Human Health and Diseases — BIOLOGY STD 12 Science — Question

For better survival of the human population which of the following steps is most important

Which of the following is heterozygous for two pairs of alleles

Colour blindness results from

The substance secreted by the corpus luteum is

The English scientist who worked on origin of life and then settled in India was:

Which of the following is not a hereditary disease?

A true breeding plant producing red flowers is crossed with a pure plant producing white flowers. Allele for red colour of flower is dominant. After selfing the plants of first filial generation, the proportion of plants producing red and white flowers in the progeny would be

Androgens are secreted by.