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This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Who observed and coined the word 'cell' for the first time? |
A. | Robert Cook |
B. | Robert Brown |
C. | Robert Hooke |
D. | Leeuwenhoek |
Answer» D. Leeuwenhoek | |
2. |
Which cell organelle is known as the control centre of the cell? |
A. | Nucleus |
B. | Chloroplast |
C. | Mitochondria |
D. | Endoplasmic reticulum |
Answer» B. Chloroplast | |
3. |
Lipids are insoluble in water because lipid molecules are |
A. | hydrophilic |
B. | hydrophobic |
C. | neutral |
D. | zwitterions |
Answer» C. neutral | |
4. |
Most diverse macromolecules, found in the cell both physically and chemically are |
A. | proteins |
B. | carbohydrates |
C. | nucleic acids |
D. | lipids. |
Answer» B. carbohydrates | |
5. |
Xylem functions as a conducting tissue for water and minerals from ______to the ____and_______. |
A. | roots, stems, leaves |
B. | stems, roots, leaves |
C. | leaves, stems, roots |
D. | leaves, stems, leaves |
Answer» B. stems, roots, leaves | |
6. |
Cells which take part in secondary growth are named as |
A. | phloem |
B. | xylem |
C. | cambium |
D. | medullary ray |
Answer» D. medullary ray | |
7. |
Intercalated disc is present in |
A. | striated muscle |
B. | smooth muscle |
C. | cardiac muscle |
D. | Both [b] and [c] |
Answer» D. Both [b] and [c] | |
8. |
Cartilage and bone are types of |
A. | muscular tissue |
B. | connective tissue |
C. | skeletal tissue |
D. | epithelial tissue |
Answer» C. skeletal tissue | |
9. |
Survival of plants in terrestrial environment has been made possible by the presence of |
A. | intercalary meristem |
B. | conducting tissue |
C. | apical meristem |
D. | parenchyma tous tissue |
Answer» C. apical meristem | |
10. |
Which of the following cells is found in the cartilagineous tissue of the body? |
A. | Mast cells |
B. | Basophils |
C. | Osteocytes |
D. | Chondrocytes |
Answer» E. | |
11. |
The process of mitosis is divided into 4 phases. Identity the correct order in which these phases appear in mitosis |
A. | Anaphase, metaphase, telophase and prophase |
B. | Telophase, anaphase, metaphase and prophase |
C. | Metaphase, prophase, anaphase and telophase |
D. | Prophase, metaphase, anaphase and telophase |
Answer» E. | |
12. |
Which one of the following structures is an organelle within an organelle? |
A. | Ribosome |
B. | Peroxisome |
C. | ER |
D. | Mesosome |
Answer» B. Peroxisome | |
13. |
Which of the following could be found in both the nucleus and the cytoplasm? |
A. | Nucleolus |
B. | Ribosomes |
C. | RNA |
D. | Both RNA & ribosomes |
Answer» E. | |
14. |
Which of the following would you not find in a bacterial cell? |
A. | DNA |
B. | Cell membrane |
C. | Golgi apparatus |
D. | Ribosomes |
Answer» D. Ribosomes | |
15. |
The function of nucleolus is the synthesis of |
A. | DNA |
B. | m-RNA |
C. | r-RNA |
D. | t-RNA |
Answer» D. t-RNA | |
16. |
Difference between the prokaryotic and eukaryotic cells is in having |
A. | cell wall |
B. | nuclear membrane |
C. | ribosome |
D. | None of these |
Answer» C. ribosome | |