STD 12 - 7. human health and disease — NEET STD 11 Science — Question

Which one is a hereditary trait

Which of the following statements are correct regarding origin and evolution of man ?
(i) About 15 mya, primates called Dryopithecus and Ramapithecus were existing.
(ii) Two mya, Australopithecines probably lived in East African grasslands.
(iii) Homo erectus probably lived about 1.5 mya which had a large brain around between 650- 800 cc.
(iv) The Neanderthal man with a brain size of 1600 cc lived in near east and central Asia between 1,00,000 - 40,000 years back.
(v) During ice age between 75,000-10,000 years ago modern Homo sapiens arose.
(vi) Pre-historic cave art developed about 18,000 years ago.
(vii) Agriculture came around 10,000 years back and human settlements started.

The conversion of dangerous nitrogenous waste into less toxic excretory matter is carried out in man in the

Which of the following is not related to chromosomal aberration

Heart beat is controlled by a nodal tissue which is made up of specialised cardiac muscles, called

Alleles of different genes that are on the same chromosome may occasionally be separated by a phenomenon known as

At present total population of the world is about

Which of the following immunoglobulins does constitute the largest percentage in human milk ?