Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which one of the following types of tissues will have contractile proteins?
Nervous tissue
Muscle tissue
Bone tissue
Blood tissue
Bryophytes are photosynthetic but do not have vascular tissue and true roots. This feature enables them to resemble with which of the following?
Fungi
Algae
Pteridophytes
Angiosperms
Which one of the following statements about meristematic tissues in plants is correct?
These are dead tissues and form wood
They provide exibility to plant due to their thickened walls
These are present in the bark of a tree only
Growth occurs in plants due to the division of cells of these tissues
Which of the following statements is incorrect?
1) Parenchyma tissues have intercellular spaces.
2) Collenchymatous tissues are irregularly thickened at corners.
3) Apical and intercalary meristems are permanent tissues.
4) Meristematic tissues, in its early stage, lack vacuoles.
Choose from the options given below:
1 and 2
Only 3
3 and 4
Only 2
Which one among the following structures or cells is not present in connective tissues?
Chondrocytes
Axon
Collagen bre
Lymphocytes