STD 11 - 15. Body fluids and criculations — NEET STD 11 Science — Question

The idea of use and disuse of organs was given by

Ringworm in humans is caused by

Which of the following is not included under barrier methods of birth control?

Which of the following is associated with decrease in cardiac output?

Osteoprosis, an age-related disease of skeletal system, may occur to

Which of the following events is not associated with ovulation in human female?

What is the value of tidal volume in a normal healthy man?

The recently discovered hormones, melatonin and serotonin are secreted at ends of nerve fibres by the activity of

Hepatic portal system is present in

Consider the statements given below regarding contraceptive methods.
i. The chances of conception are generally nil until mother breast - feeds the infant up to 2 years.
ii. Intra uterine devices like copper-Tare effective contraceptives.
iii. Contraception pills may be taken up to 1 week after coitus to prevent conception.
Select the option with correct statements.