MCQOPTIONS
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MCQOPTIONS
This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your Graduate Aptitude Test (GATE) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Secretions produced by ribosome are passed via endoplasmic reticulum and |
| A. | Golgi complex |
| B. | mitochondria |
| C. | nucleus |
| D. | vacuole |
| Answer» B. mitochondria | |
| 2. |
Lysosomes are cytoplasmic organelles which are specialized in their |
| A. | histology |
| B. | morphology |
| C. | cytology |
| D. | Chemical biology |
| Answer» C. cytology | |
| 3. |
Cell membrane is chemically composed of 40-60 % of |
| A. | fats |
| B. | lipids |
| C. | sugar |
| D. | cytosol |
| Answer» C. sugar | |
| 4. |
Ribosome are synthesized in part of cell called |
| A. | Golgi complex |
| B. | mitochondria |
| C. | nucleolus |
| D. | nucleus |
| Answer» D. nucleus | |
| 5. |
Proteins are synthesized within mitochondria that?s why it is called |
| A. | self-duplication |
| B. | self-replication |
| C. | self-replication |
| D. | self-division |
| Answer» C. self-replication | |
| 6. |
Rough endoplasmic reticulum assists in synthesis of |
| A. | carbohydrates |
| B. | proteins |
| C. | fats, glucose, starch |
| D. | lipids |
| Answer» C. fats, glucose, starch | |
| 7. |
Presence of nucleus in a cell was reported by |
| A. | Robert Hooke |
| B. | Robert Brown |
| C. | Lorenz Oaken |
| D. | Theodor Schwann |
| Answer» C. Lorenz Oaken | |
| 8. |
Place on chromosome where spindle fibers are attached during cell division is called |
| A. | chromatids |
| B. | centromere |
| C. | centrioles |
| D. | mitochondria |
| Answer» C. centrioles | |
| 9. |
Smooth form of endoplasmic reticulum is without |
| A. | Golgi complex |
| B. | ribosome |
| C. | nucleus |
| D. | mitochondria |
| Answer» C. nucleus | |
| 10. |
Storage of vital chemicals is |
| A. | cytoplasm |
| B. | mitochondria |
| C. | Golgi complex |
| D. | ribosome |
| Answer» B. mitochondria | |
| 11. |
A group of ribosome which are attached to mRNA by small ribosome unit is known asa |
| A. | polyribosome |
| B. | polysome |
| C. | monosome |
| D. | oligosome |
| Answer» C. monosome | |
| 12. |
Protein structures which are long, unbranched and slender tubules are called |
| A. | microfilaments |
| B. | microtubules |
| C. | intermediate tubules |
| D. | chromatin fibers |
| Answer» C. intermediate tubules | |
| 13. |
Arrangement of molecules of a primary wall is in sequence of |
| A. | zigzag |
| B. | criss-cross |
| C. | spiral |
| D. | conjugated |
| Answer» C. spiral | |
| 14. |
Absence of enzyme which helps in catabolism of lipids, lead towards disease called |
| A. | glycogenesis |
| B. | hay fever |
| C. | Tay sachs |
| D. | polio |
| Answer» D. polio | |
| 15. |
There are 48 chromosomes in a cell of a |
| A. | chimpanzee |
| B. | human being |
| C. | drosophila |
| D. | monkey |
| Answer» B. human being | |
| 16. |
Exchange of materials takes place between nucleus and cytoplasm with help of |
| A. | nuclear pores |
| B. | nuclear membrane |
| C. | nucleus |
| D. | chromatin network |
| Answer» B. nuclear membrane | |
| 17. |
Structural and functional unit of life is called |
| A. | cell |
| B. | tissues |
| C. | organelle |
| D. | DNA |
| Answer» B. tissues | |
| 18. |
Fluid Mosaic Model favors that cell membrane contains proteins which are embedded in fashion of |
| A. | zigzag |
| B. | criss-cross |
| C. | mosaic |
| D. | eplic |
| Answer» D. eplic | |
| 19. |
Death or mental retardation takes place if accumulation happens in |
| A. | somatic cells |
| B. | brain cells |
| C. | meristemetic cells |
| D. | sensory cells |
| Answer» C. meristemetic cells | |
| 20. |
Dot product of two vectors a and b is termed as |
| A. | outer product |
| B. | inner product |
| C. | Cartesian product |
| D. | vector product |
| Answer» C. Cartesian product | |
| 21. |
Vector has a tip which is called its |
| A. | initial point |
| B. | critical point |
| C. | terminal point |
| D. | final point |
| Answer» D. final point | |
| 22. |
If two vectors a and b are equal than they are written as |
| A. | a=b |
| B. | ab+1=0 |
| C. | a+b=0 |
| D. | a+b=b |
| Answer» B. ab+1=0 | |
| 23. |
Two vectors are equal if and only if it has same length and |
| A. | perpendicular direction |
| B. | anti parallel direction |
| C. | same direction |
| D. | tangential direction |
| Answer» D. tangential direction | |
| 24. |
A vector of length 1 is called |
| A. | unit vector |
| B. | row vector |
| C. | column vector |
| D. | None of these |
| Answer» B. row vector | |