Choose the correct statements

(i) Atomic number = number of protons + number of electrons

(ii)Mass number = number of protons + number of neutrons

(iiiAtomic number = number of protons = number of neutrons

(iv)Atomic number = number of protons = number of electrons

TLS Online TPP Program

#Question id: 5027

#Unit 11. Evolution and Behavior

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.

TLS Online TPP Program

#Question id: 20999

#Unit 12. Applied Biology

C6-benzene, C7-toluene present in garden soil are usually biodegraded by which microorganism?

1. Arthrobacter

2. Hydrogenophaga

3. Pseudomonas

4. Rhodococcus

Which of the below combinations are correct?

TLS Online TPP Program

#Question id: 23034

#Unit 12. Applied Biology

Which of the following is a method of adding natural microbes?

TLS Online TPP Program

#Question id: 11127

#Unit 7. System Physiology – Animal

As the receptor potential rises higher above threshold, which of the following best characterizes the new frequency of action potentials?

TLS Online TPP Program

#Question id: 7001

#Unit 5. Developmental Biology

If the apical ectodermal ridge is surgically removed from an embryo, it will lose ________.