TN State Board Samacheer Kalvi Online Test for 11th Std - Bio Zoology - English - Principles of Inheritance and Variation

Question 1 Of 10

“Universal Donor” and “Universal Recipients” blood group are ……………… and ……………… respectively.

AB, O O, AB A, B B, A

Question 2 Of 10

Identify the proper ratio of normal visioned individuals against colorblind individuals, if colorblind carrier female marries a normal male.

1 : 1 3:1 1 : 3 All four are normal visioned

Question 3 Of 10

Klinefelters’ syndrome is characterized by a karyotype of………………

XYY XO XXX XXY

Question 4 Of 10

Identify the incorrect statement regarding haplodiploidy.

Unfertilized eggs develop into drones Fertilized eggs develop into queen and worker bees Males have half the total chromosomal number Haplodiploidy is noticed in honeybees and drosophila

Question 5 Of 10

Pick out the odd man.

Klinefelter’s syndrome Turner’s syndrome Huntington’s chorea 13-Trisomy

Question 6 Of 10

Which of the following is not correct?

Three or more alleles of a trait in the population are called multiple alleles. A normal gene undergoes mutations to form many alleles Multiple alleles map at different loci of a chromosome A diploid organism has only two alleles out of many in the population

Question 7 Of 10

Multiple alleles are located……………………

at different loci on homologous chromosome at same locus on homologous chromosome at different loci on non-homologous chromosome at different chromosomes

Question 8 Of 10

DOPA stands for ……………….

3,4- dihydroxy phenylacetate 3, 4 – dihydroxy phenylalanine 3,4- dihydroxy phenyl aspartate 3, 4- dihydroxy phenol aldehyde

Question 9 Of 10

Which of the following is true about Rh factor in the offspring of a parental combination DdXDd (both Rh positive)?

All will be Rh positive Half will be Rh positive About 3/4 will be Rh negative About one fourth will be Rh negative

Question 10 Of 10

The type of antibody generated against Rh antigen is ….

IgE IgG IgA IgB

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Bio Zoology - English Medium - Principles of Inheritance and Variation

Samacheer Kalvi 11th Bio Zoology - Principles of Inheritance and Variation - Book Back Questions in English Medium