Zoology Quiz Part 6

The scientific study of poisons is





_______is one of the sex determining hromosomes. In humans it is this chromosome that carries the genes for maleness.





________is a connective cord that links the unborn infant or foetus with the mother.





________is a surgical operation for closing up of was different, the tube which carries sperms from the test is to the prostate gland from where they are carried out- side along with other secretions.





_______ is an extremely small (25 to 300 nanometer in length) obligate parasite which can multiply only in a living cell of a plant or an animal.





_______ is an infectious gastrointestinal disease that causes fever.





A blood vessel which carries blood from different parts of the body to the heart is





________ is the ductless gland found on both sides of the windpipe and it secretes the hormone thyroxine, a compound of iodine and tyrosine Which controls the rate of metabolism in the body affecting its growth and activity.





Plasma is the liquid part of





_______of an adult body is water.





A virus is a kind of micro-organism which causes in animals and plants.





Any animal having a backbone orvertebral column is





_______ is a word which describes a change in an animal.





An agent which carries infectious organisms from an infected individual to another is called





Which one of the following is correct?






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