STD 11 - 16. Excretory product and their elimination — NEET STD 11 Science — Question

Axons form nerve in

The heart beat increases at the time of interview due to

Which one of the following statement are correct.
(i) Mendel's experiments had small sample size which gave greater credibility to the data.
(ii) A true breeding line shows a stable trait inheritance and expression for several generations.
(iii) A recessive parental trait is expressed only in its heterozygous condition.
(iv) Failure of segregation of chromatids during cell division results in aneuploidy.
(v) Chromosomal disorders are mainly determined by alteration or mutation in a single gene.
(vi) Thalasemia and cystic fibrosis are Mendelian disorders.
(vii) Sickle cell anemia is an X-linked trait.
(viii) Incomplete or mosaic inheritance is an example of pre-Mendelian concept of blending inheritance.
(ix) Test cross is a special type of back cross.
(x) Chromosomal aberrations are commonly observed in cancer cells.

Gonadotrophic hormones are produced in the

Forearm is rotated to turn palm downward or backwards by muscle:

What would happen if oxygen availability to activated sludge flocs is reduced ?

A severe fall in blood pressure disturbs the function of kidneys and reduces

Crude number of birth by a population per unit time is called