Monohar Pandey Solutions for Exercise 1: Exercise 1

The living content of cell is called protoplasm. It is composed of

Match the List I (Cell Wall Component) with List II (Tissues/Tissue System) and select the correct answer using the codes given below the lists.
        List I                           List II
A. Suberin                    $1.$Sclerenchyma
B. Lignin                      $2.$ Collenchyma
C. Pectin                      $3.$Epidermis
D. Cutin                       $4.$ Phellem

The monocot plants lack the process of grafting. It is mainly due to lack of

Which one among the following tissues can be used for the extraction of fibres?

Match List I (Joints) with List II (Examples) and select the correct answer using the codes given below the lists.
        List I                                   List II
A. Hinge joint                       1. Vertebrae
B. Sliding joint                      2. Pectoral girdle
C. Pivotal joint                      3. Radius ulna of forelimbs
D. Ball and socket joint         4. Knee

Which of the following statement(s) is/are wrong?
$1.$Cardiac muscles do not experience fatigue.
$2.$ Smooth muscles are uninucleate and involuntary.
$3.$ Gluteus maximus is the largest muscle of the human body.
$4.$ Smooth muscles contains many nuclei.

Consider the following statements
$1.$ Parenchyma tissue provides support to plant and also stores food.
$2.$ The flexibility in plants is due to collenchyma.
$3.$ Sclerenchyma makes the plant hard and stiff.
Which of the statements given above are correct?