Question # 1

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

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Oxalic acid

Citric Acid

Abcissic acid

Oxalomalic acid

Locus is

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Segment of chromosome

Position of a gene on the chromosome

Genes present on one chromatid

Collection of genes at specific part of chromosome

What is the contrasting feature on the basis of which fungi are considered different from animals?

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Lack cellulose in their cell wall

Heterotrophs

Contains chitin

Non-motile

Cucumissativusis the botanical name of

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Bitter gourd

Vegetable marrow

Cucumber

Watermelon

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

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

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Lecto type

Neotype

Isotype

Paratype

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

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Kelvin cycle

Photo-reaction

Hill's reaction

All

An ordered array composed of a series of inclusive levels

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Taxon

Systematics

Hierarchy

Monopoly

Vegetative parts of --------- are easier to observe than reproductive parts

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Angiosperms

Gymnosperms

Bryophytes

Pteridophytes

It is one of the two or more specimen cited by an author of the species when no holotype was designated

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Isotype

Lctotype

Syntype

Paratype

The genus name and the specific epithet together

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Scientific name

Nomenclature

Binomial

Specific name

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

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Spores

Conidia

Binary fission

Budding

Certain hornlike projections are given out from the back of anthers

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Translator

Cuculli

Gynoestigium

Pollinium

Seeds of members of family pharmacies are

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Endospermic

Exalbuminous

Both a and b

None of these

When a single gene effects two or more traits the phenomenon is called

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Epistasis

Bombay phenotype

Gene linkage

Pleiotropic

Plants of asclepiadaceae are mostly

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Herbs

Shrubs

Trees

All the them

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

Following statement is in accordance to Darwinisw

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Natural Selection

Over Production

Survival of fittest

All of these

The oxidative change of water in photo-chemical excitation occurs in a process

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Photo-reaction

Phosphorylation

Photo-oxidation

None

The majority of plants of this family provides edible fruits

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Rosaceae

Labiaceae

Ranunculaceae

Malvaceae

Calyx sometimes modified into a large number of hairs like structures

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Pepo

Pappus

Ray floret

Neuter

Thin layer of earth in which all living organism exist is known as

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Habitat

Niche

Biosphere

Ecological niche

--------------- are the plants that flower only once and then die

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Monocarpic

Dicarpic

Apocarpic

holocarpic

The botanical name of plum is

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Prunuspersica

Pyruscommunis

Prunusdomestica

Rosa Alba

--------- is the process of ATP production in chloroplast is

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Photophosphorylation

Dark reaction

Calvin cycle

All

Plants of Euphorbiaceae contain the vitamin

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A

B

C

D

If sex chromosomes are more than two in an individual, these are called as

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Multiple sex chromosomes

Compound sex chromosomes

Autosome + sex chromosomes

Pseudo autosome

Many fungi are the sources of drugs, which drug is used to lower the blood cholesterol level

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Griseofulvin

Cyclosporine

Lovastatin

Ergotin

Green color blindness is called

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Parotanopia

Denteranopia

Tritanopia

Non of these

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

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Taxonomic differences

Ecological differences

Physiological

Anatomical difference

Refers to the place and scope of the publication

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Effective publication

Homonym

Tetention

Sysnonym

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

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Hydrolase

Protease

Heptase

Dehydrogenase

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

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Parthenocarpy

Elongation

Vernalizaion

Bolting

It includes the plants in which perianth is absent or reduced

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Apocarpae

Nudiflorae

Heteromarae

Glumacae

Latex produced by Cryptostegia grandiflora is a source of

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Fodder

Rubber

Fiber

Stuffing material

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

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Polonium

Gynoestigium

Corpusculum

Translator

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

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Auxins

Gibberllins

Ethylene

Abcissic acid

Which of the following describes the process of natural selection?

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Change from simple to more complex organisms

Differential reproductive success between genotypes

Increase in size of population

Occurrence of new mutations

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

Botanical name of tomato

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Solanumtuberosum

Lycopersicumesculentum

Petunia Alba

Solanumnigrum

The other name of glycolysis is

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Calvin cycle

EMP pathway

Light reaction

None

--------------- are the characters that have arisen since common ancestory with the group

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Homologous characters

Derived characters

Synapomorphies

Both B and C

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

As protozoa are small, they have --------- surface area in proportion to their volume

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less

Large

Both A and B

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

The diversity of body forms and lifestyles present in the phylum Mollusca is an excellent example of adaptive radiation

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True

False

None of Above

Animals of phylum cnidaria are

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Diploblastic

Triploblastic

None of 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

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

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True

False

none of the above

Nematodes live in both aquatic and terrestrial environments

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True

False

none of the above

Polymorphism is characteristic of phylum

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phylum Nematoda

phylum Annelida

phylum Cnidaria

None of above

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

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two

three

four

five

Ctenophorans and Anthozoans lie in

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Bilateral symmetry

Radial Symmetry

Asymmetry

Pentaradial symmetry

The excretory product in protozoa is primarily

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Urea

Ammonia

Uric acid

None of these

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

Earthworms belong to the annelid subclass

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Hirudinea.

Chaetognatha.

Polychaeta.

Oligochaeta.

Members of the gastropod subclass Pulmonata are predominantly freshwater or terrestrial. Their mantle is modified into a lung, which opens to the outside of the mantle cavity through a/an

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Siphon.

Pneumostome.

Umbo.

Operculum

The ------------- is a site of amino acid metabolism in an earthworm and is analogous to the vertebrate liver.

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Typhlosole

Seminal vesicle

Nephridium

Chloragogen tissue

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

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Pariapulida

Acanthocephala

Loricifera

Nematomorpha