Tag: tissues - "the teams of workers"

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Multiple choice botany plant tissues introduction to tissue tissues - "the teams of workers" introduction to tissues

Compound tissue is defined as.

  1. Similar types of cells held together by connective tissue

  2. Different types of cells which are different in structure and function

  3. Different types of cells performing one function

  4. Similar cells at different regions performing many functions
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A compound tissue (or complex tissue) consists of more than one type of cell working together to perform a common function, such as xylem or phloem in plants.

Multiple choice botany plant tissues introduction to tissue tissues - "the teams of workers" introduction to tissues

Histology is study of

  1. Tissues

  2. Cells

  3. Structures discernible with naked eyes

  4. Changes in form and structure during development
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  1. Cytology is the branch of biology that deals with the structure of a cell.
  2. Histology is the branch of biology that deals with the study of microscopic anatomy or tissue.
  3. Morphology is the study of structure discernible with a naked eye.
So the correct option is 'Histology'

Multiple choice botany plant tissues introduction to tissue tissues - "the teams of workers" introduction to tissues

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues -

  1. Stem and root

  2. All parts

  3. Shoot tips and root tips

  4. Flowers, fruit and leaves
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
In a woody dicotyledonous tree, the meristems which occur at tips of roots and shoots produce primary tissues and are called apical meristems.
So, the correct answer is 'Shoot tips and Root tips'.
Multiple choice botany plant tissues introduction to tissue tissues - "the teams of workers" introduction to tissues

State whether the following statements are true or false.
An extracellular matrix helps some cells to adhere to neighbouring cells.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Extracellular matrix is the network of macromolecules like collagen, enzymes etc, which provide structural support to the cells. They help in the formation of tissues and organs. Extracellular matrix functions as cell adhesive as they are helpful in the interaction between cells and matrix.

So, the correct statement is 'True'.

Multiple choice botany plant tissues introduction to tissue tissues - "the teams of workers" introduction to tissues

The systems in an organism work independently.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Systems present in your body are the circulatory, respiratory, muscular, digestive, integumentary, endocrine, reproductive, and nervous systems. All of these systems have specific functions but they cannot function independently, meaning that they rely on all the other systems in order to work properly.

So, the correct answer is 'False'.
Multiple choice botany plant tissues introduction to tissue tissues - "the teams of workers" introduction to tissues

We do not sense any pain when we clip our nails or cut our hair. Why?

  1. They are made up of dead cells.

  2. These parts are senseless.

  3. They are very strong to tolerate pain.

  4. None of these.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Hairs and nails are made of dead tissues. Only the base of the hair and the base of the nail are living. 
  • The dead tissues are devoid of the nerve supply which acts as messengers to convey the sensation of pain and in their absence, it cannot be perceived by our brain. 

  • Thus, the correct answer is option A.