Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 5420
TLS Online TPP Program

#Question id: 5682

During prevention of polyspermy in sea urchin the shift from ___1___ to __2____is the result of a small influx of Na+ into the egg through newly opened sodium channels. Sperm cannot fuse with egg cell membranes that have a ___3___ resting potential, so the shift means that no more sperm can fuse to the egg.

#Unit 5. Developmental Biology

  1. 1-Negative, 2-positive, 3-positive

  2. 1-Positive, 2-negative, 3-positive

  3. 1-Negative, 2-negative, 3-positive

  4. 1-Positive, 2-positive, 3-negative

More Questions
TLS Online TPP Program

#Question id: 5407

#General Aptitude

The average age of husband, wife and their child 1 years ago was 23 years and that of wife and the child 2 years ago was 15 years. The present age of the husband (in years) is:
TLS Online TPP Program

#Question id: 6640

#General Aptitude

Choose the group of letters which is different from others.
TLS Online TPP Program

#Question id: 2548

#Unit 2. Cellular Organization

The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics are common to all of these extracellular structures?
TLS Online TPP Program

#Question id: 14504

#Unit 13. Methods in Biology

If the probability of a defective bolt is 0.1, the mean and standard deviation for the distribution of defective bolts in a total of 500 are
TLS Online TPP Program

#Question id: 19305

#Unit 12. Applied Biology

If 35S promoter is fused with Adh-I introns sequences ensures