The age of a tree can be determined by
counting the number of annual rings
thickness of the bark
the bulk of the tree
the number of leaves
- Insect pollination is known as
- Which one is called anti-haemorrhagic vitamin?
- The insects do not have blood pigments because
- The science of improving the hereditary qualities of future generations of mankind is referred to as
- The muscles of the heart are
- The saliva contains an enzyme called
- The waste product In the urine of man is
- The age of a tree can be determined by
- Infection of salivary glands by a virus leads to
- Which one is a water-soluble vitamin?
- The study of heart is called
- The bacteria that gets into our body is consumed by
- Mutations could be created by X-rays. This was found by
- The plants will stop growing if the shoot tip is cut off because
- Charles Darwin was influenced in his work by
- Lamarck's theory of inheritance of acquired characters was challenged by
- Sadabahar, a common weed, is the raw material that provides the source of medicines used In the treatment…
- Pacemaker is the
- Which among the following diseases is not caused by viral infection?
- Agroecology relates
- Blood platelets are found in
- Saffron is the dried ________ of the saffron plant.
- Blood of cockroach is
- The Green Revolution in India owes much to
- The theory of 'jumping genes' was propounded by
- The larva of the housefly is called
- The rate of growth of plants can be measured by a/an
- Waldeyer gave the name
- Vitamins A and C are predominantly present in
- Most of the enzymes are