Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

101.

Mitochondria perform all of the following functions exceptA. Nucleic acid synthesisB. `beta` - oxidation of fatty acidsC. ATP synthesisD. Polysaccharide degradation

Answer» Correct Answer - D
102.

Who observed the "mitochondria " firstA. KollikerB. Robert BrwonC. Robert HookeD. Altmann

Answer» Correct Answer - A
Kolliker (1880), observed mitochondria in striated muscle cell of insect.
103.

Folding of inner membrane of mitochondria are calledA. CristaeB. GranaC. Calcium oxalate crystalsD. Sacs

Answer» Correct Answer - A
Cristae are finger like process projection inwards.
104.

The amyloplasts look likeA. ProplastidsB. ElioplastC. AleuroplastD. Chloroplat

Answer» Correct Answer - A
The amyloplasts appear like proplastids. They store starch for a longer period.
105.

Nuclear material without nuclear membrane is observed inA. Bacteria and green algaeB. Cyanobacteria and red algaeC. Bacteria and cyanobacteriaD. Mycoplasmas and green algae

Answer» Correct Answer - C
106.

Basic structure of chromatin is composed ofA. Non-histone proteins wrapped around DNAB. Histone proteins wrapped around DNAC. RNA wrapped around histonesD. DNA wrapped around histones

Answer» Correct Answer - B
107.

The nucleoplasm is continuous with the cytoplasm of a cell throughA. CentrioleB. Endoplasmic reticulumC. Nuclear poresD. Golgi apparatus

Answer» Correct Answer - C
108.

With the increase in diameter of the rotor, the effective RCF (relative centrifugal force) at a fixed RPM (revolutions per minute ) willA. Remain unaffectedB. IncreaseC. DecreaseD. Be lower at the bottom of centrifuge tube

Answer» Correct Answer - B
109.

Stroma is the ground material of material of which of the following.A. LysosomesB. RibosomesC. ChloroplastsD. Mitochondria

Answer» Correct Answer - A
110.

See the figure and identify it A. RERB. GBC. SERD. None

Answer» Correct Answer - B
111.

Which of the following is the exception of cell theoryA. BacteriaB. FungiC. LichenD. Virus

Answer» Correct Answer - D
Viruses are not applicable to cell theory. They are made up of proteins and one of nucleic acids i.e., DNA or RNA. So they lack protoplasm, the essential part of the cell.
112.

Main function of dictyosomes isA. RespirationB. StorageC. SecretionD. Breakdown of fats

Answer» Correct Answer - C
113.

Who showed that the nuclear membrane has many pores or circular structures or annuliA. FawcellB. StrasburgerC. ButchenD. Callan and Tomlin

Answer» Correct Answer - D
114.

"Lysosomes" were discovered byA. HaekelB. De DuveC. De VriesD. Purkinje

Answer» Correct Answer - B
115.

The main difference between plant and animal cell isA. Animal cells lack cell wallB. Plant cell has no cell wallC. Animal cell has a rigid cell wallD. Plant cells lack cell membrane

Answer» Correct Answer - A
116.

Examine the section view of chloroplast showing the different parts In which of the following options all the four blanks A, B, C and D are correctly identifiedA. A- Granum, B- Thylakoid, C - Stroma, D- Stromal lamellaB. A- Thylakoid, B - Granum, C- Stromal lamella, D- StromaC. A- Granum, B -Thylakoid, C- Stromal lamella, D- StromaD. A - Thylakoid, B - Stromal lamella, C- Stroma, D- Granum

Answer» Correct Answer - C
117.

The given figure shows some of the missing structures in a plant cell (A -E). Identify the marked alphabets A. A -Tight junction, B- Rough endoplasmic reticulum, C- Golgi apparatus, D- Mitochondrion, E- RibosomeB. A-Plasmodesmata, B - Smooth endoplasmic reticulum, C- Gogi apparatus, D- Mitochondrion, E- RibosomesC. A- Desmosome, B- Rough endoplasmic reticulum, C- Golgi apparatus, D- Mitochondrion, E- RibosomesD. A- Plasmodesmata, B- Rough endoplasmic reticulum, C- Golgi apparatus, D- Mitochondrion, E- Ribosomes

Answer» Correct Answer - D
118.

Four different types of chromosomes but of the same size are serialized asA. Telocentric, metacentric, acrocentric, submetacentricB. Metacentric, acrocentric, submetacentric, telocentricC. Metacentric, submetacentric, acrocentric, telocentricD. Metacentric, telocentric, acrocentric, submetacentric

Answer» Correct Answer - C
119.

Which of the following parts of a cell is non-livingA. CentrioleB. VacuoleC. Ribosomes-those on chloroplasts are larger (80s) while those in the cytoplasm are smaller (70s)D. Mitochondria

Answer» Correct Answer - B
120.

Spindle fibers attach on toA. Telomere of the chromosomeB. Kinetochore of the chromosomeC. Centromere of the chromosomeD. Kinetosome of the chromosome

Answer» Correct Answer - B
121.

Electron microscope is used forA. Viewing structure of the cellB. Whole mount studyC. Cell division studyD. Structure of the pollen grain

Answer» Correct Answer - A
Electron microscope is predominantly used for viewing of ultrastructure of cell and its organelles. Because it has great magnification and resolving power.
122.

Plant cell differ from animal cell because ofA. The presence of cell wall and absence of chlorophyll in plant cellB. The presence of cell wall and chlorophyll in plant cellC. The absence of cell wall and presence of chloroplast in animal cellD. The absence of cell wall and presence of chlorophyll in plant cell

Answer» Correct Answer - B
Presence of cell wall and chlorophyll is characteristic feature of plants.
123.

A magnification of upto 100 million times is possible inA. Scanning electron microscopeB. Electron transmission microscopeC. Scanning probe microscopeD. Photon tunneling microscope

Answer» Correct Answer - C
124.

Plant cells differ from animal cells in havingA. CentrosomeB. Golgi bodyC. VacuoleD. Plasitd

Answer» Correct Answer - D
Plastids are present in plant cells and absent in most of the animal cells.
125.

The size of most of the cells is best expressed inA. ÅB. Milimeters (mm)C. Nanometers (nm)D. Micrometers `(mu m)`

Answer» Correct Answer - D
126.

The given diagram shows important structures in an animal cell. Identify it (I) The structure replicates during mitosis and generates the spindle (II) Major site for synthesis of lipid (III) Power house of the cell (IV) Store house of digestive enzyme (V) Increases the surface area for the absorption of materials (VI) Site of glycolysis (VII) Site for active ribosomal RNA synthesis A. I-M, II-A, III-H, IV-J, V-N, VI-F, VII-DB. I-L, II-B, III-H, IV-J, V-N, VI-F, VII-DC. I-L, II-G, III-H, IV - J, V-N, VI-F, VII-DD. I-L, II-G, III-H, IV-J, V- N, VI- F, VII-D

Answer» Correct Answer - B
127.

A mature plant cell hasA. Cell wall and protoplasmB. Protoplasm and vacuoleC. Vacuole and cell wallD. Protoplasm, cell wall and vacuole

Answer» Correct Answer - D
128.

Some bacterial cells were fixed for microscopic observation. A structure X was observed on most occasions at the cell membrane In the above diagram, label X representsA. MesosomeB. RibosomeC. PlasmidsD. Nucleoid

Answer» Correct Answer - A
129.

Glyoxysomes occur inA. Both plant and animal cellsB. Plant cells onlyC. Animal cells onlyD. All types of cells

Answer» Correct Answer - B
130.

Is which one of the following would you expect to find glyoxysomesA. Endosperm of wheatB. Endosperm of castorC. Plaisade cells in leafD. Root hairs

Answer» Correct Answer - B
Glyoxysomes are enzymes which play a critical role in lipid metabolism in seedlings. Hence they are supposed to be present in endsperm of wheat will posses starch.
131.

Desmosomes are concerned withA. Cell divisionB. Cellular excreationC. CytolysisD. Cell adherence

Answer» Correct Answer - D
132.

Ribonucleoprotein particles of protoplasm areA. RibosomesB. PlastidC. Golgi bodyD. Cristae

Answer» Correct Answer - A
Ribosomes are the ribonucleoprotein particles of protoplasm.
133.

The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known asA. Intermediate filamentsB. LaminsC. MicrotubulesD. Microfilaments

Answer» Correct Answer - D
Microfilaments are ultramicroscopic long, narrow cylindrical solid rods or protein filaments (Actin protein) of approx 8 nm in dm.
134.

The thylakoid in chloroplast are arranged asA. Interconnected discB. Interconnected sacsC. Stacked discsD. None of these

Answer» Correct Answer - D
The thylakoids of chloroplast are arranged in as stacks of coins or stacks of discs.
135.

1 nm is equal toA. 10ÅB. `10^(-3) `mmC. `10^(-8)` mD. `100 mum`

Answer» Correct Answer - A
136.

In higer plants, the shape of the chloroplast isA. Discoid (Lens)B. Cup-shapedC. Girdle-shapedD. Reticulate

Answer» Correct Answer - A
137.

Which of the following statement is/are true (A)The resolution power of unaided human eye is 100 micrometre (B) The highest resolution is obtained with the light of shortest wavelength (C ) Dark fiel microscope is most useful for viewing the living cells (D) In gel filtration chromatography, molecules can be separated in picogram to nanogram quantitiesA. A,C and D onlyB. B and D onlyC. C and D onlyD. A, B and D only

Answer» Correct Answer - D
138.

Which one of the following cellular parts is correctly describedA. Thylakoids-flattened membranous sacs forming the granna of chloroplastsB. Centrioles-sites for active RNA synthesisC. Ribosomes-those on chloroplasts are larger (80s) while those in the cytoplasm are smaller (70s)D. Lysosomes-optimally active at a pH of about 8.5

Answer» Correct Answer - A
Thylakoids are bag like structure which stacked as coins one above the other and formed grana.
139.

Thylakoids are constituents ofA. ChloroplastsB. MitochondriaC. ERD. Ribosmes

Answer» Correct Answer - A
140.

Who invented the "electron microscope"A. Knoll and RuskaB. Robert BrwonC. CorrensD. Janssen and Janssen

Answer» Correct Answer - A
141.

Which is correct for the structure of cell wall of bacteria and fungiA. Both are made up of celluloseB. Both have mucopeptideC. Both are made up of N-acetylglucosamineD. None of these

Answer» Correct Answer - C
142.

Microtome was developed byA. TalbotB. BrogyC. MertenD. W.His

Answer» Correct Answer - D
143.

Which is not function of golgibodyA. SecretionB. Formation of plasmamembraneC. Fat synthesisD. Cell wall formation

Answer» Correct Answer - C
Fat synthesis is the main function of smooth endoplasmic reticulum.
144.

The branch deals with the study of cell structure and function is known asA. HistologyB. EcologyC. MorphologyD. Cytology

Answer» Correct Answer - D
145.

Karyology is the study ofA. CellB. NucleusC. TissueD. Genes

Answer» Correct Answer - B
146.

What is the structural element of cell wallA. MatrixB. MicrotubulesC. MicrofibrilsD. Arabinogalactans

Answer» Correct Answer - D
147.

Which of the following options is true for a secretory cell ?A. Golgi apparatus is absentB. Rough Endoplasmic Reticulum (RER) is easily observed in the cellC. Only Smooth Endoplamic Reticulum (SER) is presentD. Secretory granules are formed in nucleus

Answer» Correct Answer - B
148.

In mitochondria, protons accumulate in theA. Intermembrane spaceB. MatrixC. Outer membraneD. Inner membrane

Answer» Correct Answer - A
149.

One micrometer is a unit equivalent toA. `10^(-3) m`B. `10^(-6) m`C. `10^(-9) m`D. `10^(-12) m`

Answer» Correct Answer - B
1 Micrometer `(mum)=10^(-6) m, 10^(-4) cm, 10^(-3) mm, 1000 nm`.
150.

The given diagram shows a chromosome Which of the following table refers correctly to the chromosome A. `{:(" No. of centromere", "No.of Kinetochore", "No.of arms"),(" ""1"," ""2"," ""2"):}`B. `{:(" No. of centromere", "No.of Kinetochore", "No.of arms"),(" ""2"," ""2"," ""4"):}`C. `{:(" No. of centromere", "No.of Kinetochore", "No.of arms"),(" ""1"," ""2"," ""4"):}`D. `{:(" No. of centromere", "No.of Kinetochore", "No.of arms"),(" ""2"," ""1"," ""4"):}`

Answer» Correct Answer - C