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

Podocytes are the cells present on the ______.

Malpighian tubules remove excretory products from ______.

Identify the biological term

Removal of unwanted substances from the body.

Differentiate protonephridia from metanephridia.

Differentiate cortical from medullary nephrons.

Muscles are derived from  ______.

Muscles are formed by ______.

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.

Which one of the following is not related to vermiculture?

1. Maintains soil fertility 
2. Breakdown of inorganic matter
3. Gives porosity, aeration and moister holding capacity 
4. Degradation of non biodegradable solid waste

Which one of the following is not an endemic species of earthworm?

Write the advantages of vermicomposting.

Foetus development can be observed using ____________.

PET scan uses ____________.