STD 12 - 7. human health and disease — BIOLOGY STD 12 Science — Question

Reason of lung cancer is:

Dicot embryo consists of

A normal­visioned man whose father was colour­ blind, marries a woman whose father was also colour­blind. They have their first child as a daughter. What are the chances that this child would be colour­ blind ?

Seminal plasma, the fluid part of semen is formed:

Pollutant which causes acid rain is

If mating is random, population is large and mutation does not occur; then gene frequencies of population from generation to generation remain constant. This was put forwarded by

Mother and father of a person with ‘O’ blood group have ‘A’ and ‘B’ blood group respectively. What would be the genotype of both mother and father?

What will happen to a well growing herbaceous plant in the forest if it is transplanted outside the forest in a park?

Stirred-tank bioreactors have advantages over shake flasks because they

Column-A of the table below lists various aspects of reproductive health and information related to them is also given in Column-B:

Column-I Methods	Column-II Working Methods
P. M.T.P.	i. Analysis of foetal cells in amniotic fluid
Q. Amniocentesis	ii. Legal acceptance in 1971
R. SAHELI	iii. Program launched in 1951
S. Family planning	iv. Nonsteroidal oral contraceptive