hair dye

All of these

The genus name and the specific epithet together

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Scientific name

Nomenclature

Binomial

Specific name

Protanopia is

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Green blindness

Red blindness

Yellow blindness

Blue blindness

Presence of metameric segmentation

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Lumbricus

Daphnia

Arenicola

Both A and C are correct

All the following are unique to the molluscs except one. Select the exception.

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mantle

shell

visceral mass

head-foot

In phytomastigophorean each chloroplast has a structure -------------- which stores and synthesizes polysaccharides.

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Stigma

Pyrenoid

Euglenoid

None of above

All of the following mollusc characters would be found in a member of the class Bivalvia except one. Select the exception.

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Visceral mass

head-foot

mantle cavity

radula

Water exits the mantle cavity of a bivalve through the ------------ and the excurrent opening

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water tube

incurrent opening

suprabranchial chamber

pericardial cavity

Scientific name of blood fluke is

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Schistosoma

Taenia solium

Echinocissus granulosus

Clonorchis sinensis

Which of the following is a distinct feature that occurs in all pseudocoelomate phyla?

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pseudocoelom

adhesive glands

cuticle

none of the above

The approach which makes hypothesis of geneological relationships among monophyletic groups of organisms is

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evolutionary systematic

Phylogenetic systematic

Numarical taxonomy

Both A and C

Triploblastic is the characteristic of phylum

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Nematoda

Nemerteans

Platyhelminths

Annelida

Earthworms belong to the annelid subclass

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Hirudinea.

Chaetognatha.

Polychaeta.

Oligochaeta.

------------- harbours the sexual stages of the parasite

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Intermediate host

Definitive host

None of above

The scientific name of the common pinworm is

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Ascaris lumbricoides.

Enterobius vermicularis

Trichinella spiralis.

Wuchereria bancrofti

Which of the following is not a common feature of aschelminth?

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incomplete digestive tract

a muscular pharynx

constant cell numbers (eutely)

adhesive glands

Scientific name of fish tape worm is

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Clonorchis sinensis

Schistosoma

Diphyllobothrium latum

Fasciola hepatica

In Schizogony ----------- divisions takes place in mature individual

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Mitotic

Meiotic

Multiple mitotic

First mitotic then meiotic

Acanthocephalans are also known as spiny-headed worms because of their spiny

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True

False

none of the above

Primary host for Fasciola hepatica is

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Snail

Sheep

Cattle

Both A and B are correct

Which of the following is true of the visceral mass of a mollusc?

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It contains the gills

It secretes the shell

It is used in locomotion

It contains gonads and digestive glands

Number of the phylum Nematomorpha are commonly called the ------------- worms.

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horsehair

Gordian

round

both a and b are correct

Coccidians and Plasmodium are the examples of phylum---------.

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Microspora

Acetoospora

Apicomplexa

Myxozoa

A mosquito is necessary for development of Trichinella spiralis

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True

False

none of the above

Animals of phylum cnidaria can be found in

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Aquatic environment

Marine environment

Dry and harsh environment

Both A and B are correct

A clitellum is present in the members of the class Polychaeta is

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Hirudinea.

Polychaeta.

Oligochaeta.

IIirudinea and Oligochaeta

The aschelminths are seven phyla grouped only for convenience.

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True

False

none of the above

Members of class phytomastigophoreans are

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Dioecious

Monoeious

Both A and B are correct

None of above

The mantle of most mollusks

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is modified for locomotion

is used in attracting prey

secretes the shell

supports the radula

A regular arrangement of microtubules called --------- underlies the plasma membrane of many protozoa

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Pellicle

mesosomes

peroxisomes

Both A and B are correct

Elephantiasis is caused by filarial worms (i.e., Wuchereia spp.).

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True

False

none of the above

The operculum aids in both respiration and reproduction in gastropods

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True

False

None of Above

The excretory product in protozoa is primarily

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Urea

Ammonia

Uric acid

None of these

Cephalopods rely on olfactory senses for detecting prey

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True

False

None of above

All are the characteristics of phylum Apicomplexa except------------------

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Single type of nucleus

Have resistant spores

Apical complex for penetrating host cells

No cilia and flagella

Radiolarians and heliozoans are members of

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Phylum Apicomplexa

Phylum Sarcomastigophora

Phylum Acetospora

Phylum Ciliophora

Members of which of the following mollusc classes would be characterized by a reduced head, a mantle that surrounds the entire body and a tusk-shaped shell?

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Scaphopoda

Bivalvia

Polyplacophora

Gastropoda

Members of which of the following mollusc classed would be characterized by a shell consisting of 8 plates?

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Aplacophora

Polyplacophora

Monoplacophora

Cephalopoda

Annelids and Arthropods share all of the following characteristics except one. Select the exception.

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A ventral cord

A complete digestive tract

Metamerism

An exoskeleton

Ascaris lumbricoides is commonly known as the giant intestinal roundworm of humans.

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True

False

none of the above

A specialized region analogous to mouth called cytopharynx is present in group

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Polycheate

Ctenophora

Protista

Porifera

The molluscs are most closely related to the

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Annelids

Enhinoderms

Arthropods.

Chordates

All of the following are characteristics of the phylum nematoda except?

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triploblastic, bilateral, vermiform

cuticles are not shed

complete digestive tract with a mouth surrounded by lips bearing sense organs

body wall has only longitudinal