Practice Questions

TLS Online TPP Program

#Question id: 11982

Which of the following is a behavioral pattern that results from a proximate cause?

#Unit 10. Ecological Principles

A cat kills a mouse to obtain food.
A male sheep fights with another male because it helps it to improve its social position and find a mate.
A female bird lays its eggs because the amount of daylight is decreasing slightly each day.
A goose squats and freezes motionless because that behavior helps it to escape a predator.

More Questions

TLS Online TPP Program

#Question id: 4794

#Unit 8. Inheritance Biology

Following statement given for a character

A- Characteristics are determined by autosomal genes

B- Inherited according to Mendel’s principles

C-they are different expressivity in males and females

Which of the following having above statements feature?

TLS Online TPP Program

#Question id: 4797

#Unit 8. Inheritance Biology

Non allelic genotype aa governing white phenotype with recessive epistatic over non allelic gene B for red phenotype Which of the following cross would produce 25 % white phenotype in their offspring?

TLS Online TPP Program

#Question id: 4725

#Unit 8. Inheritance Biology

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

TLS Online TPP Program

#Question id: 4781

#Unit 8. Inheritance Biology

Two non allelic gene P and Q governed Glume color in sorghum.

P= blakish purple

Q = raddish purple (dependent over P gene )

If heterozygous Raddish purple were cross with homozygous brown color .What are phenotypic ratio of progeny?

TLS Online TPP Program

#Question id: 15664

#Unit 8. Inheritance Biology

Which of the following statements regarding epigenetic inheritance is FALSE?

TLS Online TPP Program