121.

Which one among the following parts of blood carries the function of body defense?

• Platelets

• White Blood Cells

• Haemoglobin

• Red Blood Cells

Which one among the following is not included in the major clinical signs as a case definition of AIDS in children 1 < 12 years of age?

• Persistent cough for more than I month

• Loss of weight

• Chronic diarrhoea

• Prolonged fever

Polio disease is caused by

• Bacteria

• Fungi

• Virus

• Worm

Which one among the following is the hardest part of our body?

• Skull bones of head

• Thumb nails

• Enamel of teeth

• Spinal vertebra

Which of the following group is present in animal cells?

• Mitochondria, Cell membrane, Cell wall, Cytoplasm

• Chloroplast, Cytoplasm, Vacuole, Nucleus

• Nucleus, Cell membrane, Mitochondria, Cytoplasm

• Vacuole, Cell membrane, Nucleus, Mitochondria

Which one among the following statement is correct? In digestive system of living organisms

• glucose is broken down into glycerol

• glucose is converted into glycogen

• glucose is broken down into carbon dioxide and water

• proteins are broken down into amino acids

Which one among the following nutrients is a structural component of the cell wall of plants?

• Manganese

• Potassium

• Phosphorus

• Calcium

A balanced diet should have approximately

• 1/5 protein, 3/5 fat, and 1/5 carbohydrate

• 3/5 protein, 1/5 fat, and 1/5 carbohydrate

• 1/5 protein, 1/5 fat, and 3/5 carbohydrate

• 1/2 protein, 1/4 fat, and 1/4 carbohydrate

Which one among the following statements is correct?

• All arteries carry oxygenated blood

• All veins carry oxygenated blood

• Except the pulmonary artery, all other arteries carry oxygenated blood

• Except for the pulmonary vein, all other veins carry oxygenated blood

What are the cold-blooded animals?

• Animals with blood without haemoglobin

• Animals who are not ferocious

• Animals whose body temperature remains constant

• Animals whose body temperature varies according to the temperature of atmosphere