Hydrotropism means the growth of roots
away from water
towards water
into water
out of water
- The liver destroys old
- Which among, the following is a solid lubricant?
- Which one of the following acts as a communication system?
- The waste product In the urine of man is
- Niche' refers to
- Darwinism does not explain
- Leafy trees help in preventing
- Herbivores are
- Biologists have so far known, found and identified a large number of species in the plant and animal…
- Clotting of blood is
- Fibrinogen is present in
- What are the symptoms of retinal deficiency?
- The nerve messages enter the cell through the
- Vestigeal organs are those which are
- Riboflavin is otherwise known as
- The science of improving the hereditary qualities of future generations of mankind is referred to as
- Biological control is to check growth of
- What is the colour of the outer portion of the spinal cord?
- The pH of normal urine of man ranges from
- Hypogeal germination is found in
- Warm-bloodedness
- Viruses have
- Intravascular clotting of blood is known as
- Which one is a water-soluble vitamin?
- Maize is attacked by
- The development of new organs is termed
- Green plants In the sea are useful for respiration of flash because they
- The aphotic zone means that light is
- Memory is the responsibility of
- The theory of 'jumping genes' was propounded by