TLS Online TPP Program

#Question id: 19829


At the site of infection in plants accumulation of which compounds leads to host cell death

#Unit 12. Applied Biology
  1. Phytotoxin 

  2. Phytohormone
  3. Phytoalexin
  4. Phytochrome
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TLS Online TPP Program

#Question id: 3595

#Unit 8. Inheritance Biology

Ranch mink with the dark gray coat color known as Aleutian is homozygous recessive aa. Genotypes AA and Aa have the standard deep brown color. A mating of Aa  X Aa produces  four  pups. What is the probability of a perfect 3 : 1 distribution of standard to Aleutian?

TLS Online TPP Program

#Question id: 3596

#Unit 8. Inheritance Biology

Which of the following correct regarding test cross?

a) A testcross tests reveals the genotype of the individual

b)  Test cross detect linkage between gene

c) Same genotype and phenotype ratio present in test cross progeny

d) Phenotype ratio of test cross used to determine mode of inheritance either complete dominance or incomplete dominance

TLS Online TPP Program

#Question id: 3597

#Unit 8. Inheritance Biology

In a family of four children, what is the probability of obtaining the following numbers of boys and girls?

(a) All boys(b) All children of the same sex(c) two girls and two boy(d) three boys and one girls

TLS Online TPP Program

#Question id: 3598

#Unit 8. Inheritance Biology

Mendel crossed, round tall pea plants RRTT with wrinkle dwarf rrtt. The F1 plants were all round tall. These F1 plants were selfing, following genotype are selected from F2 generation

A- RrTT       B- RrTt        C- RRtt 

Which of the following decreasing frequency of this genotype?

TLS Online TPP Program

#Question id: 3599

#Unit 8. Inheritance Biology

In cats, blood type A results from an allele (A) that is dominant over an allele (B) that produces blood type B. There is no O blood type, following two cross are

a. blood type A X blood type B = 4 kittens with blood type A, 4 with blood type B

b. blood type A X blood type A = 6 kittens with blood type A, 3 kittens with blood type B. What are genotype of parent

TLS Online TPP Program

#Question id: 3600

#Unit 8. Inheritance Biology

Following is monohybrid cross for two character are given

Following some observation are Correct?

A) Incomplete dominance in flower color

B) Complete dominance in seed color

C) Flower color does not follow law of segregation

D) No blending inheritance in seed color