HSC Science Class 12 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Zoology

The mature sperms are stored in the ____________.

The male homologue of the female clitoris is ____________.

What is inhibin?

Mention the importance of the position of the testes in humans.

What is the composition of semen?

The first life on earth originated ____________.

List out the major gases that seem to be found in the primitive earth.

Malaria caused by Plasmodium is transmitted through ____________.

A 30 year old woman has bleedy diarrhoea for the past 14 hours, which one of the following organisms is likely to cause this illness?

Which of the following disease is spread through droplet nuclei?

Exo-erythrocytic schizogony of Plasmodium takes place in ____________.

The sporozoites of Plasmodium vivax are formed from ________.

Poliomyelitis which causes infantile paralysis enters the body through ____________.

The Athlete’s foot disease in human is caused by ____________.

The sporozoite of the malarial parasite is present in _______.

Haemozoin is ____________.

Where do the following events in the life cycle of Plasmodium takes place?

a) Fertilization - _________

b) Development of gametocytes - __________ 

c) Release of sporozoites - ________

d) Schizogony - _________

Match the pathogens with respective diseases caused by them and select the correct match using the codes given below.

Complete the following table:

List the causative agent, mode of transmission and symptoms for Diphtheria and Typhoid.