Practice Questions

TLS Online TPP Program

#Question id: 11987

A cage containing male mosquitoes has a small earphone placed on top, through which the sound of a female mosquito is played. All the males immediately fly to the earphone and thrust their abdomens through the fabric of the cage. What is the best explanation for this behavior?

#SCPH28 | Zoology

The males learn to associate the sound with females.
Copulation is a fixed action pattern, and the female flight sound is a sign stimulus That initiates it.
The sound from the earphone irritates the male mosquitoes, causing them to attempt to sting it.
The reproductive drive is so strong that when males are deprived of females, they will attempt to mate with anything that has even the slightest female characteristic.

More Questions

TLS Online TPP Program

#Question id: 4366

#SCPH28 | Zoology

Which of the following is the correct order of addition of general transcription factors to the initiation complex?

TLS Online TPP Program

#Question id: 15195

#SCPH06 I Botany

In the following pedigree shows the segregation of two different recessive traits.

Assuming that both traits are due to linked autosomal genes that are 10 cM apart, calculate the probability that the indicated child will have both recessive traits.

TLS Online TPP Program

#Question id: 4172

#SCPH05 I Biotechnology

Which statement is true about the number of initiation and STOP codons?

TLS Online TPP Program

#Question id: 1424

#SCPH28 | Zoology

Gain-of-function mutations in which of the following genes typify colorectal carcinomas?

TLS Online TPP Program

#Question id: 2958

#SCPH01 Biochemistry

Which of the following structures is not a feature of the mitotic chromosome?