Available Answers

1. 1.

   Choose the most appropriate answer.

   1. These cells line the inner walls of the blood vessels lungs, heart and oesophagus.
      1. squamous epithelium
      2. cuboidal epithelium
      3. columnar epithelium
      4. blood
   2. Tissue that forms the external covering as well as the lining of the internal organs is
      1. muscular tissue
      2. nervous tissue
      3. connective tissue
      4. epithelial tissue
   3. Involuntary muscles have
      1. squamous epithelium
      2. columnar epithelium
      3. cuboidal epithelium
      4. none of these
   4. Involuntary muscles have
      1. no nucleus
      2. one nucleus
      3. two nuclei
      4. many nuclei
   5. Cardiac muscles are
      1. spindle-shaped
      2. cylindrical
      3. cylindrical and branched
      4. spherical
   6. Muscles which work continuously and tirelessly are
      1. voluntary muscles
      2. involuntary muscles
      3. cardiac muscles
      4. all of these
   7. Dendrons in a neuron further divide  to form
      1. cyton
      2. bones
      3. axon
      4. dendrites
   8. White fibrous tissue is found in 
      1. tendons
      2. ligaments
      3. bones
      4. cartilages
   9. Connective tissue which acts as a packing material around organs is
      1. yellow fibrous tissue
      2. white fibrous tissue
      3. areolar tissue
      4. cartilage
   10. Bone is a type of
       1. skeleton tissue
       2. nervous tissue
       3. connective tissue
       4. muscular tissue
2. 2.

   Fill in the blanks.

   1. _________________________ is the most widely distributed connective tissue in the animal body.
   2. Axon is part of a ___________________________ cell
   3. The intercellular spaces in connective tissue are filled by _____________________
   4. The muscles of heat are ____________________ muscles.
   5. _______________________ tissue acts as apacking material around organs.
3. 3.

   Give one word for the following.

   1. These muscles are also called skeletal muscles.
   2. Nervous tissue consists of these long nerve cells.
   3. It is the central part of a neuron.
   4. Dendrons further divide to form these.
   5. This tissue is primarily located beneath the skin and store energy in the form of fat.
   6. These blood cells help in clotting of blood.
   7. These cells are found in cartilge.
4. 4.

   State if the following statements are true or false. Rewrite the false statements correctly.

   1. Epithelial tissue is divided into different types on the basis of the size of the cells.
   2. Voluntary muscle are not under the control of animals.
   3. Involuntary muscles do not have any bands or striations, hence these are also called unstriated muscles.
   4. In cartilage, the cells are present in fluid-filled spaces called vacuoles.
   5. The fluid matrix is present is present in cartilage.
   6. Connective tissue provides support to the body of vertebrates.
   7. All internal organs of the body have cardiac muscles.
   8. Blood consists of a straw-coloured fluid matrix called plasma in which three types of cells are present.
5. 5.

   Circle the odd one out. Give reasons for  your choice.

   1. Involuntary muscles, cardiac muscles, voluntary muscles , parenchyma
   2. sclerenchyma, parenchyma, blood, collenchyma
   3. areolar tissue white fibrous tissue, cartilege, yellow fibrous tissue
   4. chondrocytes, osteocytes, leucocytes, lacunae
6. 6.

   Differentiate between Epithelial tissue and Connective tissue.