Biology Which one of the following weeds is effective in controlling water pollution caused by industrial effluents? Elephant grass Water hycinth Mogar grass Parthenium Elephant grass Water hycinth Mogar grass Parthenium ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body ? Epidermis Subcutaneous fat layer None of these Dermis Epidermis Subcutaneous fat layer None of these Dermis ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is not a function of saliva? Begins the chemical breakdown of starches Contains fluoride to harden the tooth enamel Moistens food and helps stick it together to make it easier to swallow Helps clean the mouth Begins the chemical breakdown of starches Contains fluoride to harden the tooth enamel Moistens food and helps stick it together to make it easier to swallow Helps clean the mouth ANSWER DOWNLOAD EXAMIANS APP
Biology The non-biotic pollutant of underground water is Arsenic Viruses Bacteria Algae Arsenic Viruses Bacteria Algae ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following would cause gene flow? Mutation Artificial selection Genetic drift Individuals moving into population Mutation Artificial selection Genetic drift Individuals moving into population ANSWER DOWNLOAD EXAMIANS APP
Biology Deficiency of which of the following causes non-clotting of blood? Vitamin E Vitamin C Vitamin K Vitamin B12 Vitamin E Vitamin C Vitamin K Vitamin B12 ANSWER DOWNLOAD EXAMIANS APP