Which of the following statements is not correct about the functions of each group
of mammalian vertebrae?
- A. Cervical vertebrae support the neck
- B. Thoracic vertebrae articulate with the ribs
- C. Lumbar vertebrae provide attachment for abdominal muscles
- D. Sacral vertebrae support the skull and allow nodding and rotating movements
- E. Caudal vertebrae support the tail and provide attachment for tail muscle
The structure labelled A represents the
- A. transverse process
- B. neural spine
- C. neural canal
- D. centrum
- E. metapophysis
What type of vertebra is represented in the diagram?
- A. Atlas
- B. Axis
- C. Cervical vertebra
- D. Sacrum
- E. Lumbar vertebra
Which of the following is not a function of the mammalian skeleton? It
- A. gives the body its shape
- B. provides a framework on which internal organs are suspended
- C. protects soft and delicate parts of the body
- D. provides attachment for muscles
- E. contracts and relaxes to bring about movement
The stage of mitosis represented in the diagram is known as the
- A. telophase
- B. metaphase
- C. anaphase
- D. interphase
- E. prophase
Which of the following processes is not evident from the drawing?
- A. Lining up of the chromosomes at the equatorial plate
- B. Centromere attaching a pair of chromatids to a spindle fibre
- C. Chromatids held by centromere
- D. Absence of nuclear membrane
- E. Chromatids moving to the poles
At which of the following stages of mitosis do the two daughter chromosomes separate completely?
- A. Early prophase
- B. Telophase
- C. Anaphase
- D. Late prophase
- E. metaphase
Which of the following statements is not correct of respiration?
- A. Gaseous exchange occurs by diffusion
- B. Oxygen combines with haemoglobin at the respiratory surface
- C. Carbondioxide produced in the tissues is removed by the process of osmosis
- D. There are no special organs for respiration in plants
- E. In higher animals, respiratory gases are transported in solution.
At the end of mitosis the number of cells produced from a parent cell is
- A. four
- B. six
- C. eight
- D. three
- E. two
Which of the following structures differentiates an animal cell from a plant cell?
- A. Ribosomes
- B. Cell membrane
- C. Chloroplast
- D. Mitochondrion
- E. Lysosome
The structure in the cell that controls the movement of substances in and out of the cell is the
- A. cytoplasmic membrane
- B. nuclear membrane
- C. cytoplasm
- D. protoplasm
- E. endoplasm
Most of the energy in the cell is produced in the
- A. mitochondrion
- B. lysosome
- C. plastid
- D. Golgi apparatus
- E. cytoplasm
Which of the following structures controls the activities of the living cell?
- A. Nucleus
- B. Centrosome
- C. Chloroplast
- D. Golgi body
- E. Mitochondrion
Which of the following methods of reproduction is common to Paramecium and Amoeba?
- A. Conjugation
- B. Sexual reproduction
- C. Binary fission
- D. Budding
- E. Fragmentation