The grouping o( blood is based on substances called
antibodies
antigens
antitoxin
enzymes
- The amount of blood in a normal man is about
- The disease in which blood clotting does not take place is known as
- Pacemaker is the
- If a father has blood group A and the mother has blood group 0, which one of the blood groups may be…
- The radicle of the seeding always grows
- Phonoreceptor refers to the perception of
- The acid that is secreted in the stomach is
- Who first observed the plasma membrane?
- In movable joints the tips of the bones are covered with
- The heart of the human embryo starts beating in the _____ week of its development.
- What are the symptoms of 'Pellagra'?
- The external ears of man are intended for
- The human heart is
- Which one of the ecosystems Is the largest in the world?
- Which of the following is NOT a viral disease?
- Hormone promoting maleness in flowering plants is
- Organisms which synthesise their own food are called
- Injection of insulin causes
- Dr Khorana's work relates to
- The cavities of the brain are filled with
- The grey matter of the brain is so coloured because of the concentration of
- Which one of the following is caused by the expression of a recessive gene present on sex chromosome?
- Digestion of proteins starts in the
- The disease in which blood clotting does not take place is known as
- Plants grown in darkness show
- Aphids are
- The two minerals required to keep teeth and bones intact and in good condition are
- Which one of the following animals stores water in the intestine?
- The theory that all animals and plants are made up of cells and they could arise only from pre-existing…
- Edward Jenner to find out the efficacy of vaccination used