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51.

An example of encleated living plant cell isA. RBCB. sieve tube cellC. companion cellD. xylem parenchyma

Answer» Correct Answer - B
52.

If a living cell is placed anaerobic condition itsA. mitochondria will multiplyB. mitochondria will disappearC. ER will disappearD. mitochondria and ribosomes multiply speedly

Answer» Correct Answer - B
53.

Which organelle can reduce the number of other organelles ?A. OxysomeB. MitochondrionC. LysosomeD. None of these

Answer» Correct Answer - C
54.

Thylakoids are found inA. bacteriaB. blue green algaeC. higher plantsD. all of these

Answer» Correct Answer - D
55.

Chloroplasts are engaged inA. photosynthesisB. proteins synthesisC. photosynthesis and coding of structural proteins for thylakoid membraneD. photosynthesis and detoxification

Answer» Correct Answer - C
56.

The endosymbiotic theory is concerned withA. orgin of lichensB. origin of eukaryotesC. origin of chloroplast and mitochondriaD. origin of viruses

Answer» Correct Answer - C
57.

The cell structures that are mainly nucleoproteinaceous in nature, usually haveA. single membraneB. double membraneC. no membraneD. any of these

Answer» Correct Answer - C
58.

Thylakoid are found in the plastids ofA. bacteriaB. blue green algaeC. higher plantsD. all of these

Answer» Correct Answer - C
59.

0 + 9 microfibrillar structure is found inA. shaft of flagellaB. shaft of ciliaC. centrioleD. all correct

Answer» Correct Answer - C
60.

Sweeping type of rhythmic movements are shown byA. flagellaB. ciliaC. both (1) & (2)D. centrosome

Answer» Correct Answer - B
61.

Which is not a compartment in the cell ?A. NucleusB. CentrioleC. MitochondriaD. Chloroplast

Answer» Correct Answer - B
62.

Lysosomes are calledA. power houseB. energy transducerC. disposal units of cellD. all correct

Answer» Correct Answer - C
63.

Which organelle converts cellular polymers into monomers ?A. LysosomesB. Golgi bodiesC. SERD. Plastids

Answer» Correct Answer - A
64.

Lysosomes arise through theA. Golgi complexB. SERC. RERD. GERL System

Answer» Correct Answer - D
65.

Chromosomes are best observed at metphase. For studying the shape, best stage isA. early prophaseB. anaphaseC. telophaseD. late prophase

Answer» Correct Answer - B
66.

Metacentric chromosomes haveA. no armsB. equal armsC. unequal armsD. one arm

Answer» Correct Answer - B
67.

Enzymes for ETS in mitochondria are located inA. inner membraneB. oxysomesC. outer membraneD. matrix

Answer» Correct Answer - A
68.

The nucleoplasm is continuous with the cytoplasm of a cell throughA. ERB. Nuclear poresC. Golgi apparatusD. Vacuoles

Answer» Correct Answer - A
69.

Lipid molecules (Phospholipids) are amphiatic. Each moleucle has

Answer» Correct Answer - B
70.

Which one provides hardness to cell wall?A. CelluloseB. SuberinC. LigninD. Cutin

Answer» Correct Answer - C
71.

The secondary wall is chiefly composed ofA. lingninB. pectinC. mureinD. chitin

Answer» Correct Answer - A
72.

Biomembrance areA. asymmetric and solid sheet likeB. symmetric and globularC. asymmetric and fludiyD. symmetric and fluidy

Answer» Correct Answer - c
73.

Membrane proteins areA. cellulaseB. lyasesC. permeasesD. All of these

Answer» Correct Answer - C
74.

The ER acts as a circulatory or transporting system. Choose the correct path of transport of substances.A. Lysosome `to ` Golgi-membrane ` to ` Agranular ER ` to ` Granular ERB. Granular ER ` to ` Golgi membrance ` to ` LysosomesC. Golgi membrane ` to ` Lysosomes ` to ` Granular ER ` to ` Golgi-membraneD. Agranular ER ` to ` Lysosome ` to ` Granular ER ` to ` Golgi - membrance

Answer» Correct Answer - B
75.

When an Amoeba is taken from river to sea water, thanA. contractile vacuole disappearsB. feeding stopsC. it divides immediatelyD. undergoes encystment

Answer» Correct Answer - A
76.

Myofibrils areA. microfilamentsB. microtubulesC. myoglobinD. ER

Answer» Correct Answer - A
77.

The enzyme called Marker enzyme in lysome isA. acid phosphataseB. peroxidaseC. hyaluronidaseD. catalase

Answer» Correct Answer - A
78.

Contractile vacuoles help inA. excretionB. osmoregulationC. osmoregulation and respirationD. digestion

Answer» Correct Answer - B
79.

During starvation, energy is supplied byA. lysosomesB. centrosomesC. vacuolesD. chromoplast

Answer» Correct Answer - A
80.

The larger and smaller subunits in 80 S ribosome areA. 50 S, 30 SB. 60 S, 40 SC. 40 S, 60 SD. 50 S, 30 S

Answer» Correct Answer - B
81.

Site of formation of ribosomal precursor/ribosomal subunits in cell isA. nucleusB. nucleolusC. Golgi bodyD. stroma

Answer» Correct Answer - B
82.

Cell was consists ofA. water, hemicellulose and cellulose+ pectinB. cellulose , liqids and proteinsC. cellulose + proteins + petin + water + lipids and hemicelluloseD. microfibrils and pectin

Answer» Correct Answer - C
83.

Plant lysosomes rich in fats and taking part in synthesis of fats, areA. sphaerosomesB. glyoxysomesC. microsomesD. lysosomes

Answer» Correct Answer - A
84.

Cell wall isA. living and impermeableB. permeable, dead with pitsC. dead permeable without pitsD. living semipermeable with pits

Answer» Correct Answer - B
85.

Cytoskeleton of cell is made up ofA. Lysosome & vacoules & ribiosomesB. microtubulesC. microfilaments and microtubulesD. all of the above

Answer» Correct Answer - C
86.

The fatty chemical substance in cork cell wall isA. ligninB. chitinC. cutinD. suberin

Answer» Correct Answer - D
87.

A pit is unthickened area is call wall. It lacksA. primary wallB. middle LamellaC. secondary wallD. cell wall and cell membrance

Answer» Correct Answer - C
88.

Unthickened area in secondary wall is calledA. stomeB. torusC. pitD. plasmodesma

Answer» Correct Answer - C
89.

Lignin is the important constituent in the cell wall ofA. cambiumB. parenchymaC. phloemD. xylem parenchyma

Answer» Correct Answer - D
90.

The overarching secondary wall which encloses a part of the pit cavity is calledA. pit borderB. pit membraneC. pit apertureD. pit canal

Answer» Correct Answer - A
91.

Which layer has more cellulose ?A. Primary wallB. Secondary wallC. Cell membranceD. Middle lamella

Answer» Correct Answer - B
92.

The prtoplasmic strands connecting the two adjacent plants cells through which exchange of material occur are celled.A. plasmalemmaB. plasmodesmataC. tonofibrilsD. spindle fibres

Answer» Correct Answer - B
93.

Plasmalemma of two adjacent cells are fussed in case ofA. terminal barsB. tight junctionsC. microvilliD. desmosomes

Answer» Correct Answer - B
94.

The layer of vacuole isA. plasmalemmaB. tonoplastC. sarcolemmaD. cytoplasmic membrane

Answer» Correct Answer - B
95.

Middle lamella is found between _____of adjacent cells.A. secondry wallsB. Primary wallC. plasmalemmaD. anywhere in cell

Answer» Correct Answer - B
96.

Middle lamella is made up ofA. celluloseB. proteinC. calcium and magnesium pectateD. lipids and lignin

Answer» Correct Answer - C
97.

Water balance of cell is maintained byA. ERB. vacuolesC. lysosomesD. all of these

Answer» Correct Answer - B
98.

The membrane of endoplasmic reticulum remains continuous with membrane ofA. plasma membrance and lysosomeB. Golgi-complex and plastidsC. plasma -membrane and ERD. plasma - membrane and nuclear membrane

Answer» Correct Answer - D
99.

Nucleus is the site ofA. m-RNA systhesisB. assemblage of ribosomal unitsC. both (1) & (2)D. DNA and protein synthesis

Answer» Correct Answer - B
100.

The term protoplasm was coined byA. DujardinB. PurkinjeC. Hugo von MohlD. T.H. Huxley

Answer» Correct Answer - B