HSC Science Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Zoology

What characteristics are used to identify the earthworms?

What are earthworm casts?

How do earthworms breathe?

Differentiate between peristomium and prostomium in earthworm.

Give the location of clitellum and spermathecal openings in Lampito mauritii.

Air moving from the nose to the trachea passes through a number of structures. List in order of the structures.

Arrange the following structures in the order that a drop of water entering the nephron would encounter them.

1. Afferent arteriole 
2. Bowman’s capsule 
3. Collecting duct 
4. Distal tubule
5. Glomerulus
6. Loop of Henle
7. Proximal tubule 
8. Renal pelvis

Kidney stones are produced due to deposition of uric acid and ______.

The type of movement exhibits by the macrophages are ______.

Name the different types of movement.

Examine the diagram of the two cell types A and B given below and select the correct option.

The respiratory centre is present in the ______.

The abundant intracellular cation is ______.

Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells?

Statements 

1. Cone cells are less sensitive in bright light than Rod cells
2. They are responsible for colour vision 
3. Erythropsin is a photo pigment which is sensitive to red colour light
4. They are present in fovea of retina

Which of the following statement concerning the somatic division of the peripheral neural system is incorrect?

Pleasant smell of food urged Ravi to rush into the kitchen. Name the parts of the brain involved in the identification of food and emotional responses to odour.

The choroid plexus secretes cerebrospinal fluid. List the function of it.

What is ANS? Explain the components of ANS.

The instrument used to measure blood pressure is ____________.

Normal diastolic blood pressure is ____________.