Q.8 Plasma membrane is found in the cells of:
A) Animals only.
B) Plants only.
C) Both in plants and animals.
D) Bacteria only.
Q.9 The semicircular channels and system of tubes found in cytoplasm are known as:
A) Ribosomes.
B) Glyoxisomes.
C) Endoplasmic reticulum.
D) Vacuoles.
Q.10 The structures that are involved in the manufacture and supply of energy to the cell
are:
A) Centrioles.
B) Plastids.
C) Nucleolus.
D) Mitochondria.
Q.11 In a plant cell chlorophyll is present in:
A) Chromoplasts.
B) Leucoplasts.
C) Stroma.
D) Chloroplasts.
Q.12 Cytokinesis is a division of:
A) Cytoplasm.
B) Chromosomes.
C) Nucleus.
D) Nucleolus.
Q.13 During cell division the plant cell is not seen to have:
A) Spindle fibers.
B) Chromatids.
C) Centromere.
D) Centrioles.
Q.14 Which human disease is due to meiotic errors:
A) Typhoid.
B) Cholera.
C) Measles.
D) Down’s syndrome.