Hormones that are injected one every three months that release slowly and prevent ovulation are ----

Given below are the three statements each with one or two blanks. Select the option which correctly fills up of the blank in any two statements. A. Inbreeding helps in accumulation of ul(i) and elimination of ul(ii) . B. In MOET a cow is administered hormones, with ul(i) like activity, to induce follicular maturation and super ovulation. C. Hisardale is a new breed of sheep developed in Punjab by crossing ul(i) and ul(ii) .

Consider the following statement and select the option stating which ones are true (T) and which ones are false (F) (i) Emigration is the movement of individuals out of a place or country (ii) Combined contraceptive pills contain synthetic progesterone and estrogen to check ovulation (iii) Depo-Provera are estrogen derivative injections (iv) The scientific study of human population is called demography.

Read the following statements and select the correct ones. (i) Vaccine is a preparation (or suspension ) of a dead/attenuated pathogen of a disease which on inoculation ( or injection ) into a healthy person, provides temporary/permanent active immunity by inducing antibodies formation. (ii) Immunisation is the process by which the body produces antibodies against the vaccine preventable diseases through administration of specific vaccines. (iii) The principle of immunisation or vaccination is based on the property of 'memory' of the immune system. iv) If a person is infected with some deadly microbes to which quick immune response is required; in that case, we need to directly inject the performed antibodies or antitoxins e.g., in case of tetanus.

Express in one or two word(s) Name a hormone releasing IUD.

Assertion : In malaria, a person experiences chills and high fever recurring every three to four days. Reason : This is caused by the release of haemozoin with rupture of liver cells.