Blood clotting requires vitamin
A
B
C
K
- Which organism probably arrived first in the world?
- What are the symptoms of retinal deficiency?
- Tuberculosis is caused by
- Biologists have so far known, found and identified a large number of species in the plant and animal…
- Whale reproduces by
- The first sign of life made its appearance on the earth about
- Dwarf plants can be made to attain their normal stature by applying
- Leafy trees help in preventing
- Organisms that live in the deep sea are mainly
- Which among the following is a balanced fertiliser for plants?
- Warm-bloodedness
- 1 gm of carbohydrate gives energy which is about
- Which of the following terms is used in Botany?
- Saliva flows at the sight of food. This action is
- Small pox is caused by
- Blood plasma from which fibrinogen is removed is known as
- The involuntary muscles are controlled by the
- The white blood corpuscles the body because they are popularly called soldiers of
- Translocation of food takes place in plants through
- The suggestion that the chromosomes are the carriers of hereditary material was first made by
- Lamarck's theory of inheritance of acquired characters was challenged by
- Cancer cells are more easily damaged by radiation than normal cells because they are
- Who was the first scientist/doctor who attempted vaccination?
- Which one of the following was probably absent in the atmosphere at the time of origin of life?
- Which among the following animals has the largest Intestine?
- Tse-Tse fly is the vector for
- The aphotic zone means that light is
- Valves are present inside
- The natural defence of our body against foreign germs is formed by
- Late blight of potato is caused by