Easy Tutorial
For Competitive Exams
UPSC Biology Page: 4
4074.The golden age of reptiles is
Cenozoic era
Palaeozoic era
Mesozoic era
Silurian period
4075.The theory of use and disuse of organ was proposed by
Darwin
Lamarck
De Vries
Hooker
4076.One of the following theories were proposed by Weissman
Law of inheritance
Theory of inheritance of acquired characters
Theory of natural selection
Theory of germplasm
4077.Ontogeny recapitulates phylogeny-this theory is called
Biogenetic law
Law of embryology
Law of acquired characters
Law of Bridges
4078.The brain capacity of Homoerectus is
800 cc
900 cc
1200 cc
1400 cc
4079.An example of Innate immunity is
PMNL-neutrophils
T-lymphocytes
B-lymphocytes
TH cells
4080.Cocaine is extracted from
Erythroxylum coca
Cannabis sativa
Papaver somniferum
Atropa belladonna
4081.The enzyme that cuts DNA is
DNA-polymerase
DNA-ligase
DNA-lyase
Restriction endonuclease
4082.In the association between two organisms, if one organism is benefited and the other is not benefited, this relationship is known as
Symbiotism
Mutualism
Commensalism
Parasitism
4083.Opiate narcotics drugs are
Antianxiety
Analgesic
Hypnotic
Antihistamine
4084.The drug useful to increase cardiovascular effects in human beings is
Cocaine
Barbiturate
Benzodiazetine
Insulin
4085.In echolocation, the animal that produces high frequency sounds is
Monkey
Butterfly
Squirrel
Bat
4086.Two kingdoms constantly figured in all biological classifications are
Plantae and Animalia
Monera and Animalia
Protista and Animalia
Protista and Plantae
4087.The dioecious animal is
Liverfluke
Hookworm
Tapeworm
Earthworm
4088.Comb plates are found in
Adamsia
Aurelia
Nereis
Pleurobrachia
4089.Which of the following is least infectious
leprosy
hepatitis
tuberculosis
conjunctivitis
4090.Which of the following is not a mosquito borne disease
Dengue fever
Malaria
Sleeping sickness
Filariasis
4091.In certain amino acids, which one of the following elements is found in addition to carbon, hydrogen, nitrogen and oxygen
Phosphorus
Zinc
Calcium
Sulphur
4092.Among the following elements, which one is essential for the transmission of impulses in the nerve fibre
Calcium
Iron
Sodium
Zinc
4093.The vitamin which is very liable and easily destroyed during cooking as well as storage is
Vitamin A
Vitaminb6
Vitamin C
Vitamin K
Share with Friends