TN State Board Samacheer Kalvi Online Test for 12th Std - Bio Botany - English - Chromosomal Basis of Inheritance

Question 1 Of 10

How many map units separate two alleles A and B if the recombination frequency is 0.09?

900 cM 90 cM 9 cM 0.9 cM

Question 2 Of 10

Due to incomplete linkage in maize, the ratio of parental and recombinants are

50:50 7:1:1:7 96.4: 3.6 1:7:7:1

Question 3 Of 10

Changing the codon AGC to AGA represents

missense mutation nonsense mutation frameshift mutation deletion mutation

Question 4 Of 10

The point mutation sequence for transition, transition, transversion and transversion in DNA are

A to T, T to A, C to G and G to C A to G, C to T, C to G and T to A C to G, A to G, T to A and G to A G to C, A to T, T to A and C to G

Question 5 Of 10

Assertion (A): Gamma rays are generally use to induce mutation in wheat varieties.
Reason (R): Because they carry lower energy to non-ionize electrons from atom

A is correct. R is correct explanation of A A is correct. R is not correct explanation of A A is correct. R is wrong explanation of A A and R is wrong

Question 6 Of 10

Accurate mapping of genes can be done by three point test cross because increases

Possibility of single cross over Possibility of double cross over Possibility of multiple cross over Possibility of recombination frequency

Question 7 Of 10

If haploid number in a cell is 18. The double monosomic and trisomic number will be

35 and 37 34 and 38 37 and 35 17 and 19

Question 8 Of 10

Genes G S L H are located on same chromosome. The recombination percentage is between L and G isT5%, S and L is 50%, H and S are 20%. The correct order of genes is

GHSL SHGL SGHL HSLG

Question 9 Of 10

Which of the following sentences are correct?

1 and 2 2 and 3 3 and 4 1 and 4

Question 10 Of 10

An allohexaploidy contains

Six different genomes Six copies of three different genomes Two copies of three different genomes Six copies of one genome

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Bio Botany - English Medium - Chromosomal Basis of Inheritance

Samacheer Kalvi 12th Bio Botany - Chromosomal Basis of Inheritance - Book Back Questions in English Medium

Question 1 Of 10

How many map units separate two alleles A and B if the recombination frequency is 0.09?

Question 2 Of 10

Due to incomplete linkage in maize, the ratio of parental and recombinants are

Question 3 Of 10

Changing the codon AGC to AGA represents

Question 4 Of 10

The point mutation sequence for transition, transition, transversion and transversion in DNA are

Question 5 Of 10

Assertion (A): Gamma rays are generally use to induce mutation in wheat varieties.
Reason (R): Because they carry lower energy to non-ionize electrons from atom

Question 6 Of 10

Accurate mapping of genes can be done by three point test cross because increases

Question 7 Of 10

If haploid number in a cell is 18. The double monosomic and trisomic number will be

Question 8 Of 10

Genes G S L H are located on same chromosome. The recombination percentage is between L and G isT5%, S and L is 50%, H and S are 20%. The correct order of genes is

Question 9 Of 10

Which of the following sentences are correct?

Question 10 Of 10

An allohexaploidy contains

Tags

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Bio Botany - English Medium - Chromosomal Basis of Inheritance

Samacheer Kalvi 12th Bio Botany - Chromosomal Basis of Inheritance - Book Back Questions in English Medium

Question 1 Of 10

How many map units separate two alleles A and B if the recombination frequency is 0.09?

Question 2 Of 10

Due to incomplete linkage in maize, the ratio of parental and recombinants are

Question 3 Of 10

Changing the codon AGC to AGA represents

Question 4 Of 10

The point mutation sequence for transition, transition, transversion and transversion in DNA are

Question 5 Of 10

Assertion (A): Gamma rays are generally use to induce mutation in wheat varieties. Reason (R): Because they carry lower energy to non-ionize electrons from atom

Question 6 Of 10

Accurate mapping of genes can be done by three point test cross because increases

Question 7 Of 10

If haploid number in a cell is 18. The double monosomic and trisomic number will be

Question 8 Of 10

Genes G S L H are located on same chromosome. The recombination percentage is between L and G isT5%, S and L is 50%, H and S are 20%. The correct order of genes is

Question 9 Of 10

Which of the following sentences are correct?

Question 10 Of 10

An allohexaploidy contains

Tags

Assertion (A): Gamma rays are generally use to induce mutation in wheat varieties.
Reason (R): Because they carry lower energy to non-ionize electrons from atom