Jamb Biology Questions - Living organisms
Question 76:
Osmosis can be defined as the movement of
- A Molecules from solution of higher concentration to low concentration
- B Molecules from solution of low concentration to high concentration
- C Water from solution of high concentration to low concentration
- D Water across a semi-permeable membrane from solution of low concentration to high concentration
- E Water across a semi-permeable membrane from solution of high concentration to low concentration
Question 77:
Blood clotting is initiated by
- A Leucocytes
- B Platelets
- C Haemolymph
- D Haemoglobin
- E Erythrocytes
Question 78:
Pepsin is a digestive enzymes which breaks
- A Cellulose into glucose molecules
- B Carbohydrates into simple sugars
- C Protein into peptones
- D Fats into glycerol and fatty acid
- E Sucrose into glucose and fructose
Question 79:
A man with normal haemoglobin (AA) marries a woman who has sickle-cell haemoglobin (SS). They have a child who has a sickle-cell trait. Which of the following genotypes could be associated with the child’s haemoglobin?
View Answer & ExplanationQuestion 80:
Which of the following group does NOT reproduce asexually?
- A Mucor, Spirogyra and Paramecium
- B Penicillium, Paramecium and Amoeba
- C Mucor, Rhizophus and Penicillium
- D Amoeba, Spyrogyra and Mucor
- E Rhizophus, Ascaris and Amoeba