Ques. The term “phylum” in animal classification was coined by
(a) E. Haeckel
(b) John Ray
(c) G.L. Cuvier
(d) Carolus Linnaeus
Ques. Species is
(a) Specific unit of evolution
(b) Specific unit in the evolutionary history of a race
(c) Specific class of evolution
(d) Not related to evolution
Ques. Which kingdom incorporates photoautotrophs, chemoautotrophs and heterotrophs
(a) Monera
(b) Protista
(c) Plantae
(d) Both (b) and (c)
Ques. Binomial nomenclature is
(a) Two words in name of a species
(b) Two names local and specific
(c) Two names of a species
(d) Two phases, asexual and sexual, in the life cycle of a species
Ques. The term species was coined by
(a) Aristotle
(b) Engler
(c) John Ray
(d) Linnaeus
Related: Chemical Equilibrium (Chemistry) Sample Paper
Ques. Modern system of classification classified organisms in ……. Kingdom
(a) One
(b) Two
(c) Four
(d) Five
Ques. Bacteria were first discovered by
(a) Robert Koch
(b) L. Pasteur
(c) Robert Hooke
(d) A.V. Leeuwenhoek
Ques. Bacterial ribosomes are present
(a) In cytoplasm
(b) On endoplasmic reticulum
(c) On nuclear membrane
(d) On cell wall
Ques. Branched chain lipids occur in the cell membranes of
(a) Archaebacteria
(b) Mycoplasma
(c) Actinomycetes
(d) Streptomyces
Ques. In E. coli when the flagella rotates in a clockwise and anticlockwise direction, the movements are
(a) Jumping and hooping
(b) Running and tumbling
(c) Tumbling and hooping
(d) Hooping and running
Related: Ray Optics (Physics) Sample Paper
Ques. Fimbriae are
(a) Organs of adhesion
(b) Antigenic
(c) Organs which form conjugation tube through which genetic material is transferred from donor to recipient cell
(d) All the above
Ques. Single filament of Nostoc without mucilage sheath is known as
(a) Hyphae
(b) Colony
(c) Trichome
(d) Mycilium
Ques. Which were the organisms who changed earth’s surface from reducing to the oxidizing
(a) Autotrophs
(b) Heterotrophs
(c) Photoautotrophs
(d) Chemotrophs
Ques. Cyanophyceae has got
(a) Definite nucleus and plastid
(b) No definite nucleus but plastid
(c) Neither definite nucleus nor plastid
(d) Definite nucleus but no plastid
Ques. Sexual reproduction is absent in
(a) Cyanobacteria
(b) Bacteria
(c) Eukaryote
(d) All of the above
Related: bone tissue quiz
Ques. Which is not a cyanobacterium
(a) Lyngbya
(b) Plectonema
(c) Anabaena
(d) Sinorhizobium
Ques. Which of the following statements is right
(a) Fronds are found in bryophytes
(b) Multiciliate sperms are found in angiosperms
(c) Diatoms produce basidiospores
(d) Heterocysts are found in Nostoc
Ques. In Whittaker’s five kingdom classification, unicellular eukaryotes primarily aquatic and having various cell organelles constitute
(a) Monera
(b) Protista
(c) Animalia
(d) Plantae
Ques. Which of the following unicellular organism has a macronucleus for trophic function and one or more micronuclei for reproduction
(a) Euglena
(b) Amoeba
(c) Paramecium
(d) Trypanosoma
Ques. According to their modes of nutrition, the fungi are classified into
(a) One category
(b) Three categories
(c) Four categories
(d) Six categories
Related: Redox Reactions (Chemistry) Sample Papers
Ques. ‘Torula condition’ occurs in
(a) Rhizopus
(b) Ulothrix
(c) Spirogyra
(d) Riccia
Ques. Yeast is
(a) Purely aerobic
(b) Anaerobic
(c) Rarely anaerobic
(d) Both aerobic and anaerobic
Ques. VAM represents
(a) Saprophytic fungi
(b) Symbiotic fungi
(c) Saprophytic bacteria
(d) Symbiotic bacteria
Ques. Agar–Agar is obtained from
(a) Gigartina
(b) Gelidium
(c) Gracillaria
(d) All the above
Ques. Which one of the following statements concerning the algae is wrong
(a) Most algae are photosynthetic
(b) Algae can be classified according to their pigments
(c) All algae are filamentous
(d) Spirogyra does not produce zoospores
Related: boolean algebra questions and answers
Ques. All cells of sex organs are formed gametes in
(a) Algae
(b) Bryophyta
(c) Pteridophyta
(d) Gymnosperm
Ques. Red rust of tea is caused by
(a) Cephaleuros
(b) Synchytrium
(c) Mucor
(d) Fusarium
Ques. Meiotic division in zygote takes place in
(a) Thallophyta
(b) Angiosperms
(c) Gymnosperms
(d) Pteridophyta
Ques. Which of the following is a flagellated alga
(a) Chlamydomonas
(b) Ulothrix
(c) Spirogyra
(d) Acetabularia
Ques. Sexual reproduction in which cells of two different Spirogyra filaments conjugate is known as
(a) Lateral conjugation
(b) Scalariform conjugation
(c) Parthenocarpy
(d) Azygospory
Related: digestive system questions
Ques. When three Spirogyra filaments are participating in conjugation, the possibilities are that
(a) The middle one may be female and outer ones are male
(b) The middle one may be male and outer ones are female
(c) Both (a) and (b)
(d) None of the above
Ques. Spirogyra differs from Mucor in having
(a) Uninucleate gametangia
(b) Multicellular gametes
(c) Anisogamete
(d) Sexual reproduction
Ques. In Ulothrix, the cell contains
(a) A chloroplast with many pyrenoids
(b) A chloroplast with a few pyrenoids
(c) A few chloroplasts with a few pyrenoids
(d) Many chloroplasts with a few pyrenoids
Ques. Spirogyra increases its body length by the division of
(a) The apical cell
(b) The basal cell
(c) Every cell of the body
(d) Accumulation of food in his body
Ques. Gametophytic generation is dominant in
(a) Pteridophyta
(b) Bryophyta
(c) Angiosperms
(d) Gymnosperms
Related: Thermodynamics physics questions
Ques. Leafy gametophyte is formed from protonema in
(a) Marchantia
(b) Riccia
(c) Funaria
(d) Anthoceros
Ques. In archegonium of moss (Funaria) plant, the number of neck canal cells is
(a) 2
(b) 3
(c) 5
(d) 6 to 18
Ques. Female sex organ in Funaria is called
(a) Paraphysis
(b) Oospores
(c) Archegonium
(d) Artheridium
Ques. Which of the following stage of Funaria is haploid
(a) Gametophyte
(b) Sporophyte
(c) Both (a) and (b)
(d) None of these
Ques. Riccia gametophyte develops from spore and ends in
(a) Thallus
(b) Capsule
(c) Zygote
(d) Spore
Related: quiz on mitosis
Ques. An archegonium of Riccia has
(a) 4 neck canal cells, 1 venter canal cell and one oosphere
(b) 4 neck canal cells, 2 venter canal cells one oosphere
(c) 4 neck canal cells, one venter canal cell and two oospheres
(d) 6 neck canal cells, 2 venter canal cells and one oosphere
Ques. Heterospory is production of
(a) Sexual and asexual spores
(b) Large and small spores
(c) Haploid and diploid spores
(d) Diploid and tetraploid spores
Ques. Fern’s prothallus normally is
(a) Haploid
(b) Diploid
(c) Triploid
(d) Tetraploid
Ques. Meristeles are found in
(a) Cycas stem
(b) Pinus needle
(c) Fern leaf
(d) Fern rhizome
Ques. The number of spores in the sporangium of fern is
(a) 16
(b) 32
(c) 64
(d) 128
Related: Hybridization quiz
Ques. The gametophyte of fern bears
(a) True roots
(b) Antheridia
(c) Archegonia
(d) Both (b) and (c)
Ques. Protonema stage is found in
(a) Ferns
(b) Mosses
(c) Liverworts
(d) Fungi
Ques. Pteridium possess
(a) Polycyclic dictyostele
(b) Actinostele
(c) Siphonostele
(d) Amphiphloic siphonostele
Ques. Brown hair found at the base of Pteris leaves are
(a) Modified stipules
(b) Modified leaflets
(c) Ramenta
(d) Spines
Ques. Selaginella has the character of evolutionary importance. That character is
(a) Ligule
(b) Seed
(c) Heterospory
(d) Strobilus
Related: questions on permutations
Ques. The number of male prothellial cells in Selaginella are
(a) One
(b) Two
(c) Four
(d) Nil
Ques. Heteromorphic alternation of generations is found in
(a) Spirogyra
(b) Mucor
(c) Selaginella
(d) Pinus
Ques. Red wood tree is
(a) Cedrus
(b) Pinus
(c) Dalbergia
(d) Sequoia
Ques. In gymnosperms, pollen drop is the
(a) Red drop
(b) Pollens droped by wind
(c) Secretion of nucellus
(d) Water drops
Ques. In Pinus seeds there are
(a) Two cotyledons
(b) One cotyledon
(c) Fleshy cotyledons
(d) Many cotyledons
Related: cells structure and function questions worksheet
Ques. The edible part of seed of Pinus is
(a) Epispore
(b) Endosperm
(c) Perisperm
(d) Pericarp
Ques. The winged pollen grain of Pinus sp. are produced in
(a) Pollen chamber
(b) Anther
(c) Tapetum
(d) Microsporangium
Ques. A microsporophyll in Pinus has
(a) One microsporangium on the adaxial side
(b) One microsporangium on the abaxial side
(c) Two microsporangia on the abaxial side
(d) Two microsporangia on the adaxial side
Ques. The stem of female Cycas plant is a
(a) Monopodium
(b) Sympodium
(c) Rhizomatous
(d) Dichotomous
Ques. Cycas is
(a) Hermaphrodite
(b) Dioecious
(c) Monoecious
(d) None of these
Related: quiz questions Physics
Ques. Vegetative reproduction in Cycas occurs by
(a) Scale leaves
(b) Sporophylls
(c) Bulbils
(d) Fragmentation
Ques. The secondary growth in stem of Cycas is brought about by
(a) Persistant cambium
(b) Short lived cambium
(c) Number of cambia produced in succession
(d) Isolated strips of cambium
Ques. Early embryogeny in Cycas is characterized by
(a) Absence of suspensor cell
(b) Presence of expanded free nuclear division
(c) Reduced free nuclear division
(d) Many cotyledons
Ques. Which of the following is considered as more evolved
(a) Dicot plant
(b) Monocot plant
(c) Data are incomplete
(d) Both (a) and (b)
Ques. True coelom is covered by
(a) Mesoderm
(b) Ectoderm and endoderm
(c) Ectoderm
(d) Endoderm
Related: the nervous system quiz
Ques. Speciation is caused by
(a) Ecological isolation
(b) Geographical isolation
(c) Reproductive isolation
(d) Isolation
Ques. “Venus flower basket” is the name of the dried skeleton of
(a) Euspongia
(b) Euplectella
(c) Spongilla
(d) Leucosolenia
Ques. Which of the following is boring sponge
(a) Cliona
(b) Chalina
(c) Euplectella
(d) Ingested and thrown away by ostia
Ques. Glass Rope sponge is
(a) Hyalonema
(b) Euplectella
(c) Scypha
(d) Spongilla
Ques. Which of the following do not have polyp form
(a) Hydrozoa
(b) Scyphozoa
(c) Anthozoa
(d) All the above
Related: alkane quiz
Ques. In which phylum nerve cells are found but nerves are absent
(a) Porifera
(b) Coelenterata
(c) Platyhelminthes
(d) Nemathelminthes
Ques. Gastrodermis of Hydra takes part in digestion of
(a) Carbohydrates and fats
(b) Proteins and fats
(c) Proteins, fats and some carbohydrates
(d) Proteins and carbohydrates
Ques. Nematocysts are activated by
(a) Water
(b) Touch
(c) Brain
(d) None of the above
Ques. Germ cells of Hydra are derived from
(a) Ectoderm
(b) Endoderm
(c) Mesoderm
(d) Mesogloea
Ques. Ctenophores have similarities with members
(a) Porifera
(b) Coelenterata
(c) Arthropoda
(d) Annelida
Ques. Ctenophores have similarities with members
(a) Porifera
(b) Coelenterata
(c) Arthropoda
(d) Annelida
Related: mental health trivia questions
Ques. Pseudocoelom is not found in
(a) Ascaris
(b) Ancylostoma
(c) Fasciola
(d) None of the
Ques. Transfer of Taenia to secondary host occurs as
(a) Onchosphere
(b) Cysticercus
(c) Morula
(d) Egg
Ques. Both alternation of generations and alternation of hosts are present in
(a) Wuchereria
(b) Fasciola
(c) Taenia
(d) Ascarils
Ques. Cercaria stage of Fasciola hepatica leads to
(a) Sporocyst
(b) Redia
(c) Miracidium
(d) Metacercaria
Ques. Among the following is a freeliving flatworm
(a) Taenia
(b) Fasciola
(c) Schistosoma
(d) Planaria
Ques. Excretory pores present in Ascaris are
(a) One
(b) Two
(c) One pair
(d) Two pairs
Ques. Animal group with pseudocoelom is
(a) Echinoderms
(b) Molluscs
(c) Aschelminthes/Nematodes
(d) Annelids
Related: Surface chemistry mcq
Ques. Which one of the following phylum is characterized by the absence of a true coelom
(a) Echinodermata
(b) Mollusca
(c) Annelida
(d) Nematoda
Ques. Annelids are
(a) Radially symmetrical
(b) Externally segmented
(c) Triploblastic
(d) Pseudocoelomate
Ques. Hearts of Pheretima are situated in the segments
(a) 10, 13, 16 and 17
(b) 7, 9, 12 and 13
(c) 4, 5, 10 and 13
(d) 11, 14, 17 and 18
Ques. In Pheretima oxygen carrying haemoglobin occurs in
(a) Corpuscles
(b) Plasma
(c) Both corpusscles and plasma
(d) The statement is wrong
Ques. Which one assists in locomotion
(a) Trichocysts in Paramecium
(b) Pedicellariae of Star Fish
(c) Clitellum in Pheretima
(d) Posterior sucker in Hirudinaria
Ques. Nephrostome occurs in
(a) Septal nephridia
(b) Integumentary nephridia
(c) Pharyngeal and septal nephridia
(d) Pharyngeal and integumentary nephridia
Ques. Blood vessel in Pheretima having valves is
(a) Dorsal
(b) Ventral
(c) Lateral
(d) Integumentary
Related: Biomolecules test questions
Ques. Phaosome in Earthworm is
(a) Lens
(b) Pigment
(c) Nephridium
(d) Hormone
Ques. In earthworm, paired spermatheca are found in
(a) 4th to 7th segments
(b) 5th to 8th segments
(c) 6th to 9th segments
(d) 7th to 10th segments
Ques. Crayfish is a
(a) Crustacean animal
(b) Edible fish
(c) Poisonous fish
(d) None of the above
Ques. For seeing a haemocoel which animal you will select
(a) Earthworm
(b) Hydra
(c) Sponge
(d) Scolopendra
Ques. Mouth parts of a butterfly are of type
(a) Sponging
(b) Siphoning
(c) Piercing and sucking
(d) Chewing and sucking
Ques. Casting off of old skeleton during growth of an animal is
(a) Skinning
(b) Moulting
(c) Ecdysis
(d) Both (b) and (c)
Ques. Wings are vestigial in Cockroach
(a) Female Blatta orientalis
(b) Male Blatta orientates
(c) Male Periplanata Americana
(d) Female Periplanata americana
Related: iupac nomenclature exercises
Ques. Metamorphosis of insects is regulated through hormone
(a) Pheromone
(b) Thyroxine
(c) Ecdysone
(d) All the above
Ques. Difference between male and female Anopheles occurs in
(a) Proboscis
(b) Wings
(c) Antennae
(d) Size
Ques. Difference between male and female Anopheles occurs in
(a) Proboscis
(b) Wings
(c) Antennae
(d) Size
Ques. Corpora allata are removed from a nymph. It will
(a) Remain nymph for life
(b) Become adult
(c) Change to next nymph immediately but will remain in that state
(d) Die after some time
Ques. Hard exoskeleton cephalothorax and gills for respiration are characteristics of
(a) Insecta
(b) Myriapoda
(c) Polychacta
(d) Crustacea
Ques. Wriggler is the larva of
(a) Cockroach
(b) Mosquito
(c) Butterfly
(d) Housefly
Ques. Salivary duct of Cockroach opens at
(a) Hypopharynx
(b) Epipharynx
(c) Left mandible
(d) Right mandible
Related: Physics questions on work energy and power
Ques. From the following statements select the wrong one
(a) Prawn has two pairs of antennae
(b) Nematocysts are characteristics of the phylum cnidaria
(c) Millepedes have two pairs of appendages in each segment of the body
(d) Animals belonging to phylum porifera are exclusively marine
Ques. In molluscs, the respiratory pigment is
(a) Haemoglobin
(b) Hamocyanin in the blood cells
(c) Myoglobin
(d) Haemocyanin in the blood plasma
Ques. Which one occurs in mollouscs but not in echinoderms
(a) Flame cells
(b) Malpighian tubules
(c) Kidney
(d) None of the above
Ques. Ospharidium is meant for
(a) Excretion
(b) Nutrition
(c) Selection and rejection of food
(d) Grinding of food
Ques. Main function of pedicellariae in Asterias is
(a) Digestion
(b) Excretion
(c) Respiration
(d) Capture of prey and removal of debris
Ques. Absence of excretory organs, great power of regeneration and exclusively marine animals belong to the phylum
(a) Mollusca
(b) Echinodermata
(c) Fishes
(d) Arthropoda
Related: calorimeter questions
Ques. Notochord is restricted to the anterior part of body proboscis in animals of which group
(a) Hemichordata
(b) Urochordata
(c) Cephalochordata
(d) Chordata
Ques. In which of the following the notochord is present in embryonic stage
(a) Vertebrates
(b) Some chordates
(c) All chordates
(d) Non-chordates
Ques. The most important distinctive character of chordata is the presence of
(a) Vertebral column
(b) Hairy skin
(c) Notochord
(d) All the above
Ques. Which fins are paired in fishes
(a) Dorsal fin and anal fin
(b) Pelvic fin and ventral fin
(c) Pectoral fin and pelvic fin
(d) Caudal fin and dorsal fin
Ques. Absence of thumb is characteristic of
(a) Rabbit
(b) Man
(c) Frog
(d) Monkey
Ques. Axolotl larva belongs to the order
(a) Urodela
(b) Anura
(c) Apoda
(d) Stegocephalia
Related: amino acids structure quiz
Ques. The skull of frog is
(a) Tricondylic
(b) Monocondylic
(c) Dicondylic
(d) Noncondylic
Ques. Carapace is present in
(a) Toad
(b) Bird
(c) Frog
(d) Tortoise
Ques. Most dinosaurs became extinct during
(a) Late Triassic
(b) Late Jurassic
(c) Cretaceous
(d) Early Tertiary
Ques. Archaeopteryx called a connecting link, carried the characters of
(a) Reptile and bird
(b) Reptile and mammal
(c) Fish and amphibian
(d) Amphibian and reptile
Ques. The beak in birds is toothed in
(a) Ostrich
(b) Kiwi
(c) Archaeopteryx
(d) Pelican
Ques. Egg-laying mammals are grouped as
(a) Eutheria
(b) Prototheria
(c) Rodentia
(d) Metatheria
Related: current electricity quiz
Ques. Most animals domesticated by man belong to the order
(a) Carnivora
(b) Rodentia
(c) Ungulata
(d) Lagomorpha
Ques. Which of the following structures is present characteristically only in mammalian brain
(a) Corpus fibrosum
(b) Corpus striatum
(c) Corpus luteum
(d) Corpus callosum
God knows what will happen to medical students