TLS Online TPP Program

#Question id: 5338


Which one of the following is not true for a disease inherited as a sex-linked dominant in humans?

#Unit 8. Inheritance Biology
  1. All daughters of an affected male will inherit the disease

  2. Sons will inherit the disease, only if their mother has the diseases

  3. Daughters will inherit the disease, only if their father has the diseases

  4. Both affected males and affected heterozygous females will pass the trait to half their children

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TLS Online TPP Program

#Question id: 4915

#Unit 8. Inheritance Biology

When an albino female plant of maize is crossed with normal green male plant, all plants in the progeny are albino because

TLS Online TPP Program

#Question id: 3427

#Unit 11. Evolution and Behavior

Natural selection can alter the frequency of distribution allele and heritable trait in different following way

A- Accumulation of those mutation that increase fitness of population in changing environment

B- Check accumulation of mutation that lower the fitness of species in unchanging environment

c- occur when population is subjected to divergent selection

TLS Online TPP Program

#Question id: 10695

#Unit 10. Ecological Principles

Consumer (+) and resource (-) interactions classified by the two factor

T- Duration or intimacy of the association between individuals

Kp- Probability that resource individuals will be killed

Which of the following some statement are correct?

A-  Value of T for Grazer is greater than parasite

B-  Value of Kp for predator is greater than parasite

C-  Value of Kp for parasite is greater than parasitoid

D-  Value of T for parasitoid is greater than predator


TLS Online TPP Program

#Question id: 1399

#Unit 4. Cell Communication and Cell Signaling

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

TLS Online TPP Program

#Question id: 3404

#Unit 11. Evolution and Behavior

A graph shows the frequency distribution of the character (body size). B graph shows the relation between body size and fitness, within one generation, and the third the expected change in the average for the character over many generations (if body size is inherited). Which of the following correct figure for Average size with respect to time?