The 'mad-cow disease' (Jakob-Creutzfeldt disease) is produced by certain
bacterium
virus
viroid
prion
- The acid that is secreted in the stomach is
- Whooping cough is caused by
- Which of the following contains the highest protein content per gram?
- 1 gm of carbohydrate gives energy which is about
- The latest drug for cancer is obtained from
- Which one of the following cells helps in storing water and food materials?
- Total number of amino acids in plants is
- The function of ribosomes is
- The potato is a modified stem, is explained by the presence of
- The two German scientists who proposed the 'cell theory' were
- DNA is found
- What are halophytes?
- Nucleus was first discovered by
- What is an antigen?
- The insects do not have blood pigments because
- Afforestation means
- An organism eating its own species is called
- The deficiency of Vitamin A which leads to poor vision during night is termed
- The closing and opening of the leaves of Mimosa pudica (Touch me not) plant is due to _______ movement.
- Genes are arranged in chromosomes
- Blood is a kind of
- Aphids are
- The hypothesis that living matter originated in the past from non-living matter is supported by
- The grouping of blood is based on substances called
- The theory of 'jumping genes' was propounded by
- Fusarium causes the wilting of the cotton plants by
- The saliva contains an enzyme called
- The thrombocytes are associated with
- Haemoglobin is dissolved in the plasma of
- Which among the following cows give maximum milk yields?