A. Binding sites of actin get attached to the myosin head.
B. Troponin uncovers the actin binding sites.
C. Tropomyosin gets removed from the binding sites of actin filaments.
D. Ca2+ goes back inside sarcoplasmic reticulum.
Biology Mcqs
Exact replica of chromosome refers to ___________?
A. Chromatid
B. Centromere
C. Kinetochore
D. Arms
Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?
A. Extracellular
B. Intracellular
C. Both of these
D. Glucose
Production of genetically identical copies of organisms/cells by asexula reproduction is called ?
A. Mitosis
B. Replication
C. Cloning
D. Biological control
Which of the following plant group first formed true leaves________________?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. Pteropsida
Steps Involved in scientific method are ?
A. Hypothesis –>Accumulated data –> observation & experimentation –> conclusion
B. New data —> Conclusion —> Accumulated data —> Observation & experimentation
C. Accumulated data – New data – Observation & experimentation – Hypothesis –> Conclusion
D. Accumulated data —> Hypothesis –> Observation & experimentation —> New data —> Conclusion
Fatty acids containing 18 C atoms and a single double bond is____________?
A. Saturated Fatty acid
B. Unsaturated fatty acid
C. Oleic Acid
D. Plamitic acid
The fate of each blastomere is foretold. The cleavage will be as____________?
A. Spiral and indeterminate
B. Radial and indeterminate
C. Radial and indeterminate
D. Spiral and determinate
Red to orange pigments are_____________?
A. Carotenes
B. Carotenoids
C. Xanthophylls
D. Chlorophyll
Double fertilization is feature of____________?
A. Ferns
B. Whisk ferns
C. Gymnosperms
D. Angiosperms
