Choose the correct statements regarding bilateral symmetry:I. This symmetry is advantageous to slow-moving animals. II. The animals with this symmetry can respond efficiently to new environments due to cephalization. III. The median sagittal plane divides the organism into two antimeres. IV. The animals with this symmetry lack a definite body form.
Statement I: Volume of air inspired or expired during normal inspiration or expiration is called tidal volume. Statement II: The volume of air that remains in the lungs after normal expiration is called residual volume.
Study the following and identify the incorrect combinations:
Identify the incorrect statements regarding blood groups: Statements:(1) The mother with Rh\(^{-}\) blood group develops passive immunity on administering IgM antibodies.(2) Isoagglutinogens are sugar polymers bound to fatty acids on the RBC membrane.(3) The alleles for Rh factor are located on three different loci on chromosome pair 9.(4) The expression of ABO blood types in man is by three alleles of a single gene.
Assertion: The male ants are developed by parthenogenesis from unfertilized eggs. Reason: The sex of offspring depends on the type of sperm that fertilizes the ovum, which is not relevant since male ants develop through haploid parthenogenesis, which does not involve fertilization.
Study the following and pick up the incorrect statements: I. In commensalism both partners are benefitted due to each other. II. In amensalism no partner is benefitted. III. In parasitism, one partner is benefitted and the other is harmed. IV. In competition both the partners are benefitted.
