HSC Science इयत्ता ११ - Tamil Nadu Board of Secondary Education Question Bank Solutions

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 ____________.

Enumerate the uses of stethoscope.

Sea anemone belongs to phylum ______.

What are the four characteristics common to most animals?

List the characteristic features that distinguish cartilaginous fishes with living jawless fishes.

The main function of the cuboidal epithelium is

The ciliated epithelium lines the______.

Prevention of substances from leaking across the tissue is provided by ______.

Some epithelia are pseudostratified. What does this mean?

Name any four important functions of epithelial tissue and provide at least one example of a tissue that exemplifies each function.

What is an epithelium? Enumerate the characteristic features of different epithelia.