GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 055

GENERAL SCIENCE BIOLOGY ONE LINERS FOR TNPSC UPSC SSC SET 055

 

541). Man cannot digest cellulose whereas cows can do so because
A). their gut contains certain bacteria capable of digesting cellulose
B). they have a many-chambered sotmach
C). they have efficient grinding molars
D). they produce an enzyme cellulose which can digest cellulose

Answer: their gut contains certain bacteria capable of digesting cellulose

   
542). If a mouse of over eight times its normal size has been produced by introducing human growth harmone gene, the technique involved is called
A). hybridisation
B). genetic engineering
C). nutation Breeding
D). hormonal feeding

Answer: genetic engineering

   
543). Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are
A). acute diarrhoea, cancer and gout
B). malaria, acute diarrhoea and schistosomiasis
C). onchocerciasis, leukaemia and arthritis
D). rbeumatism, malaria and AIDS

Answer: malaria, acute diarrhoea and schistosomiasis


544). Which one of the following seeds can benefit a patient of diabetes mellitus by normalizing his blood sugar level?
A). Coriander seeds
B). Mustard Seeds
C). Cumin seeds
D). Fenugreek seeds

Answer: Fenugreek seeds

   
545). Haemophilia is a hereditary disease carried by
A). females and expressed by females
B). females and expressed by males
C). males and expressed by females
D). males and expressed by males

Answer: females and expressed by males


546). Which one of the following vitamins is considered to be a hormone ?
A). A
B). B
C). C
D). D

Answer: D

   
547). Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of
A). two
B). three
C). five
D). eight

Answer: eight

   
548). Haemoglobin is dissolved in the plasma of
A). frog
B). fish
C). man
D). earthworm

Answer: frog

   
549). Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material ?
A). Plutonium
B). Thorium
C). Radon
D). Radium

Answer: Thorium

   
550). The heart of human embryo starts beating in the
A). first week of its development
B). third week of its development
C). fourth week of its development
D). sixth week of its development

Answer: fourth week of its development