Question # 1

Which of the following can be used as evidence of evolutions?

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Comparative embryology

Comparative anatomy

Genetic Code

All of these

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

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

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Karyogamy

Plasmogamy

Hetrokaryotic

Fragmentation

Seeds of family ---------- bear a tuft of hairs

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Compositeae

Labiateae

Asclepiadaceae

Ranunculaceae

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

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Polonium

Gynoestigium

Corpusculum

Translator

Match with Lamarckism

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Inheritance of acquired characteristics

Long neck of giraffe is evolved gradually as cumulative product of many generations

Body parts used extensively become stronger and larger

All A, B and C

Disc florets have ------------ flowers

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Tubular

Ligulate

Round

None

"In this stage the lichens are just like crumpled leaves attached at one point" about which stage we are talking

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Crustose lichen stage

Foliage lichen stage

Moss stage

Herbaceous stage

The criteria of the classification are the ----------- on which the classification is based.

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Groups

Divisions

Characters

Orders

The present international code of botanical nomenclature consists of ---------- rules.

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Phylogenetic system

Nomenclature type

Specific name

Common names

Genera with common characteristics are grouped into a more inclusive group

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Species

Family

Genus

Sub-species

In fungi asexual reproduction occurs by all these method except which one

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Spores

Conidia

Binary fission

Budding

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 Zygomycota during sexual reproduction, zygota formed directly by the fusion of hyphae forms temporary, dormant, thick walled resistant structure called as

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Ascospores

Zygospores

Asci

Ascocarps

-----------harmone increase tendency of plants to produce a male flower

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Auxins

Gibberllins

Ethylene

Abcissic acid

Males suffering from Jacobs's syndrome have sex chromosomes

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XXX

XO

XXY

XYY

Plants of family asclepiadaceae are used to treat

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Gastric disorders

Skin disorders

Maternal disorders

None of these

Fruits of leguminoceae is

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Legume

Lomentum

Drupe

Both a & b

Aggregates of closely related species

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Infra specific species

Variety

Subspecies

Genus

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

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Parthenocarpy

Elongation

Vernalizaion

Bolting

Adolph Engler classified the whole plant kingdom on the basis of

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Natural

Artificial

Phylogenetic

Modern

Which statement is not true about the family Euphorbiaceae?

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Self and cross

Insect and cross

Self and insect

Self and wind

Cohesion theory of ascent of sap is proposed by

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Zimmernmann

John jolly

Dixon

Both a & b

If an author cited two or more specimens as types, the remaining cited species are

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Lectotype

Syntype

Paratype

Neotype

The botanical name of Ajwain is

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Ocimum sanctum

Ocimumbasilicum

Methe sylvestris

Coleus aromaticus

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

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Hydrolase

Protease

Heptase

Dehydrogenase

The appendages of anthers form a corona

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Tanslator

Cuculli

Staminal

Pollinium

Historical remnants of structures that had important function in ancestors but are no longer essential presently are called

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Analogous organs

Vestigial organs

Fossils

None of these

Pyruscommunis is the botanical name

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Apple

Almond

Apricot

Lokat

A symbiotic association between certain fungi and certain photoautotrophes either green algae or a cyanobacterium or sometimes both is termed as

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Mycorrhizae

Lichens

Endomycorrhizae

Ectomycorrhizae

Refers to the place and scope of the publication

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Effective publication

Homonym

Tetention

Sysnonym

The non-protein part covalently bonded to enzyme is

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APO-enzyme

Coenzymes

Co-factor

None

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

Studying a single population's relationship to its environment will be

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Synecology

Autecology

Ecology

Etealogy

Bentham and Hooker divided plants in 202 orders

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Seeded

non-seeded

Floral

non-floral

Gene pool is the total aggregate of gene a ----------- at any one time.

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Individual

Population

DNA

Chromosome

1. ----------- is the process in which plasma membrane starts pulling away from the cell wall;

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Incipient plasmolysis

Indirect plasmolysis

Critical Phasmolysis

None

The largest genus of family Solanaceae is

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Solanum

Capsicum

Lyceum

Atropa

Those individuals whose inherited characteristic fit them best to their environment are likely to leave more offspring, it is referred as

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Artificial selection

Natural Selection

Survival of the fittest

Both B and C

As a result of the union of anther and pistil this structure is formed

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Polonium

Gynoestigium

Corpusculum

Translator

Cytochrome 'c' found is all aerobic species is a respiratory

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Carbohydrate

Protein

Co-enzyme

Vitamin

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

Members of class phytomastigophoreans are

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Dioecious

Monoeious

Both A and B are correct

None of above

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

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Polycheate

Ctenophora

Protista

Porifera

A distinctive feature of members of the class Polychaeta is

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Parapodia.

Clitellum.

Annuli.

Absence of setae.

Following are the chharacteristics of phylum Annelida except

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Distinct head

parapodia

Hermaphrodite

Thoracic appendages

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

------------ gave rise to the kingdom protista

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Viruses

Archaea

bacteria

None of above

Radiolarians and heliozoans are members of

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Phylum Apicomplexa

Phylum Sarcomastigophora

Phylum Acetospora

Phylum Ciliophora

Phylum Rotifera consist of --------- classes.

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two

three

four

five

The excretory product in protozoa is primarily

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Urea

Ammonia

Uric acid

None of these

The major feature which unify aschelminths is

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nervous system.

muscular system.

excretory system.

pseudocoelom.

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

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True

False

none of the above

Which of the following is true of the radula of most molluscs?

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It is used in reproduction

It is used in excretion

It is used in rasping food

It is used in gas exchange

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

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Intermediate host

Definitive host

None of above

Members of the class Monoplacophora are wormlike molluscs that lack a shell, crystalline style, and foot; they live in vertical burrows on the deep-sea floor.

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True

False

None of Above

Which of the following phyla are not pseudocoelomate?

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Acanthocephala

Rotifera

Polychaeta

Nematoda

Which one is a member of class zoomastigophorea?

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Trichonympha

Trypanosoma

Paramyxa

Giardia

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

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True

False

none of the above

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