Ecosystems and Energy Flow — BIOLOGY STD 12 Science — Question

In plants, sex determination is due to:

Which primitive man used stones to produce fire?

Blue eye colour is recessive to brown eye colour. A brown eyed man whose mother was blue eyed marries a blue eyed women. The children shall be.

Many diseases can be diagnosed by observing the symptoms in the patient. Which group of symptoms are indicative of pneumonia?

Left atrioventricular aperture is guarded by …………………..

The word chroma means ……………….

Choose an incorrect statement:

The sequence of communities of primary succession in water is:

When phenotypic and genotypic ratios are the same, then it is an example of ……………….

If parathyroid gland of man Eire removed, the specific result will be …………….