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

Roundworms differ from flatworms in having a

In Mendel experiment he crossed tall and dwarf pea plant to study inheritance of one.....

Choose correct option for given statements :
(i) In a given population frequency of alleles of a gene or a locus is supposed to remain fixed through generations if population present in equilibrium.
(ii) Directional selection known to affect Hardy Weinberg equilibrium.
(iii) If migration occurs by chance, it is called genetic drift.
(iv) Sometimes the change in allele frequency is so different in the new sample of population that they become a different species.
(v) The original drifted population becomes founders of life in a new area and the effect is called founder effect.
(vi) Natural selection can lead to directional if more individuals acquire mean character value of the distribution curve.

Granulocytes are formed in

The typical Lubb-Dup sounds heard in the heart beat of a healthy person are due to

The dissociation curve is associated with

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.