Human Health and Disease — BIOLOGY STD 12 Science — Question

During origin of life, nucleoprotein gave most probably the first sign of:

The concept that the species have changed over a long period of time is known as

Which of the following statements is incorrect?

The immature male germ cell undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above:

Match the following list of bioactive substances and their roles:

	Bioactive Substance		Role
i.	Statin	a.	Removal of oil stains
ii.	Cyclosporin A	b.	Removal of clots from blood vessels
iii.	Streptokinase	c.	Lowering of blood cholesterol
iv.	Lipase	d.	Immuno-suppressive agent

Choose the correct match:

Which of the following can’t be taken as the symptom of a female suffering from gonorrhea?

Germ pores can be traced in ................

If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is:

Biodiversity is classified into many parts based on the ecological relationships of living organisms: