______ respiration is the process by which cell utilized oxygen and produces CO2
1.Cellular
2.Organismic
3.Both of these
4.None of these
Posted Date:-2021-09-01 20:39:30
_______ are believed to have common origin with annelids.
1.Nematods
2.Arthropods
3.Molluscs
4.None of these
Posted Date:-2021-09-01 20:39:30
_______ are the first group of invertebrates which have developed a closed circulatory system.
1.Nematods
2.Annelids
3.Arthropods
4.Molluscs
Posted Date:-2021-09-01 20:39:30
_________ respiration is directly involved in the production of energy, necessary for all living activities.
1.Organismic
2.Cellular
3.Both of these
4.None of these
Posted Date:-2021-09-01 20:39:30
Active site of Rubisco is evolved to bind
1.CO2
2.O2
3.Both of these
4.H2O
Posted Date:-2021-09-01 20:39:30
All of the following are tue for platyhelminthes except
1.Flatwarms
2.Triploblastic
3.Coelomate
4.Bilateral symmetry
Posted Date:-2021-09-01 20:39:30
All of the following coelenterates show alternation of generation except
1.Hydra
2.Obelia
3.Aurelia
4.None of these
Posted Date:-2021-09-01 20:39:30
Aquatic arthropods respire through
1.Spiracles
2.Gills
3.Book lungs
4.Both b and c
Posted Date:-2021-09-01 20:39:30
Body is eel like in
1.Cyclostomata
2.Chondrichthyes
3.Osteichthyes
4.None of these
Posted Date:-2021-09-01 20:39:30
Body is globular in
1.Cake urchin
2.Sea Urchin
3.Sea cucumber
4.Brittle star
Posted Date:-2021-09-01 20:39:30
Circulatory system is open type in all of the following except
1.Arthropoda
2.Gastropoda
3.Pelecypoda
4.Cephalopoda
Posted Date:-2021-09-01 20:39:30
During rest the breathing occurs rhythmically at the frequency of ______ times per minute in human
1.16-30
2.15-20
3.5?10
4.6?12
Posted Date:-2021-09-01 20:39:30
Excretory system of platyhlminthes consists of
1.Nephridia
2.Flame cells
3.Malpighian tubules
4.Nephrons
Posted Date:-2021-09-01 20:39:30
Exoskeoeton of coelenterates terates is made up to
1.Calcium
2.Silica
3.Chitin
4.Both A & B
Posted Date:-2021-09-01 20:39:30
Free living example of platyhelminthes is
1.Dugesia
2.Fasciola
3.Taenia
4.None of these
Posted Date:-2021-09-01 20:39:30
Functional units of lungs are called
1.Alveoli
2.Air sacs
3.Parabronchi
4.None of these
Posted Date:-2021-09-01 20:39:30
Gaseous exchange through the skin is known as ______ respiration.
1.Cuticular
2.Cutaneous
3.Skin
4.Pulmonary
Posted Date:-2021-09-01 20:39:30
In most birds air sacs are _____ in number
1.10
2.3
3.4
4.9
Posted Date:-2021-09-01 20:39:30
Lungs are covered with double layered thin membranous sac called
1.Disphragm
2.Pleura
3.Pericardium
4.Rib cage
Posted Date:-2021-09-01 20:39:30
Lungs are spongy due to the presence of million of
1.Air sacs
2.Alveoli
3.Bronchioles
4.Parabronchi
Posted Date:-2021-09-01 20:39:30
Main blood vessel of arthropods usually
1.Lies on dorsal side
2.Lies on ventral side
3.Lies on lateral side
4.Is not present
Posted Date:-2021-09-01 20:39:30
Mammals became dominant in
1.Proterozoic era
2.Mesozoic era
3.Paleozoic era
4.Cenozoic era
Posted Date:-2021-09-01 20:39:30
Mantle in molluscs is present over
1.Head
2.Ventral muscular foot
3.Dorsal visceral region
4.All of these
Posted Date:-2021-09-01 20:39:30
Marine example of annelid is
1.Neries
2.Stylaria
3.Earthworm
4.Leech
Posted Date:-2021-09-01 20:39:30
Nervous system of nematods consists of
1.Ventral nerve cord
2.Dorsal nerve cord
3.Lateral nerve cord
4.All of these
Posted Date:-2021-09-01 20:39:30
Notochord is present throughout life in
1.Urochordates
2.Cephalochordates
3.Chordates
4.Vertebrates
Posted Date:-2021-09-01 20:39:30
Number of spiracles present in cockroach is
1.15
2.10
3.20
4.30
Posted Date:-2021-09-01 20:39:30
Number of spiracles present in the thorax of cockroach is
1.2
2.3
3.5
4.4
Posted Date:-2021-09-01 20:39:30
Of the following, which one is better respiratory medium.
1.Air
2.Water
3.Soil
4.None of these
Posted Date:-2021-09-01 20:39:30
Oxygen contents per liter of air is
1.10 ml
2.100 ml
3.200 ml
4.100ml
Posted Date:-2021-09-01 20:39:30
Parabronchi are open at ______ end/s
1.Single
2.Both
3.Do not have opening
4.None of these
Posted Date:-2021-09-01 20:39:30
Pin warm is common name used for
1.Rhabditis
2.Enterobius vermicularis
3.Ancylostoma duodenale
4.Taenia solium
Posted Date:-2021-09-01 20:39:30
Polychaeta have
1.Tentacles
2.Palps
3.Eyes
4.All of these
Posted Date:-2021-09-01 20:39:30
Prechordates is another name used for
1.Echinoderms
2.Hemichordates
3.Vertebrates
4.Chordates
Posted Date:-2021-09-01 20:39:30
Psedudocoelom is character of
1.Coelenterates
2.Platyhelminthes
3.Aschelminthes
4.Annelids
Posted Date:-2021-09-01 20:39:30
Second largest phylum of invertebrates is
1.Porifera
2.Arthropoda
3.Mollusca
4.Chordata
Posted Date:-2021-09-01 20:39:30
Shell of egg is leathery in appearance in
1.Amphibians
2.Reptiles
3.Birds
4.Prototherians
Posted Date:-2021-09-01 20:39:30
The air spaces may comprise upto ______ of total volume of leaf surface.
1.30%
2.20%
3.40%
4.50%
Posted Date:-2021-09-01 20:39:30
The blood enters the _____ side of heart
1.Posterior
2.Anterior
3.Lateral
4.All possible
Posted Date:-2021-09-01 20:39:30
The glycolate produced diffuses into the membrane bounded organelles called
1.Glyoxisomes
2.Peroxisomes
3.Lysosomes
4.Mitochondria
Posted Date:-2021-09-01 20:39:30
The maximum amount of oxygen which normal human blood absorbs and carries at sea level is _____ per 100 ml of blood.
1.10 ml
2.20 ml
3.30 ml
4.40 ml
Posted Date:-2021-09-01 20:39:30
The organs of locomotion in annelids are
1.Muscles
2.Hydrostatic skeleton
3.Parapodia
4.Setae
Posted Date:-2021-09-01 20:39:30
There are ______ stomata per square cm of leaf surface in Tobacco plants.
1.1200
2.12000
3.1,00,000
4.1000
Posted Date:-2021-09-01 20:39:30
True metamorphosis is not present in
1.Crustacea
2.Insecta
3.Arachnida
4.Myriapoda
Posted Date:-2021-09-01 20:39:30
Vocal cords are stretched across
1.Larynx
2.Pharynx
3.Golttis
4.None of these
Posted Date:-2021-09-01 20:39:30
Water is _____ times viscous than air
1.50
2.1000
3.5000
4.8000
Posted Date:-2021-09-01 20:39:30
When abdomen expands, the number of spiracles open is
1.2
2.3
3.6
4.8
Posted Date:-2021-09-01 20:39:30
Which of following system is segmentally arranged in annelids?
1.Excretory system
2.Digestive system
3.Criculatory system
4.Nervous system
Posted Date:-2021-09-01 20:39:30
Which of the following fishes contained lungs?
1.Lamprey
2.Perch
3.Plaice
4.Dipnoi
Posted Date:-2021-09-01 20:39:30
Which system is present in nematods?
1.Sac - like digestive system
2.Tube - like digestive system
3.Circulatory system
4.Respiratory system
Posted Date:-2021-09-01 20:39:30