Chromatin
Aster
Kinetochore
Primary constriction
✅ The correct answer is option C.
Biology MCQs
An increase in plant girth due to the activity of _____ is called secondary growth.
Cork cambium
Pith.
Vascular cambium.
Both a and c
✅ The correct answer is option D.
Each kinetochore gets ________ fibers in mitosis
5
4
3
2
✅ The correct answer is option D.
Vascular Cambium initially appears as actively dividing cells between:
Primary Xylem and secondary xylem.
Primary xylem and secondary phloem.
Primary xylem and primary phloem
Secondary xylem and secondary phloem.
✅ The correct answer is option C.
_________ respiration is directly involved in the production of energy, necessary for all living activities.
Organismic
Cellular
Both of these
None of these
✅ The correct answer is option B.
Sperms of liverworts, mosses, ferns move towards archegonia, in response to nucleic acid released by the ovum. This is an example of:
Chemotropic movement
Chemotactic movement.
Chemotactic movement
Hyponastic movement.
✅ The correct answer is option B.
______ respiration is the process by which cell utilized oxygen and produces CO2
Cellular
Organismic
Both of these
None of these
✅ The correct answer is option A.
The place of attachment of leaf with the shoot is called:
Pith.
Pit.
Pulvinus.
Ecdysone.
✅ The correct answer is option C.
Of the following, which one is a better respiratory medium.
Air
Water
Soil
None of these
✅ The correct answer is option A.
Rapid movement of leaves of mimosa on touching is an example of :
Turgor movement
Nastic movement
Tropic movements
Growth movement
✅ The correct answer is option A.