HSC Science कक्षा ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Zoology

Select the correct biological term.

The substances which gives red cells their colour.

The hormone which helps in the reabsorption of water in kidney tubules is ______.

What vessels carry blood to the kidneys? Is this blood arterial or venous?

Which vessels drain filtered blood from the kidneys?

How are the kidneys involved in controlling blood volume? How is the volume of blood in the body related to arterial pressure?

Name the three main hormones involved in the regulation of the renal function?

What is the function of antidiuretic hormone? Where is it produced and what stimuli increases or decreases its secretion?

Explain the heart’s role in secreting a hormone that regulates renal function? What hormone is this?

The protein present in the thick filament is ______.

The protein present in the thin filament is ______.

Name the contractile proteins present in the skeletal muscle.

Assertion: Nuptial flight is a unique flight taken the queen bee followed by several drones.

Reason: The queen bee produces a chemical substance called pheromone. The drones in that area are attracted to the pheromone and then mating takes place.

Rearing of honey bee is called ______.

Name the three castes in a honey bee colony

Name the following:

The largest bee in the colony.

Name the following:

The kind of flight which the new virgin queen takes along with the drones out of the hive.

What are the main duties of a worker bee?

What happens to the drones after mating flight?

Define cross-breeding.

Blood smear is used to study