Question # 1

In Aerobic respiration, the waste product in plants is produced in the form of

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Uric acid

CO₂

Walter

Ammonia

Both b & c

The disease in which leaves may appear twisted and finally die is

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Bronzing

Whiptail disease

Whiplash disease

None

Bark of Quillajasaponariais used in perparing

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Fiber

Dye

Paper

Shampoos

He is regarded as the father of modern taxonomy

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Robert Thorne

Armen Takhtajan

Linneous

Arthur Conquist

The body of fungus is called as

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Mycelium

Hyphae

Septate hyphae

Coenocytic

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

Second largest family of glowering plants

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Leguminoceae

Labiaceae

Cucurbitaceae

Solanaceae

It includes the plants in which perianth is absent or reduced

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Apocarpae

Nudiflorae

Heteromarae

Glumacae

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

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One seeded

Two seeded

Three seeded

Four seeded

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

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 botanical name of plum is

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Prunuspersica

Pyruscommunis

Prunusdomestica

Rosa Alba

--------- is produced when phosphoenolpyruvic acid combines with CO₂

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Oxalic acid

Citric Acid

Abcissic acid

Oxalomalic acid

Seeds of members of family pharmacies are

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Endospermic

Exalbuminous

Both a and b

None of these

While studying the components of an ecosystem what is the biotic component in all these examples?

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Gravity

Topography

Consumers

Temperature

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

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

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Karyogamy

Plasmogamy

Hetrokaryotic

Fragmentation

Stephen Endlicher classified plants into two major groups

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Thalophytes and pteridophytes

Thalophytes and carmophytes

Bryophytes and pteridophytes

Angiosperms and ghmnosperms

Euphorbia Milli is a

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Tree

Herb

Ornamental shrub

Ornamental herb

Wilhelm Eichler divided plants into two groups

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Bryophytes and pteriidophytes

Gymnosperms and angiosperms

Thalophytes and carmophytes

Cryptogamy and Phanerogamy

The species which is at the threat of danger of extinction is called

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Endangered species

Extinct species

Threatened species

All of these

Nullo gamete is

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With one sex chromosome

With one sex chromosome present

With no sex chromosome

Without any chromosome

The principle stage of nitrogen cycle include all of the following except

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Ammonification

Nitrification

Assimilation

Nitrogen depletion

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

Cucumissativusis the botanical name of

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Bitter gourd

Vegetable marrow

Cucumber

Watermelon

The system of classification that reflects the evolution

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Modern

Phylogenetic

Polygenic

Natural

Raphanussativusis the botanical name of

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Radish

Cabbage

Wall fruit

Wall cress

Plants of family asclepiadaceae are used to treat

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Gastric disorders

Skin disorders

Maternal disorders

None of these

The majority of plants of this family provides edible fruits

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Rosaceae

Labiaceae

Ranunculaceae

Malvaceae

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

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Groups

Divisions

Characters

Orders

If two substances move in different directions, through the membrane, the contransport is called;

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Antiplast

Heteroplast

Apoplast

None

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

The appendages of anthers form a corona

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Tanslator

Cuculli

Staminal

Pollinium

Following statement is in accordance to Darwinisw

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Natural Selection

Over Production

Survival of fittest

All of these

Phanerogamy includes

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Bryophytes and pteriodphytes

Thalophytes and carmophytes

Angiosperms and gymnosperms

Thalophytes and pteridophytes

A succulent berry with hard rind is commonly known as

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Drupe

Pome

Pepo

None

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

Which statement is not true about the family Euphorbiaceae

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They are found in arctic regions

They are mainly herbs and shrubs

They are a source of timber

Their seed is endospermic

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

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Auxins

Gibberllins

Ethylene

Abcissic acid

Fruit of Ranunculaceae is

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Etaerio of achenes

Capsule

Etaerio of follicles

All of these

Members of malvaceae are

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Tropical

Sub-tropical

Temperate

Cosmopolitan

The absence of a shell in the aplacophora is a primitive character in the phylum Mollusca

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True

False

None of Above

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

Process during which aschelminths shed their cuticle is called

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moltin (g)

ecdysis

eutely.

both a and b are correct.

Arenicola is an example of class

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Oligocheata

Polycheata

Hirudinea

None of above

Intermediate host for fish tape worm is

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Pig

Copepod

Snail

Humans

Cephalopods rely on olfactory senses for detecting prey

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True

False

None of above

Most polychaetes are

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Monoecious.

Dioecious.

Protandric.

Asexual.

The operculum aids in both respiration and reproduction in gastropods

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True

False

None of Above

Labial palps of bivalves sort filtered food particles delivered by cilia lining the ventral margin of the gills.

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True

False

None of Above

Which one of the following do not lie in phylum Cnidaria?

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obelia

aurelia

Actinia

Taenia

The majority of rotifers inhabit freshwaters

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True

False

none of the above

A ------------- is a mucoid mass that extends to the stomach of gastropods. It contains trapped food particles and is rotated by cilia

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Protostyle

Umbo

Crystalline style

Gastric shield

The scientist who describe a system of classification that distinguished between kingdoms according to cellular organization and mode of nutrition was

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R. M. Kristensen

Carolus Linnaeus

Rebert II. Whittaker

None of above

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

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Polycheate

Ctenophora

Protista

Porifera

Members of the class Polyplacophora include the chitons, which are found on hard substrates in marine habitats.

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True

False

None of above

Which one is a member of class zoomastigophorea?

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Trichonympha

Trypanosoma

Paramyxa

Giardia

Radiolarians and heliozoans are members of

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Phylum Apicomplexa

Phylum Sarcomastigophora

Phylum Acetospora

Phylum Ciliophora

Except ---------------- all are the members of class Lobosea

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Arcella

Ameoba proteus

polystomella

Difflugia

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

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Viruses

Archaea

bacteria

None of above

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

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True

False

none of the above

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

Nematodes live in both aquatic and terrestrial environments

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True

False

none of the 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

Presence of metameric segmentation

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Lumbricus

Daphnia

Arenicola

Both A and C are correct

Which of the following is not an external feature of a rotifer?

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cilia

corona

germovitellarium

foot

Tsetse files are ------------- host for Trypanosoma brucei, causing sleeping sickness to humans

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Intermediate

Primary host

Definitive host

Both A and C are correct

Primary host for Fasciola hepatica is

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Snail

Sheep

Cattle

Both A and B are correct

The mantle of most mollusks

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is modified for locomotion

is used in attracting prey

secretes the shell

supports the radula

Where would you look for a kinorhynch?

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a marine environment

a freshwater environment

on land that is relatively moist

on land that is relatively dry

A ----------- is a developmental stage of a freshwater bivalve that is parasitic on fishes

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veliger

Kinorhynchs.

Acanthocephalans.

Nemerteans.

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

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

------------ depict a sequence in the origion of derived characters

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Cladogram

Monogram

Phylogenetic tree

None of above

Of the following, which is the most recently described pseudocoelomate animal phylum?

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Pariapulida

Acanthocephala

Loricifera

Nematomorpha

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

The annelid class whose members are mostly marine is

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Hirudinea.

Oligochaeta.

Polychaeta.

Clitellata.

Which one of the following do not lie in phylum ciliophora?

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Paramyxa

Vorticella

Paramecium

Balantidium

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

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Microspora

Acetoospora

Apicomplexa

Myxozoa

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

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

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True

False

none of the above

Most triploblastic animals have an

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tissue system level of organization

colonial level of organization

organ system level of organization

both A and B are correct