

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 | |