Write the differences : Vitamin `A_1` and Vitamin `A_2`

Write the differnces : Vitamin D_2 and Vitamin D_3

Write down the advantages of vitamin A in vision?

Write the deficiency symptoms of vitamin D

Name the anti-vitamin of vitamin A

In each following cases, the amplitude of the first two oscillations A_1 and A_2 of a damped pendulum are given. What will be the amplitude of the pendulum in its third oscillation? (i) A_1=3.0 cm. A_2=2.4 cm (ii) A_1=5.0 cm, A_2=4.9 cm (iii) A_1=4.0 cm, A_2=2.0 cm

Below write the names of different dificiency diseases. Vitamin B complex deficiency = _________

Below write the names of different dificiency diseases. Vitamin D deficiency = ___________

Below write the names of different dificiency diseases. Vitamin A dificiency = ___________

Name the vitamin which is known as 'Antirachitic' agent. Write the scientific name of that vitamin. Name the provitamin of this vitamin. Discuss the consequences of deficiency of this vitamin in children.