Biology Past Questions and Answers

In which of the following multicellular organisms is-interdependence of cells maintained?

A Spirogyra
B Volvox
C Eudorina
D Pandorina

Question 1407:

Which of the following processes occurs in the second phase of meiosis?

A Homologous chromosomes separate
B Two daughtercells are formed
C Fertilization occurs
D Segregation of genes occurs

Question 1408:

The muscle cell fluid of an athlete was tested immediately after a 1 O m race and was found to contain a high
concentration of lactic acid. Explain what could have caused this. The

A Athlete must have eaten food containing lactic acid just before the race
B Athlete must have injected lactic acid into his blood just before the race
C Athletes muscle must have carried out anaerobic respiration during the race
D Athlete must have inhaled lactic acid from the environment during the race

Question 1409:

The graph above represents the growth pattern of an animal. Which of the following groups of animals shows this
pattern of growth?

A Cestoda
B Reptilia
C Amphibia
D Insecta

Question 1410:

The pulmonary circulation involves movement of the blood to and from the

A Brain
B Kidney
C Liver
D Lungs