Pyrethrum does not have a residual action like DDT or other synthetic insecticides. So, most space sprays contain pyrethrum and DDT for synergistic action.
Pyrethrum is a natural insecticide of vegetable origin. It is extracted from the flowers of Chrysanthemum cinerariafolium. It kills adult mosquitoes and other insects instantly on mere contact.

The Sanchol cholera vaccine is a bivalent vaccine given in 2 liquid doses orally to children >=1 year of age.
The Sanchol cholera vaccine is a bivalent oral cholera vaccine (OCV) that targets both Vibrio cholerae 01 and Vibrio cholerae 0139 serogroups, which are the primary causes of cholera outbreaks. It is designed to provide immunity by stimulating the production of antibodies in the intestines, the site of infection.

Correct Answer – Comprehensiveness
Comprehensive health care as stated by the Bhore committee means giving integrated preventive, curative, and promotional health care to every individual, irrespective of their ability to pay.

The time interval between the receipt of infection by a host and the maximal infectivity of that host is known as the generation time.
The time of maximum communicability may precede or follow the incubation period.

According to the WHO, blindness is defined as visual acuity of less than 3/60.
The leading causes of vision impairment and blindness are uncorrected refractive errors and cataracts
Distance vision impairment:
• Mild – visual acuity worse than 6/12 to 6/18
• Moderate – visual acuity worse than 6/18 to 6/60
• Severe – visual acuity worse than 6/60 to 3/60
• Blindness – visual acuity worse than 3/60

Injectable contraceptive medroxyprogesterone acetate (MPA) is introduced under the Antara program.
The dosage is 150 mg I.M every 3 months. This injectable contraceptive is not to be refrigerated. It is to be stored always at room temperature (15-30 degree centigrade).

Each community (CHC) covers a population of 80,000 to 1,20,000 and has a minimum of 30 beds.
Services of CHC:
Care of routine and emergency cases in medicine and surgery
Maternal, newborn, and child health
Family planning
All the National Health Programme functions
Oral health
Physical medicine and rehabilitation (PMR)
School and adolescent health services
Blood storage facility
Diagnostic services
Referral services
Maternal death review (MDR)

Correct Answer – Kata thermometer
Kata thermometer is used to measure the low air velocity rather than the cooling power of the air.
It was originally used to measure the cooling power of the air (air temperature, humidity, and air movement) but currently, it is used only as an anemometer to measure low air velocities.

The given image is of SAPANA for leprosy. Sapana refers to a local school-going girl who will help to spread awareness in the community.

For developing countries, HPI-1 is used, where the adult illiteracy rate is included, not the literacy rate.
HPI-2 is used for developed countries.
Human poverty index (HPI) measures deprivation in basic dimensions of human development.