You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these will you not use for the purpose
Test tube containing calcium bicarbonate
Chilled test tube
Test tube containing heparin
Test tube containing sodium hydroxide
Cattle fed with spoilt hay of sweet clover which contains dicumarol
are healthier due to a good diet
catch infections easily
may suffer vitamin K deficiency and prolonged bleeding
may suffer from beri-beri due to deficiency of vitamin B1
Which one of the following methods is commonly used to maintain the genetic traits of a given plant
By propagating through seed germination
By propagating through vegetative multiplication
By generating hybrids through intergeneric pollination
By treating the seeds with gamma radiations
hormones regulating growth from seed to adulthood
growth regulators synthesised by plants and influencing physiological process
hormones regulating flowering
hormones regulating secondary growth.
One common example of simple reflex is
tying your shoe laces while talking to another person and not looking at them
watering of mouth at the sight of a favourite food
climbing up a stairs in dark without stumbling
closing of eyes when strong light is flashed across them.
Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms.
Perianth and two integuments
Embryo development and apical meristem
Absence of resin duct and leaf venation
Presence of vessel elements and absence of archegonia
Injury to vagus nerve in humans is not likely to affect
Vagus nerve arises from the side of medulla oblongata. It innervates the larynx, trachea, oesophagus, stomach, lungs, heart and intestines. It is a mixed nerve. It controls the visceral sensations and visceral movements, i.e., heart beat, respiratory movements, peristalsis, sound production, etc. Movement of the tongue is controlled by hypoglossal nerve as it innervates the muscles of the tongue.
Which one of the following is a matching pair
Lubb - Sharp closure of AV valves at the beginning of ventricular systole
Dup - Sudden opening of semilunar valves at the beginning of ventricular diastole
Pulsation of the radial artery - Valves in the blood vessels
Initiation of the heart beat - Purkinje fibres
A patient of diabetes mellitus excretes glucose in urine even when he is kept in a carbohydrate free diet. It is because
fats are catabolised in adipose tissues to form glucose
amino acids are catabolised in kidney to form glucose
amino acids are discharged in blood stream from liver
glycogen from muscles is released in blood stream.
During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively
redia and miracidium
cercaria and redia
metacercaria and cercaria
miracidium and metacercaria.