Zoology - Online Test

Q1. The teeth occur in human beings are
Answer : Option A
Explaination / Solution:

Each tooth is embedded in a socket of jaw bone called thecodont. Human being forms two sets of teeth during their life temporary milk or deciduous teeth replaced by a set of permanent or adult teeth called diphyodont. An adult human has 32 permanent teeth which are of four different types called heterodont.

Q2. The disease causing microorganisms are called
Answer : Option A
Explaination / Solution:

A number of bacteria, fungi, virus etc. cause disease in human beings. These disease causing microbes are called pathogens.

Q3. The first clinical gene therapy was done for the treatment of
Answer : Option C
Explaination / Solution:
No Explaination.


Q4. Match the list-I with list-II list-I list-II

p. Adenohypophysis i. Epinephrine

q. Adrenal medulla ii. Somatotropin

r. Parathyroid gland iii. Thymosin

s. Thymus gland iv. Calcitonin

Answer : Option D
Explaination / Solution:
No Explaination.


Q5. Classification of sponges is primarily based on the
Answer : Option C
Explaination / Solution:
No Explaination.


Q6. Nissl’s granules are absent in :
Answer : Option B
Explaination / Solution:

Nissl’s grains are mainly present in cyton and dendrite. These granules are rough endoplasmic reticulum with rosettes of free ribosome, the site for protein synthesis. It is absent in axon.

Q7. All populations in a given physical area are defined as
Answer : Option A
Explaination / Solution:
No Explaination.


Q8. New cells generate from
Answer : Option C
Explaination / Solution:

All living organisms are composed of cells and products of cells.all cells arise from pre-existing cells.

Q9. Genetic information is carried out by long chain molecule made up of
Answer : Option C
Explaination / Solution:

Genetic information is carried out by DNA and RNA. Both DNA and RNA are called genetic material, made up of long chain of nucleotide having- nitrogenous base, sugar and phosphate ions.

Q10. The length of human trachea is about
Answer : Option B
Explaination / Solution:
No Explaination.