Que- Megaphylls i.e. leaves with divided veins with an expanded lamina is a dharacteristic of :
a. Lycopods
b. Ferns
c. Seed plants
d. Both b and c
Answer- Both b and c
Que- The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called
a. Overtopping
b. Fusion
c. Webbing
d. Planation
Answer- Planation
Que- Which of the following statement about filicinae a group of tracheophytes is incorrect:
a. They belong to sphenopsida
b. They are seedless and their leaves are called fronds
c. They live in shady and moist areas.
d. They show circinate vernation.
Answer- They belong to sphenopsida
Que- Due to which property of Adiantum and example of Filicinae is called Maidenhairfern?
a. Its short thick branched horizontally growing rhizome
b. Fibrous adventituous roots arise from the lower side of rhizome
c. Shows heteromorphic alternation of generation
d. Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
Answer- Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
Que- Specialized protective coverings around megasporangium which vary in number are called:
a. Sporangium
b. Integuments
c. Ovule
d. Pericarp
Answer- Integuments
Que- In which group of tracheophytes ovules are born on the exposed surface of megasporophylls?
a. Spheospsida
b. Filicineae
c. Gymnosperms
d. Angiosperms
Answer- Gymnosperms
Que- Pinus Taxus and Picea belong to
a. Spheospsida
b. Filicineae
c. Gymnosperms
d. Angiosperms
Answer- Gymnosperms
Que- In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by
a. Mitosis
b. Meiosis
c. Both depending upon the conditions
d. None of these
Answer- Meiosis
Que- Microspore of a seed plant that contain male gametophyte including the gamete is called
a. Pollen grain
b. Ovule
c. Microgametophyte
d. Microsporangium
Answer- Pollen grain
Que- Monocots are characterized by
a. Number of sepals and petals are 2 or multiple of 2
b. Number of sepals and petals are 3 or multiple of 3
c. Number of sepals and petals are 4 or multiple of 4
d. Number of sepals and petals are 5 or multiple of 5
Answer- Number of sepals and petals are 3 or multiple of 3
Que- Which of the following statement about dicots is incorrect ?
a. They have 4 or 5 sepals and petals or their multiple.
b. They have parallel vein pattern on their leaves
c. They are both herbaceous and woody
d. Vascular bundles are ring shaped in their stems.
Answer- They have parallel vein pattern on their leaves
Que- Maize is an example of
a. Monocot
b. Dicot
c. Gymnosperms
d. none of these
Answer- Monocot
Que- Aschelminthes is also known as
a. Protozoans
b. Eumatazoa
c. Nematodes
d. Protoctist ancestors
Answer- Nematodes
Que- Of the following which one is not included in Proterostomes?
a. Arthropods
b. Hemichordates
c. Annelids
d. Molluses
Answer- Hemichordates
Que- All of the following are coelomates except
a. Deuterosomes
b. Proterosomes
c. Hemichordates
d. Aschelminthes
Answer- Aschelminthes
Que- The name animal is derived from the word.
a. Anima
b. Anemia
c. Aname
d. All of these
Answer- Anima
Que- Of the following which one is not the characteristic of Kingdom Animalia.
a. All animals are ingestive heterotrophs
b. All animals are eukaryotes
c. All animals develop from the dissimilar gametes i.e. large sperm and small egg.
d. It is largest kingdom.
Answer- All animals develop from the dissimilar gametes i.e. large sperm and small egg.
Que- The radial symmetry is found in the animals of
a. Protozoa
b. Porifera
c. Cnidaria
d. All of these
Answer- Cnidaria
Que- All the animals of the grade radiata are
a. Diploblastic
b. Triploblastic
c. Both
d. Unicellular
Answer- Diploblastic
Que- Both radial and bilateral symmetry is found in the phylum
a. Protozoa
b. Porifera
c. Echinodermata
d. None of these
Answer- Echinodermata
Que- Coelom that develops from the archenteron as outpouching is
a. Pseudocoelom
b. Enterocoelom
c. Schizocoelom
d. None of these
Answer- Enterocoelom
Que- The animals in which coelom is formed due to splitting of mesocerm are known as
a. Pseudocoelous
b. Schizocoelous
c. Enterocoelous
d. Emphicoelous
Answer- Schizocoelous
Que- Of the following which one is not found in series proterostomia.
a. Annelida
b. Arthropoda
c. Mollusea
d. Echinodermata
Answer- Echinodermata
Que- In some cases the blastomere can produce complete embryo the cleavage will be
a. Spiral and determinate
b. Radial and indeterminate
c. Spiral and indeterminate
d. Radial and determinate
Answer- Radial and indeterminate
Que- The fate of each blastomere is foretold. The cleavage will be as
a. Spiral and indeterminate
b. Radial and indeterminate
c. Radial and indeterminate
d. Spiral and determinate
Answer- Spiral and determinate
Que- Of the following which one is non-cellular in most cases in animals?
a. Mesenchyme
b. Sclerenchyma
c. Chlorenchyma
d. Mesoderm
Answer- Mesenchyme
Que- In most triploblasts after embryonic development the three layers are represented as
a. Separate layers of cells
b. Structures formed from them
c. Structures associated with them
d. Their functions in body
Answer- Structures formed from them
Que- Of the following which one is not the characteristic of triploblasts.
a. All of them have blood vascular system
b. They may be coelomate pseudocoelomate or acoelomate
c. They are included in grade bilateria
d. All of them have digestive system
Answer- All of them have blood vascular system
Que- The system well - developed in the acoelomate is
a. Excretory system
b. Nervous system
c. Both of these
d. Transport system
Answer- Both of these
Que- Pseudocoelem develops from
a. Blastopore
b. Plastoquinone
c. Blastocoel
d. Splitting of mesoderm
Answer- Blastocoel
Que- The function of coelom is
a. To increase the size of the animals
b. To help in the functioning of reproductive system
c. To provide space for the development of organs and systems
d. None of these
Answer- To provide space for the development of organs and systems
Que- Coelom is lined by
a. Parietal mesoderm
b. Visceral mesoderm
c. Mesoderm
d. Both A & B
Answer- Both A & B
Que- In acoelomates gut is _____ in origin.
a. Ectodermal
b. Endodermal
c. Mesodermal
d. None of these
Answer- Endodermal
Que- Sperms are _____ in origin.
a. Ectodermal
b. Mesodermal
c. Endodermal
d. None of these
Answer- Mesodermal
Que- A sponge of Antarctica which is more than a meter tall is
a. Scolymastra joubini
b. Euplectella
c. Spongilla
d. Leucoselenia
Answer- Scolymastra joubini
Que- Venus flower basket is also known as
a. Sycon
b. Euplectella
c. Leucoselenia
d. Spongilla
Answer- Euplectella
Que- Inner layers of the sponges are made up of
a. Pinacocytes
b. Choanoderm
c. Choanoytes
d. Pinacoderm
Answer- Choanoytes
Que- Porifera range in size from
a. Few millimeter wide to more than one meter tall
b. Few centimeter wide to more than one meter tall
c. Few decimeter wide to more than one meter tall
d. One meter wide to more than millimeter tall.
Answer- Few millimeter wide to more than one meter tall
Que- The internal buds are known as
a. Spicules
b. Choanocytes
c. Gemmules
d. None of these
Answer- Gemmules
Que- The sponges in which sperms develop first are included in the category of
a. Peritandrous
b. Pertandrous
c. Protendrous
d. Protandrous
Answer- Protandrous
Que- 80% of the food of sponges consists of
a. Detrital organic particles
b. Zooplankton and small animals
c. Phytoplanktons
d. all of these
Answer- Detrital organic particles
Que- The skeleton of the sponges is in the form of variously shaped needle like structures called
a. Stripules
b. Spicules
c. Brails
d. Spines
Answer- Spicules
Que- The skeleton of sponges is made up of
a. Calcium
b. Silica
c. Both of these
d. None of these
Answer- Both of these
Que- Sperms released in water are carried to the mesenchyme in sponges by
a. Amoeboid cell
b. Stipules
c. Spicules
d. Spines
Answer- Amoeboid cell
Que- Gut in pseudocoelomates is made from
a. Ectoderm
b. Mesoderm
c. Endoderm
d. All of these
Answer- Endoderm
Que- In sponges fertilization takes place in
a. Ectoderm
b. Mesenchyme
c. Endoderm
d. Uterus
Answer- Mesenchyme
Que- The single main opening of the sponge cavity is
a. Osculum
b. Ostia
c. Spongocoel
d. None of these
Answer- Osculum
Que- Enteron in coelenterates acts as
a. Digestive cavity
b. Body cavity
c. Transporting cavity
d. all of these
Answer- all of these
Que- Which of the following are motile zooids in cnidarians?
a. Polyps
b. Medusae
c. Both of these
d. None of these
Answer- Medusae
Que- Exoskeoeton of coelenterates terates is made up to
a. Calcium
b. Silica
c. Chitin
d. Both A & B
Answer- Calcium
Que- All of the following coelenterates show alternation of generation except
a. Hydra
b. Obelia
c. Aurelia
d. None of these
Answer- Hydra
Que- All of the following are tue for platyhelminthes except
a. Flatwarms
b. Triploblastic
c. Coelomate
d. Bilateral symmetry
Answer- Coelomate
Que- Excretory system of platyhlminthes consists of
a. Nephridia
b. Flame cells
c. Malpighian tubules
d. Nephrons
Answer- Flame cells
Que- Free living example of platyhelminthes is
a. Dugesia
b. Fasciola
c. Taenia
d. None of these
Answer- Dugesia
Que- Psedudocoelom is character of
a. Coelenterates
b. Platyhelminthes
c. Aschelminthes
d. Annelids
Answer- Aschelminthes
Que- Nervous system of nematods consists of
a. Ventral nerve cord
b. Dorsal nerve cord
c. Lateral nerve cord
d. All of these
Answer- All of these
Que- Which system is present in nematods?
a. Sac - like digestive system
b. Tube - like digestive system
c. Circulatory system
d. Respiratory system
Answer- Tube - like digestive system
Que- Pin warm is common name used for
a. Rhabditis
b. Enterobius vermicularis
c. Ancylostoma duodenale
d. Taenia solium
Answer- Enterobius vermicularis
Que- Which of following system is segmentally arranged in annelids?
a. Excretory system
b. Digestive system
c. Criculatory system
d. Nervous system
Answer- Criculatory system
Que- Marine example of annelid is
a. Neries
b. Stylaria
c. Earthworm
d. Leech
Answer- Neries
Que- _______ are the first group of invertebrates which have developed a closed circulatory system.
a. Nematods
b. Annelids
c. Arthropods
d. Molluscs
Answer- Annelids
Que- The organs of locomotion in annelids are
a. Muscles
b. Hydrostatic skeleton
c. Parapodia
d. Setae
Answer- Setae
Que- Polychaeta have
a. Tentacles
b. Palps
c. Eyes
d. All of these
Answer- All of these
Que- _______ are believed to have common origin with annelids.
a. Nematods
b. Arthropods
c. Molluscs
d. None of these
Answer- Arthropods
Que- Aquatic arthropods respire through
a. Spiracles
b. Gills
c. Book lungs
d. Both b and c
Answer- Both b and c
Que- Main blood vessel of arthropods usually
a. Lies on dorsal side
b. Lies on ventral side
c. Lies on lateral side
d. Is not present
Answer- Lies on dorsal side
Que- True metamorphosis is not present in
a. Crustacea
b. Insecta
c. Arachnida
d. Myriapoda
Answer- Arachnida
Que- Second largest phylum of invertebrates is
a. Porifera
b. Arthropoda
c. Mollusca
d. Chordata
Answer- Mollusca
Que- Mantle in molluscs is present over
a. Head
b. Ventral muscular foot
c. Dorsal visceral region
d. All of these
Answer- Dorsal visceral region
Que- Circulatory system is open type in all of the following except
a. Arthropoda
b. Gastropoda
c. Pelecypoda
d. Cephalopoda
Answer- Cephalopoda
Que- Body is globular in
a. Cake urchin
b. Sea Urchin
c. Sea cucumber
d. Brittle star
Answer- Sea Urchin
Que- Prechordates is another name used for
a. Echinoderms
b. Hemichordates
c. Vertebrates
d. Chordates
Answer- Hemichordates
Que- Notochord is present throughout life in
a. Urochordates
b. Cephalochordates
c. Chordates
d. Vertebrates
Answer- Cephalochordates
Que- Body is eel like in
a. Cyclostomata
b. Chondrichthyes
c. Osteichthyes
d. None of these
Answer- Cyclostomata
Que- Which of the following fishes contained lungs?
a. Lamprey
b. Perch
c. Plaice
d. Dipnoi
Answer- Dipnoi
Que- Shell of egg is leathery in appearance in
a. Amphibians
b. Reptiles
c. Birds
d. Prototherians
Answer- Reptiles
Que- Mammals became dominant in
a. Proterozoic era
b. Mesozoic era
c. Paleozoic era
d. Cenozoic era
Answer- Cenozoic era
Que- Which of the following is a chemical link between catabolism and anabolism?
a. AMP
b. ADP
c. ATP
d. All of these
Answer- ATP
Que- Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.
a. Organic
b. Energy rich
c. Energy poor
d. Reduced
Answer- Energy poor
Que- At which times there is no net gaseous exchange between leaves and the atmosphere.
a. Day time.
b. Night time.
c. Dawn & Dusk.
d. Mid night.
Answer- Dawn & Dusk.
Que- Quantitative study of energy relationships in biological systems obeys.
a. Bioenergetics
b. Laws of thermodynamics
c. Laws of thermo chemistry
d. Laws of chemical energetic
Answer- Laws of thermodynamics
Que- The organisms able to use sunlight directly as a source of energy are
a. Plants
b. Animals
c. Omnivores
d. Fungi
Answer- Plants
Que- Of the following which one is not an energy releasing process?
a. Glycolysis
b. Respiration
c. Photosynthesis
d. Kreb's cycle
Answer- Photosynthesis
Que- Net yield of H2O in Photosynthesis is
a. 1 molecule
b. 6 molecules
c. 3 molecules
d. 0 molecule
Answer- 0 molecule
Que- The point at which there is no net exchange of gases between leaves and atmosphere is known as
a. Neutral point
b. Compensation point
c. Parallel point
d. Competitive point
Answer- Compensation point
Que- Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on
a. Bacteria
b. Algae
c. Protenema
d. Cyanobacteria
Answer- Bacteria
Que- Visible light used in photosynthesis ranges from:
a. 300 - 700 nm in wavelength
b. 350 - 750 nm in wavelength
c. 380 - 750 nm in wavelength
d. 390 - 790 nm in wavelength.
Answer- 380 - 750 nm in wavelength
Que- Which of the following light is least absorbed by the plants:
a. Orange
b. Red
c. Blue
d. Green
Answer- Green
Que- Which of the light is mainly absorbed by the plants:
a. Orange
b. Red
c. Green
d. Both A and B
Answer- Both A and B
Que- Chlorophyll is insoluble in:
a. Carbon tetrachloride
b. Alcohol
c. Organic solvents
d. Water
Answer- Water
Que- Which of the following statement about the head of a chlorophyll molecule is incorrect:
a. It is a porphyrin ring or tetrapyrrole ring structure
b. It is flat, square and light absorbing
c. Composed of carbon and nitrogen atoms with Magnesium as central metal ion, which is coordinated with nitrogen.
d. It is hydrophobic
Answer- It is hydrophobic
Que- Molecular formula of chlorophyll 'a' molecule is:
a. C55H72O5N4Mg
b. C55H70O6N4Mg
c. C50H72O6N4Mg
d. C55H70O5N4Mg
Answer- C55H72O5N4Mg
Que- Which of the following pigment is Blue- green in colour:
a. Chlorophyll a
b. Chlorophyll b.
c. Chlorophyll c
d. Chlorophyll d.
Answer- Chlorophyll a
Que- Light reaction takes place on/in
a. Thylakoid
b. Storma
c. Chloroplast
d. Grana
Answer- Grana
Que- Thylakoids in chloroplasts are stacked into
a. Grana
b. Stroma
c. Nucleus
d. None of these
Answer- Grana
Que- The dense fluid filled region in the chloroplast is
a. Grana
b. Stroma
c. Thylakoid
d. None of these
Answer- Stroma
Que- Chlorophylls are found embedded in the ______ membranes
a. Stroma
b. Grana
c. Thylakoid
d. Intergrana
Answer- Thylakoid
Que- Xanthophylls are ______ pigments
a. Yellow
b. Red
c. Orange
d. Green
Answer- Yellow
Que- Chlorophylls mainly absorb ____ wavelengths
a. Orange - blue
b. Violet - red
c. Yellow - orange
d. Orange - red.
Answer- Orange - red.
Que- Deficiency of ________ causes yellowing in plants
a. Magnesium
b. Iron
c. Chlorine
d. Oxygen
Answer- Magnesium