MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 3651. |
Middle lamella is made up of which substance? (CBSE-2009) |
| A. | Calcium pectate |
| B. | Hemicellulose |
| C. | Muramic acid |
| D. | Phosphoglyceride |
| Answer» B. Hemicellulose | |
| 3652. |
Which asseration is false ? |
| A. | Sucidal bag possess double layer structure |
| B. | Mitochondria are self replicating organelles |
| C. | Virchow give the final shape of the cell theory |
| D. | Active transport occurs against the concentration gradient |
| Answer» B. Mitochondria are self replicating organelles | |
| 3653. |
Select the Correct option from Cloumn-I and Column-II |
| A. | (P - 3) (Q - 4) (R - 1) (S - 2) |
| B. | (P - 1) (Q - 2) (R - 4) (S - 3) |
| C. | (P - 2) (Q - 1) (R - 3) (S - 4) |
| D. | (P - 4) (Q - 2) (R - 1) (S - 3) |
| Answer» B. (P - 1) (Q - 2) (R - 4) (S - 3) | |
| 3654. |
Nucleolus is ________ (RCET-2007) |
| A. | Located in nucleus,Possess r-RNA and chromatin and possess a spherical structure. |
| B. | Rod like structure present near nucleus. |
| C. | Spherical structure present in cytoplasm near nucleus. |
| D. | None of these |
| Answer» B. Rod like structure present near nucleus. | |
| 3655. |
Prokaryotics differ form eukaryotics in ________ . (JIPMER-2005) |
| A. | Cell wall and DNA |
| B. | Plasma membrane and nucleus |
| C. | Plastid and nucleus |
| D. | DNA and mitochondria |
| Answer» B. Plasma membrane and nucleus | |
| 3656. |
The subunits of prokaryotic ribosomes are ________ . (Kerala PMP-2001) |
| A. | 50S + 30 |
| B. | 60S + 40S |
| C. | 40S + 30S |
| D. | 60S + 50S |
| Answer» B. 60S + 40S | |
| 3657. |
Mitochondria stores...(Dy patil pune-2006) |
| A. | ATP |
| B. | Protein |
| C. | Carbohydrate |
| D. | Lipid |
| Answer» B. Protein | |
| 3658. |
Aldolase enzyme related with which organelles? (CET-2005) |
| A. | Cell-matrix |
| B. | Chloroplast |
| C. | Nucleus |
| D. | Mitochondria |
| Answer» B. Chloroplast | |
| 3659. |
In Column-I Organell and in Column-II its function is given, select correct option |
| A. | (P - 4) (Q - 3) (R - 1) (S - 2) |
| B. | (P - 2) (Q - 1) (R - 4) (S - 3) |
| C. | (P - 4) (Q - 3) (R - 2) (S - 1) |
| D. | (P - 1) (Q - 2) (R - 3) (S - 4) |
| Answer» B. (P - 2) (Q - 1) (R - 4) (S - 3) | |
| 3660. |
In higher plant stroma of chloroplast possesses... |
| A. | Enzyme for dark reaction. |
| B. | Chlorophyll |
| C. | Ribosomes |
| D. | Light reaction related enzyme. |
| Answer» B. Chlorophyll | |
| 3661. |
“Cell is a structural and functional unit of organisms”. who found out? (JKCMEE-2005) |
| A. | Schleiden and schwann |
| B. | Robert Hook |
| C. | Aristotal |
| D. | Mendel |
| Answer» B. Robert Hook | |
| 3662. |
Which organelle possesses circular DNA? |
| A. | Chloroplast |
| B. | Lysosome |
| C. | Ribosome |
| D. | Golgi appartus |
| Answer» B. Lysosome | |
| 3663. |
In which phase the chromosomes appear clear. (BHU-2001) |
| A. | Metaphase |
| B. | Telophase |
| C. | Prophase |
| D. | Anaphase |
| Answer» B. Telophase | |
| 3664. |
In Eukaryotic cell cytoskeleton is made up of ________ (DPMT-1997) |
| A. | Microtubule |
| B. | Microfilaments |
| C. | Tubulin |
| D. | all |
| Answer» B. Microfilaments | |
| 3665. |
What is main difference between active and passive transport? (CBSE 1993) |
| A. | Active transport occurs by ATP. |
| B. | Active transport occurs fast. |
| C. | Energy is necessary for passive transport. |
| D. | Passive transport is a non-selective transport. |
| Answer» B. Active transport occurs fast. | |
| 3666. |
Microfilaments are ________ . (CBSE-2009) |
| A. | Structure connects cytoplasm of two near by cells |
| B. | Locomotive structure |
| C. | Structure joints nucleus and cytoplasm |
| D. | Lignified layers between two cells. |
| Answer» B. Locomotive structure | |
| 3667. |
In the following diagram what do A and B indicate ? |
| A. | SER,Mitochondria |
| B. | Ribosome,Mitochondria |
| C. | Mitochondria,Golgi apparatus |
| D. | RER,Mitochondria |
| Answer» C. Mitochondria,Golgi apparatus | |
| 3668. |
Select Correct option |
| A. | Lysosome - Sucidal bag |
| B. | Ribosome - Lipid synthesis |
| C. | Mitochondria - Grana |
| D. | SER - Prokaryotic Cell |
| Answer» B. Ribosome - Lipid synthesis | |
| 3669. |
Give the names of A and B in the given diagram. |
| A. | Stalk,Satellite |
| B. | Centromere,Satellite |
| C. | Satellite,Stalk |
| D. | Satellite,Centromere |
| Answer» D. Satellite,Centromere | |
| 3670. |
_______ is a currency of the energy. (Pb PMT-2004) |
| A. | ATP |
| B. | NAD |
| C. | FAD |
| D. | Glucose |
| Answer» B. NAD | |
| 3671. |
Cytoskeleton is made up of ________ . (CBSE-2009) |
| A. | Proteinous fibre |
| B. | micro particles of CaCO3 |
| C. | Cellulose |
| D. | Callose |
| Answer» B. micro particles of CaCO3 | |
| 3672. |
The Orgenelle,which is related with production of ATP is ________ . (Pb PMT-2004) |
| A. | Mitochondria |
| B. | Ribosomes |
| C. | Golgi apparatus |
| D. | Endo plasmic reticulum |
| Answer» B. Ribosomes | |
| 3673. |
Give name of organelle,which is surrounded by a single layered wall. (RPMT-1995) |
| A. | Lysosome |
| B. | Mitochondria |
| C. | Chloroplast |
| D. | Nucleus |
| Answer» B. Mitochondria | |
| 3674. |
Give the name of sucidal bag of plant cell. (Orissa JEE-2006) |
| A. | Lysosome |
| B. | Mitochondria |
| C. | Endoplasmic reticulum |
| D. | Nucleus |
| Answer» B. Mitochondria | |
| 3675. |
Mitochondria is organelle of which process? (Orissa JEE-2003) |
| A. | Kreb’s cycle |
| B. | Glycolysis |
| C. | Hill reaction |
| D. | Calvin cycle |
| Answer» B. Glycolysis | |
| 3676. |
Given diagram is well known as a... |
| A. | Power house of cell |
| B. | Kitchen of cell |
| C. | Sucidal bag of cell |
| D. | Regulator of cell |
| Answer» B. Kitchen of cell | |
| 3677. |
Bacteria possess which type of ribosomes? (Kerala PMT-2004) |
| A. | 70 |
| B. | 80S |
| C. | 60S |
| D. | 40S |
| Answer» B. 80S | |
| 3678. |
Each ribosome are made up of how many subunits ?(Jharkhand-2003) |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 3679. |
Golgi apparatus is produced from which organelle ? (AFMC-2003) |
| A. | Endoplasmic reticulum |
| B. | Plasmamembrane |
| C. | Mitochondria |
| D. | Ribosomes |
| Answer» B. Plasmamembrane | |
| 3680. |
In higher plants cell wall is made up of which substance? (CPMT-1995) |
| A. | Cellulose |
| B. | Peptidoglycan |
| C. | Lipoprotein |
| D. | Callose |
| Answer» B. Peptidoglycan | |
| 3681. |
Who suggested that new cell arise through cell division of preexisting cells? (Pb.PMT-1992) |
| A. | Virchow |
| B. | Schwann |
| C. | Robert Hook |
| D. | Schleidn |
| Answer» B. Schwann | |
| 3682. |
Who proposed fluid-mosaic model? |
| A. | Singer and Nicolson |
| B. | Beadel and Tatum |
| C. | Robertson and Miller |
| D. | Watson and Crick |
| Answer» B. Beadel and Tatum | |
| 3683. |
It is a power house of cell. (AFMC-1998,2001) |
| A. | Mitochondria |
| B. | Chloroplast |
| C. | Nucleus |
| D. | Golgi-apparatus |
| Answer» B. Chloroplast | |
| 3684. |
Where,ribosomes synthesis takes place? (AIPMT-2000) |
| A. | Nucleolu |
| B. | Nucleus |
| C. | Golgi body |
| D. | Plasma membrane |
| Answer» B. Nucleus | |
| 3685. |
Where ETS Occur’s? (CPMT-2008) |
| A. | Inner membrane of mitochondria |
| B. | Outer membrane of mitochondria |
| C. | Matrix of mitochondria |
| D. | None |
| Answer» B. Outer membrane of mitochondria | |
| 3686. |
Which organelle is observed in animal cell but absent in plant cell? (Manipal-1997) |
| A. | Centriole |
| B. | Mitochondria |
| C. | Endoplasmic reticulum |
| D. | Golgi apparatus |
| Answer» B. Mitochondria | |
| 3687. |
How many layers are there in the structure of thylakoid? (AMV-2003) |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 3688. |
Which type of arrangement is shown by flagella of eukaryotic cell? (CET-1992) |
| A. | 9+2 Arrangement |
| B. | 2+9 Arrengement |
| C. | 7+2 Arrangement |
| D. | 9+0 Arrangement |
| Answer» B. 2+9 Arrengement | |
| 3689. |
Microtubules are made up of by which protein? (Kerala PMT-2001) |
| A. | Tubulin |
| B. | Myosin |
| C. | Actin |
| D. | Durable protein |
| Answer» B. Myosin | |
| 3690. |
_______is a site for synthesis of glycolipids and glycoproteins. (CBSE-2011) |
| A. | Golgi apparatu |
| B. | Lysosome |
| C. | Plastid |
| D. | Mitochondria |
| Answer» B. Lysosome | |
| 3691. |
Which hormone regulate 24-hr rhythm of our body? |
| A. | Somatotropic |
| B. | LTH |
| C. | Melatonin |
| D. | T4 and T3 |
| Answer» D. T4 and T3 | |
| 3692. |
a and b hormones together maintain Ca+2 level of body? |
| A. | PTH and TCT |
| B. | PTH and aldosterone |
| C. | TCT and ADH |
| D. | T3 and T4 |
| Answer» B. PTH and aldosterone | |
| 3693. |
Given the name of A and B in the given diagram. |
| A. | Crystals,Starch granules |
| B. | Vacuoles,Nucleus |
| C. | Mitochondria,Golgi apparatus |
| D. | Golgi appartus chloroplast |
| Answer» B. Vacuoles,Nucleus | |
| 3694. |
Which of the following shows abnormality in skin, stunted growth and deaf-mutism? |
| A. | Exophthalmic goiter |
| B. | Hypothrodism, myxoadema |
| C. | Hypothrodism, cretinism |
| D. | Hyperthrodism, cretinism |
| Answer» C. Hypothrodism, cretinism | |
| 3695. |
What A and B indicate in the given diagram? |
| A. | Nucleolus,Nuclear membrane |
| B. | Nucleus,Chromatin |
| C. | Nucleus,Nucleolus |
| D. | Chromosome,Nuclear membrane |
| Answer» D. Chromosome,Nuclear membrane | |
| 3696. |
Which of the following is not effect of GH? |
| A. | Dwarfism |
| B. | Cretinism |
| C. | Development of all tissue |
| D. | Giantism |
| Answer» C. Development of all tissue | |
| 3697. |
Mention the type of chromosome in the given diagram. |
| A. | Metacentric |
| B. | Sub-Metacentric |
| C. | Acrocentric |
| D. | Telocentric |
| Answer» B. Sub-Metacentric | |
| 3698. |
If secretary cells of GHRH are damaged then ...... |
| A. | The process of cell division will be adversely affected |
| B. | Urine amount will increase |
| C. | Sugar level in blood increases |
| D. | ADH secretion will increase |
| Answer» B. Urine amount will increase | |
| 3699. |
It stimulates reabsorption of water from distal tubule of kidney |
| A. | ADH |
| B. | Oxytocin |
| C. | Glucagon |
| D. | None of the given |
| Answer» B. Oxytocin | |
| 3700. |
What A and B indicate in the given diagram. |
| A. | Granum,Stroma |
| B. | Granum,Thylakoids |
| C. | Stroma,Thylakoids |
| D. | Lumen,Granum |
| Answer» C. Stroma,Thylakoids | |