True metamerism is found in:
3.Protoplasmic grade is found in:
1.coelenterata
2.protozoa
3.annelida
4.mammalia
Cellular grade is found in:
1.annelids
2.arthropods
3.protozoans
4.sponges
The only invertebrates capable of flight:
1.mammals
2.aves
3.molluscs
4.insects
Organelle of defence in paramecium:
1.nematocyst
2.oocyst
3.trichocyst
4.sporocyst
Medusae are found in the life history of:
1.obelia
2.hydra
3.star fish
4.none of the above
Disesase FILARIASIS is caused by:
1.fasciola
2.wuchereria
3.Taenia
4.ascaris
Light-blue colour of arthropods is due the the presence of:
1.haemoglobin
2.haemocyanin
3.haemopiotin
4.non of the above
Euglena viridis belongs to class:
1.sarcomastigophora
2.annelida
3.arthropoda
4.phytomastigophora
Reserved food in Euglena viridis is in the form of:
1.paramylon
2.glucose
3.glycogen
4.carbohydrate
Food capturing organelle of amoeba:
1.puedopodia
2.lobopodia
3.parapodia
4.non of these
Locomotory organelle of Amoeba proteus:
1.pseudopodia
2.lobopodia
3.parapodia
4.none of these
Reproduction in amoeba is:
1.sexual
2.asexual
3.non of these two
Movement of food vacuole in Paramecium caudatum is:
1.cytokinesis
2.cyclosis
3.endimixis
4.metagenesis
Primary host of Fasciola hepatica(adult fluke):
1.sheep
2.goat
3.cow
4.insect
Respiration in protozoa occurs through:
1.contractile vacuole/general body surface
2.skin
3.lungs
4.heart
Body wall of chordates is:
1.single layered
2.double layered
3.triple layered
4.four layered
One of the following is a chordate characteristic:
1.tubular nerve cord
2.Diploblastic
3.acoelomate
4.none of the above
R.B.C is absent in:
1.protochordates
2.eurochordates
3.non-chordates
4.non of the above
Metanephric is found in:
1.eurochordates
2.annelids
3.arthropods
4.coelenterates
Link between chordates and non-chordates:
1.Balanoglossus
2.tapeworm
3.annelids
4.amphioxus
Excretory organ in balanoglossus(hemichordates):
1.glomerulus
2.flame cells
3.pseudopodia
Excretion in hemichordates is done by:
1.proboscis gland
2.nural gland
3.glomerulus
Hemichordates are:
1.ciliary feeders
2.filter feeders
3.bottom feeders
4.ciliary filter feeders
The following one is also known as-SEA SQUIRT.
1.Balanoglossus
2.herdmania
3.amphioxus
4.scoliodon
Megascleres occur through out the body in Herdmania except in:
1.Heart
2.liver
3.pharynx
4.kidney
In urochordates,respiration occurs through:
1.test and gill slits
2.contractile vacuole
3.general body surface
4.lungs
One of the following is an example of hemichordate:
1.saccoglossus
2.scoliodon
3.Rana tigrina
Endoskeleton in cephalochordates is:
1.absent
2.present
3.lacking
Excretory organ in cephalochordates:
1.protonephridia
2.mesonephridia
3.metanephridia
Size of viruse range between
1.300-3000 ANGSTORM
2.400-5000 ANGSTORM
3.500-5000 ANGSTORM
4.600-6000 ANGSTORM
Head of bacteriophage virus is:
1.icosahedral
2.hexagonal
3.pentagonal
4.quadrilateral
Father of genetics:
1.mendel
2.Linneaus
3.jacob and Monod
4.Watson and Crick
Specimen used by Mendel in his experiment:
1.Pisum sativum
2.Magnifera indica
Mendel's phenotypic ratio:
1.1:2:1
2.1:1
3.2:1
Mendel's dihibrid cross ratio:
1.9:3:3:1
2:9:3:1
3.9:1
Morgan crossed a homozygous long-winged DRODOPHILA with a homozygous vestigial winged DROSOPHILA.As a result long-winged and vestigial winged hybrids were produced in the ratio of
1.1:3
2:3:1
3.1:2:1
4.2:1
The chromosomes which have no relation with the sex and contain the genes which determine the somatic characters of the individuals are known as:
1.autosomes
2.mesosomes
3.myosomes
Triplet codons were first shown by:
1.F.H.C. Crick
2.Jacob and Monod
3.Beadle and Tatum
4.Hershey and Chase
How many kinds of nitrogenous bases are found in DNA?
1)1
2)2
3)3
4)4
In genetic code,64 triplet codons codes for a minimum of
1.10 amino acids
2.20 amino acids
3.30 amino acids
4.40 amino acids
Any substance capable of eliciting an immune response:
1.antibody
2.antigen
3.antibiotic
4.antigenesis
The following is an example of living fossil:
1.archeopteryx
2.dinosaurs
3.wolly mammoth of siberia
Father of modern palentology:
1.Mendel
2.Cuvier
3.Darwin
4.Flemming
Organs having common origin and are built upon same fundamental plan:
1.vestigial
2.homologus
3
Who coined the term ECOLOGY.
1.Ernst Heackel
2.George cuvier
3.G.J.Mendel
In a food chain,the percentage of energy lost to the environment is:
1.99%
2.98%
3.97%
4.96%
Two types of vectors produced by E.coli:
1.pBR322,pBR327
2.pBR325,pBR330
3.pBR400,pBR500
For cloning of DNA at specific sites,which are recognized and cleaved by specific enzymes are called
1.restriction sites
2.restriction endonucleases
3.restriction exonucleases
Substances having one or more hydroxy and one ketone group are called
1.proteins
2.carbohydrates
3.minerals
3.amino acids
Plants have more quntity if carbohydrates than animals
1.TRUE
2.FALSE
3.NON OF THE ABOVE
Study related to defense mechanisms of parasites:
1.Immunology
2.cytology
3.cardiology
First experiment in immunization is performed by:
1.Louis Pasteur
2.C.V.Raman
3.George Cuvier
Life span of a W.B.C is:
1.1 day
2.2 days
3.3 days
4.4 days
Another name of VOICE BOX.
1.PHARYNX
2.LARYNX
The only food stuff used in crystalline form:
1.glucose
2.fructose
3.sucrose
4.maltose
The enzyme found in the digestive tract of mammals:
1.alpha-anhydrase
2.alpha-amylase
3.alpha-isomerase
Glycolysis is a ten step multiple process reaction in which glucose is being converted into:
1glycogen
2.protein
3.carbohydrate
4.pyruvate
According to Michaelis and Menten hypothesis,only a single substance and single product is involved.
1.True
2.False
3.Can't say
Glycolysis takes part in the extramitochondrial part of a cell.
1.True
2.False
3.can't say