Archaeopteryx is connecting link between
1.Reptiles and birds
2.Reptiles and mammals
3.Fishes and reptiles
4.None of the above
A group of plants or animals with similar traits of any rank is
1.Order
2.Genus
3.Taxon
4.Species
A marine dinosaur is
1.Ichthyosaur
2.pelycosaur
3.Pterosaur
4.Tyrannosaurus
Arms are absent in
1.Sea uricin
2.Sea cucumber
3.Human
4.Both A and B
Assertion(a): The “biological species” concept help us to ask how species are formed. Reason (r) : The concept of biological species focuses our attention on the question of how reproductive isolatio
1.both (a) and (r) are correct but r does not explains a
2.both (a) and (r) are correct and (r) is true explanation of a
3.Both (a) and (r) are not true
4.Only (a) is true, (r) is not correct
Bacteria involved in two-step conversion of ammonia into nitrate are
1.Azotobacter and Achromobacter
2.Pseudomonas and Nitrobacter
3.Nitrosomnas and Nitrobacter
4.Azotobacter and Nitrosomonas
Body cavity of Hydra is called
1.Gastrovascular cavity
2.Coelenteron
3.Enterocoel
4.Both A and B
Boring Sponge is
1. Hyalonema
2.Cliona
3.Chalina
4.Spongilla
Calotes versicolor is
1.Wall lizard
2.Flying lizard
3.Rock lizard
4.Garden lizard
Cells regulate their activity through
1.Flow of energy
2.Flow of material
3.Flow of information
4.Flow of smoke
Engler and Prantl published a phylogenetic system in the monograph
1.Genera Plantarum
2. Die Naturlichen Pflazenfamilien
3.Species Plantarum
4.Origin of species
Female Ascaris is differentiable from male in
1. Presence of cloaca
2.Shorter size
3.Straight posterior end
4.Presence of penial setae
Filaria is spread by
1.Bed bug
2.Mosquito
3.House fly
4.Flea
Fungal cell wall is formed of
1.Pectin
2.Hemicellulose
3.Chitin and cellulose
4.Chitin
Give the correct matching of causative agent/germ and disease
1.Anopheles – Malaria
2.Leishmania –Sleeping sickness
3.Glossina – Kala-azar
4.Wuchereria – Filariasis
Hans Ris coined the term genophore for
1.Stalk supporting spores
2.Bacterial chromosome
3.Genetic material of fungus
4.Genetic material of virus
Heterocysts, specialized for nitrogen fixation, occur in certain
1. Red algae( batrachospermum )
2.Green algae
3.Blue green algae
4.Brown algae
Identify from the following the only category that has a real existence
1.Phylum
2.Kingdom
3.Species
4.Genus
In a sponge, digestion takes place in
1. Paragastric cavity/Spongocoel
2.Osculum
3.Ostium
4.Food vacuoles
In fish Catla catla, the specific name is identical with the generic name. It is an example of
1.Autonym
2.Tautonym
3.Species
4.Phylum
In Sycon the larva is
1.Trochophore
2.Redia
3.Amphiblastula
4.Parenchymula
In which of the following groups all animals are triploblastic
1. Annelida, Mollusca, Porifera
2.Arthropoda, Cnidaria, Annelida.
3.Mollusca, Echinodermata, Annelida.
4.Mollusca, Ctenophora, Arthropoda.
Intermediate between diploblastic and triploblastic body structure is found in
1.Porifers
2.Coelenterates
3.Ctenphores
4.Platyhelmintes
Lagoon is
1.Full moon
2.Sea breaking into land and separated by sand dunes
3.Spot in desert with presence of water
4.Horse-shoe shaped coral reef
Linnaeus evolved a system of nomenclature called
1.Monomial
2.Vernacular
3.Binomial
4.Polynomial
Linnaeus is credited with
1.Binomial nomenclature
2.Discovery of microscope
3.Theory of biogenesis
4.Discovery of blood circulation
Long hollow bones connected by passages are characteristic of
1.Mammales
2.Aves
3.Reptiles
4.All of the above
Maintenance of internal favorable conditions despite changes in external environment is
1.Entropy
2.Enthalpy
3.Steady state
4.None of the above
Metabolism is
1.Gain of energy
2.Release of energy
3.Release or gain of energy
4.Catabolism of a reaction
Nitrogen fixing organism which can be free as well as symbiotic is
1.Anabaena
2.Azotobacter
3.Liverworts
4.Mosses
Pesticide used in preparation of herbarium
1.2, 4-D
2.NAA
3.Mercuric chloride
4.Carbon di sulphide
Phylum Arthropoda is the largest phylum in the animal kingdom. Which is the second largest phylum
1.Mollusca
2.Annelida
3.Hemichordata
4.Echinodermata
Plague is caused by
1. Pasteurella pestis
2. Varicella virus
3. Pseudomonas
4.Xanthomonas
Prokaryotic flagellum consists of
1.Fiber enclosed by protein membrane
2.Fiber enclosed by unit membrane
3.Helically arranged protein molecules
4.Membrane enclosed 9+2 microtubular
Pseudo metamerism occur in
1.Turbellaria
2.Trematoda
3.Cestoda
4.All of the above
Read the following statements A-D and identify certain mistakes in two of them. (i) Hemichordates are marine worm like animals with open circulation and pharyngeal gill slits. (ii) Aschelminthes are
1.(i) and (iii)
2.(i) and (ii)
3.(ii) and (iii)
4.(iii) and (iv)
Species of Saccharum originally grown in India was
1.S. officinarum
2.S. barberi
3.S. boulardii
4.S. munja
Sponges reproduce asexually by
1.Multiple fission
2.Binnary fission
3.Fragmentation
4.Sporulation
Stage between two larval moults is
1.Instar
2.Pupa
3.Morula
4.Larva
Thanatology is the science that deals with
1.Detection of lie
2.Identification of living
3.Solving paternity of child
4.Death in all its aspects
The term phylum was given by
1.Cuvier
2.Haeckel
3.Theophrastus
4.Linnaeus
The young of some insects resemble the adult in general structure but lack the wings and lack the wings and mature reproductive organs. Such a young one is called
1.Nymph
2.Grub
3.Caterpillar
4.Maggot
Which is the correct sequence of taxonomic categories
1. genus → Species → order → kingdom
2.Species → order → phylum → kingdom
3. Species → genus → order → phylum
4.None of the above
Which occurs in amoebiasis
1.Stool with mucus
2.Mild diarrhea with alternate constipation
3.Stool with blood
4.All of the above
Which of the following combinations is correct for Wheat?
1.Genus Triticum, family Poaceae , order Poales, Class Dicotyledonae
2.Genus Triticum, family Poaceae , order Sapindales, class Monocotyledonae.
3.Genus Triticum, family Poaceae , order Poales, Class Moncotyledonae.
4.Genus Triticum , family Anacardiaceae, order Poales, class Monocotyledonae
Which of the following is false regarding sponges
1.Development is indirect having a larval stage which is morphologically dist
2.Fertilization is external.
3.They are generally unsymmetrical and marine.
4.Digestion is intracellular.
Which of the following is less general in characters as compared to genus
1.Species
2.Class
3.Family
4.Division
Which of the following is not an annelidian character
1.Tripploblastic body
2.Enterocoel
3.Metamerism
4.Bilateral symmetry
Which of the following phyla is correctly matched with its two general characters
1.Mollusca – Oviparous and indirect development
2.Arthropoda – Chitinous exoskeleton and closed type of circulatory system.
3.Cnidaria – Triploblasty, radial symmetry and gastrovascular cavity.
4.Echinodermata – Water vascular system and internal fertilization.
Zoospore of Albugo possesses flagella
1.Two similar and apical
2.Four similar and medium
3.Four apical
4.Two dissimilar and median