Q. The xylem in plants is responsible for -
1) transport of water
2) transport of food
3) transport of amino acids
4) transport of oxygen
Q. The kidneys in humans are a part of which of the following systems?
1) nutrition
2) respiration
3) excretion
4) transportation
Q. A segment of DNA providing information for a protein is called -
1) nucleus
2) chromosomes
3) trait
4) gene
Q. What percentage of genes does a child receive from its father?
1) 25%
2) 50%
3) 75%
4) 100%
Q. Melatonin encodes proteins in cells to prevent ............... entry.
1) Virus
2) Bacterium
3) Fungus
4) Protozoan
Q. Which of the following popular kitchen ingredients is called the sugar-eating fungus?
1) Yeast
2) Ketchup
3) Vinegar
4) Baking powder
Q. The vertebrae are a part of which of the following body systems in humans?
1) Kidney
2) Lungs
3) Heart
4) Spinal cord
Q. Which of the following is the function of the larynx?
1) To allow food into pharynx
2) To allow food into trachea
3) To not allow food into trachea
4) None of the above
Q. Which one is common in plant cells and animal cells?
1) Chlorophyll
2) Glycogen
3) Starch
4) Nucleous and protoplasm
Q. The systolic pressure range during adulthood is -
1) 50-60
2) 70-80
3) 80-90
4) 110-125
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