

MCQOPTIONS
This section includes 49 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
1. |
Three main types of plastids are chloroplast, chromoplast and |
A. | leukocytes |
B. | leucoplasts |
C. | chlorophyll |
D. | magneplasts |
Answer» C. chlorophyll | |
2. |
Aqueous ground soluble part of cytoplasm is called |
A. | cytosol |
B. | vacuole |
C. | mitochondria |
D. | nucleus |
Answer» B. vacuole | |
3. |
Chloroplast contain a green pigment called |
A. | leaf |
B. | stem |
C. | chlorophyll |
D. | chromoplast |
Answer» D. chromoplast | |
4. |
Diploid chromosome number is found in normal body cell whereas haploid is found in |
A. | germ cells |
B. | brain cells |
C. | meristemetic cells |
D. | sensory cells |
Answer» B. brain cells | |
5. |
Cell theory proposes that all living cells arise from |
A. | fossils |
B. | plant cells |
C. | pre-existing cells |
D. | new cells |
Answer» D. new cells | |
6. |
Micrographic is most famous work on discovery of cell which is given by |
A. | Robert Hooke |
B. | Lorenz Oaken |
C. | Theodor Schwann |
D. | F. Miescher |
Answer» B. Lorenz Oaken | |
7. |
Organisms which lack mitosis division and use binary fission method for cell division are known as |
A. | prokaryotes |
B. | eukaryotes |
C. | yeast |
D. | fungi |
Answer» B. eukaryotes | |
8. |
In folds of membranes of mitochondrion are called |
A. | cisternae |
B. | cristae |
C. | chromatin fibers |
D. | chromatic networks |
Answer» C. chromatin fibers | |
9. |
Location of furrow during a cell division is done by |
A. | mitochondria |
B. | Golgi complex |
C. | centrioles |
D. | ribosome |
Answer» D. ribosome | |
10. |
Secretions produced by ribosome are passed via endoplasmic reticulum and |
A. | Golgi complex |
B. | mitochondria |
C. | nucleus |
D. | vacuole |
Answer» B. mitochondria | |
11. |
Nucleus contain a network of subdivisions called |
A. | microfilaments |
B. | microtubules |
C. | chromatin fibers |
D. | chromatin network |
Answer» E. | |
12. |
Lysosomes are cytoplasmic organelles which are specialized in their |
A. | histology |
B. | morphology |
C. | cytology |
D. | Chemical biology |
Answer» C. cytology | |
13. |
Cell membrane is chemically composed of 40-60 % of |
A. | fats |
B. | lipids |
C. | sugar |
D. | cytosol |
Answer» C. sugar | |
14. |
Ribosome are synthesized in part of cell called |
A. | Golgi complex |
B. | mitochondria |
C. | mitochondria |
D. | nucleus |
Answer» D. nucleus | |
15. |
Cytoplasm is filled with 80% of |
A. | salts |
B. | water |
C. | sugars |
D. | air |
Answer» C. sugars | |
16. |
Organelle which deals with formation of decomposition of hydrogen peroxide is called |
A. | peroxisomes |
B. | ribosome |
C. | peroxides |
D. | oxisomes |
Answer» B. ribosome | |
17. |
Pollination and dispersal of seeds is usually done by help of |
A. | chloroplast |
B. | chromoplast |
C. | chlorophyll |
D. | chromophyll |
Answer» C. chlorophyll | |
18. |
A very important organelle which is also called power house of cell is |
A. | mitochondria |
B. | Golgi complex |
C. | nucleus |
D. | cell membrane |
Answer» B. Golgi complex | |
19. |
Peroxisomes are usually found in protozoa and |
A. | protoctist |
B. | monera |
C. | yeast |
D. | fungi |
Answer» D. fungi | |
20. |
Organisms which have a distinct nucleus with (chromatin material and a nucleolus) are called |
A. | Prokaryotic |
B. | eukaryotic |
C. | protozoans |
D. | protoctists |
Answer» C. protozoans | |
21. |
Rough endoplasmic reticulum assists in synthesis ofa |
A. | carbohydrates |
B. | proteins |
C. | fats, glucose, starch |
D. | lipids |
Answer» C. fats, glucose, starch | |
22. |
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 | |
23. |
Place on chromosome where spindle fibers are attached during cell division is called |
A. | chromatids |
B. | centromere |
C. | centrioles |
D. | mitochondria |
Answer» C. centrioles | |
24. |
Cells containing single nucleus are called as |
A. | mononucleated |
B. | dinucleated |
C. | single nucleated |
D. | multinucleated |
Answer» B. dinucleated | |
25. |
Continuous channels that appear to lie between plasma membrane and nuclear membrane is |
A. | Endoplasmic reticulum |
B. | Golgi complex |
C. | mitochondria |
D. | ribosome |
Answer» B. Golgi complex | |
26. |
Mitochondria extracts energy from food and convert it into energy in form of |
A. | ADP |
B. | ATP |
C. | AMP |
D. | AND |
Answer» C. AMP | |
27. |
Smooth form of endoplasmic reticulum is without |
A. | Golgi complex |
B. | ribosome |
C. | nucleus |
D. | mitochondria |
Answer» C. nucleus | |
28. |
Storage of vital chemicals is |
A. | cytoplasm |
B. | mitochondria |
C. | Golgi complex |
D. | ribosome |
Answer» B. mitochondria | |
29. |
A group of ribosome which are attached to mRNA by small ribosome unit is known as |
A. | polyribosome |
B. | polysome |
C. | monosome |
D. | oligosome |
Answer» C. monosome | |
30. |
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 | |
31. |
Arrangement of molecules of a primary wall is in sequence of |
A. | zigzag |
B. | criss-cross |
C. | spiral |
D. | conjugated |
Answer» C. spiral | |
32. |
Cellulose, pectin, and hemicelluloses together make up to form a |
A. | primary wall |
B. | secondary wall |
C. | middle wall |
D. | tertiary wall |
Answer» B. secondary wall | |
33. |
Absence of enzyme which helps in catabolism of lipids, lead towards disease calledA |
A. | glycogenesis |
B. | hay fever |
C. | Tay sachs |
D. | polio |
Answer» D. polio | |
34. |
There are 48 chromosomes in a cell of a |
A. | chimpanzee |
B. | human being |
C. | drosophila |
D. | monkey |
Answer» B. human being | |
35. |
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 | |
36. |
Structural and functional unit of life is called |
A. | cell |
B. | tissues |
C. | organelle |
D. | DNA |
Answer» B. tissues | |
37. |
A chromosome is composed of a DNA and |
A. | lipids |
B. | proteins |
C. | gene |
D. | sugars |
Answer» C. gene | |
38. |
Prokaryotic cells have a specialized material with them called as |
A. | peptidoglycan/murein |
B. | pectin |
C. | peptidoglucose |
D. | peptidoaminose |
Answer» B. pectin | |
39. |
Those tubular membranes which separates material of endoplasmic reticulum are called |
A. | chromatids |
B. | cisternae |
C. | tubular membranes |
D. | tubules |
Answer» C. tubular membranes | |
40. |
Golgi apparatus is found virtually in all cells which are in nature |
A. | Prokaryotic |
B. | eukaryotic |
C. | protozoans |
D. | protoctists |
Answer» C. protozoans | |
41. |
Function of detoxifying harmful drugs from body is done by |
A. | smooth endoplasmic reticulum |
B. | rough endoplasmic reticulum |
C. | smooth exoplasmic reticulum |
D. | rough exoplasmic reticulum |
Answer» B. rough endoplasmic reticulum | |
42. |
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 | |
43. |
Substances are allowed to pass through cell membrane to maintain a constant |
A. | concentration |
B. | concentration |
C. | temperature |
D. | ph |
Answer» C. temperature | |
44. |
Lysosomes which eat parts of their own cell in state of starvation are called |
A. | autophagosomes |
B. | autophagocytosis |
C. | auto retarded |
D. | auto destruction |
Answer» B. autophagocytosis | |
45. |
Phagocytosed food is digested with help of enzymes which are present in |
A. | ribosome |
B. | lysosomes |
C. | mitochondria |
D. | mitochondria |
Answer» C. mitochondria | |
46. |
In word Lysosoma, 'lyso' means splitting and 'soma' means |
A. | cell |
B. | body |
C. | tissue |
D. | organic |
Answer» C. tissue | |
47. |
Pigments containing bodies which are bounded by membrane are called |
A. | plastids |
B. | chlorophyll |
C. | chloroplast |
D. | hemoglobin |
Answer» B. chlorophyll | |
48. |
In a normal human being number of chromosomes is |
A. | 23 |
B. | 46 |
C. | 53 |
D. | 26 |
Answer» C. 53 | |
49. |
ath 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 | |