How many trade digit numbers are divisible by 13 and having middle digit 5
Biology
What are Vestigial organs? Give one example of a vestigial structure in the human mouth.
Human Ear
Which part of the membranous labyrinth is responsible for maintaining the body balance on the beam?
Excretory System
Differentiate between the functions of Urethra and Uterus.
Our Environment
What are biomedical wastes? Give an example.
Excretory System
What is Micturition? Explain.
Blood
Name the white blood cells that:
(a) show phagocytosis
(b) produce antibodies
Nucleic Acid
What is the structure of DNA as proposed by Watson and Crick?
Cell Division
Draw a neat, labelled diagram of an animal cell showing metaphase with four chromosomes.
Nucleic Acid
Mention the two pairs of nitrogenous bases that are present in a DNA strand and pair with each other by hydrogen bonds