Strategies for Enhancement in Food Reproduction — BIOLOGY STD 12 Science — Question

Which of the following species of honey bee i reared most commonly in apiaries?

The eggs of which parasite are bile stained:

Species which occupy a similar ecological niche in similar communities occupying different biogeographical regions are

Seeds of maize is a:

Suresh and Rajesh have defective haemoglobin due to genetic disorders. In Suresh, the problem is qualitative as he is having incorrectly functioning globin molecules while in Rajesh the problem is quantitative as he is having very few globin molecules. Identify the disorder they are suffering from.

	Suresh	Rajesh
A	Thalassemia - Autosomal Dominant blood disorder	Sickle Cell Anaemia - Autosomal linked Recessive trait
B	Sickle Cell Anaemia - Autosomal linked Dominant trait	Thalassemia - Autosomal Recessive blood disorder
C	Sickle Cell Anaemia – Autosomal linked Recessive trait	Thalassemia – Autosomal Recessive blood disorder
D	Thalassemia - Autosomal Dominant blood disorder	Sickle Cell Anaemia - Autosomal linkedDominant trait

Presence of gills in the tadpole of frog indicates diat.

The correct order of milk secretion from the mammary gland is:

Degeneracy of the genetic code denotes the existence of:

The inheritance pattern of a gene over generations among humans is studied by the pedigree analysis. Character studied in the pedigree analysis is equivalent to: