Question # 1

One complete heart beat tasts for

Choose an answer

0.2 seconds

2 seconds

0.8 seconds

0.15 seconds

The first action spectrum was obtained by.

Choose an answer

T.W. Engelmann

Van Neil

Melvin Calvia

Ernst Haeckel

What is not true about micro filaments.

Choose an answer

Actin

Amoeboid movement

Cyclosis

Linked with outer surfaced plasma membrane

Most elaborate and efficient respiratory system is present in.

Choose an answer

Man

Fish

Bird

Fing

Enzymes which convert dipeptide into amino acids is named as

Choose an answer

Erypsin

Pepsin

Trypsin

Amino peptidase

The largest invertebrate animal is.

Choose an answer

dog fish

Glant squid

Octopus

Cuttle fish

To accommodate euglena like organisms and bacteria, kingdom Protista was proposed by

Choose an answer

Linnaeus

E Chatton

Robert Whittaker

Ernst Haekel

The predatory oyster mushroom paralyses the following organisms.

Choose an answer

Nematodes

Algae

Bacteria

Snails

In the five kingdom system of classification of Robert Whittacker, the members of kingdom plantae are autotrophic, eukaryotic and

Choose an answer

Multicellular

Motile

Either unicellular or multicellular

Have sexual reproduction

Integration of cellular compartments is a functions of

Choose an answer

Intermediate filament

Micro filament

Micro tubules

Centrioles

Chlorophyll contains

Choose an answer

Sulphur

Nitrogen

Magnesium

Calcium

Branch of biology which deals with the study of abnormal development and their cause is called.

Choose an answer

Embryology

Teratology

Gerontology

Microcephaly

From Hensen's node,dorsal mesoderm is formed and is organized into

Choose an answer

Segments

Fragments

Somitcs

Remains

A gene with multiple phenotypic effect is.

Choose an answer

Polygenic

Bombay type

Pleiotropic

Monogenic

In turner syndrome the affected person have set of chromosomes.

Choose an answer

XO

XXY

XYY

XXO

No of chromosomes in Honey bee are.

Choose an answer

6

20

32

40

Identical twins result from the fertilization of:

Choose an answer

One ovum by the sperm

One ovum by the two sperms

Two ova by two sperms

Two ova by one sperm

Which animal moves by Jet propulsion

Choose an answer

Earth worm

Star fish

Jelly fish

Snail

A general formula called the hard-Weinberg equation is used for calculating the frequencies of alleles and genotypes in populations at

Choose an answer

Equilibrium

Balance

Stability

Poise

Most land mammals respond to cold by raising their.

Choose an answer

skin

Furs

Bristles

Spines

The decline in thickness of the ozone layer is caused by increasing level of

Choose an answer

Chlorofluorocarbon

Nitrogen

Chlorine

Carbon dioxide

The organic portion of bones matrix is important in providing all but:

Choose an answer

Tensile strength

Hardness

To resist stretch

Flexibilty

More Classes

Other Links

Biology Life Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer