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.
| 3401. |
The five kingdom classification was given by .......... (BYP-2002) |
| A. | Whittaker |
| B. | Linnaeus |
| C. | Copeland |
| D. | Haeckel |
| Answer» B. Linnaeus | |
| 3402. |
In classification the category below the level of family is .......... (CET-98) |
| A. | clas |
| B. | species |
| C. | phylum |
| D. | genus |
| Answer» E. | |
| 3403. |
True species are .......... (CBSE-2002) |
| A. | interbreeding |
| B. | sharing the same niche |
| C. | feeding on the same food |
| D. | reproductively isolated |
| Answer» E. | |
| 3404. |
Which is the first step of taxonomy ? (MGIMS-2002) |
| A. | nomenclature |
| B. | classification |
| C. | identification |
| D. | hierarchical arrangement |
| Answer» D. hierarchical arrangement | |
| 3405. |
Taxon is .......... (CET-2000) |
| A. | specie |
| B. | unit of classification |
| C. | highest rank in classification |
| D. | group of closely related |
| Answer» C. highest rank in classification | |
| 3406. |
Binomial nomenclature was given by .......... (BHU-97) |
| A. | Huxley |
| B. | Ray |
| C. | Darwin |
| D. | Linnaeus |
| Answer» E. | |
| 3407. |
Inbreeding is possible between two members of .......... (AMU-2005) |
| A. | order |
| B. | family |
| C. | genus |
| D. | species |
| Answer» E. | |
| 3408. |
Growth in plant is .......... (pmt-99) |
| A. | limited |
| B. | life long |
| C. | diffusable |
| D. | unlocalized |
| Answer» C. diffusable | |
| 3409. |
Which of the following taxons cover a greater number of organisms ? (PMT-2001) |
| A. | order |
| B. | family |
| C. | genus |
| D. | phylum |
| Answer» E. | |
| 3410. |
Which is the lowest level of organization in the living kingdoms ? (CET-98) |
| A. | molecular level |
| B. | cellular level |
| C. | population |
| D. | tissue level |
| Answer» B. cellular level | |
| 3411. |
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for .......... (CBSE-2007). |
| A. | interaction with the environment and progressive evolution |
| B. | reproduction |
| C. | growth and movement |
| D. | responsiveness to touch |
| Answer» C. growth and movement | |
| 3412. |
Carl Linnaeus is famous for .......... (GGSPU-2002) |
| A. | coining the term ‘systematics’ |
| B. | introducing binomial nomenclature |
| C. | giving all natural system of classification |
| D. | all of these |
| Answer» C. giving all natural system of classification | |
| 3413. |
Binomial nomenclature refers to .......... (CET-2000) |
| A. | Two names of a species |
| B. | one specific and one local name of a species |
| C. | two words for the name of a species |
| D. | two life cycles of an organism |
| Answer» D. two life cycles of an organism | |
| 3414. |
The smallest unit of classification is .......... (GGSPU-2002) |
| A. | specie |
| B. | sub-species |
| C. | class |
| D. | genus |
| Answer» B. sub-species | |
| 3415. |
One of the following includes most closely linked organisms (PMT-2001) |
| A. | specie |
| B. | genus |
| C. | family |
| D. | class |
| Answer» B. genus | |
| 3416. |
Species are considered as .......... (CBSE-2003) |
| A. | real basic units of classification |
| B. | the lowest units of classification |
| C. | artificial concept of human mind which cannot be defined in absolute terms |
| D. | real units of classification devised by taxonomists |
| Answer» B. the lowest units of classification | |
| 3417. |
In taxonomy, class comes in between .......... (CET-2002) |
| A. | kingdom and order |
| B. | phylum and order |
| C. | kingdom and family |
| D. | family and genus |
| Answer» C. kingdom and family | |
| 3418. |
First botanist to give binomial nomenclature was .......... (WARDHA-2000) |
| A. | Baubin |
| B. | Aristotle |
| C. | Linnaeus |
| D. | Hutchinson |
| Answer» D. Hutchinson | |
| 3419. |
Which of these is correct order of hierarchy ? (WARDHA-2002) |
| A. | kingdom, division, phylum genus & species |
| B. | phylum, division, genus & class |
| C. | kingdom, genus, class, phylum & division |
| D. | phylum, kingdom, genus, species &class |
| Answer» B. phylum, division, genus & class | |
| 3420. |
The unit of classification containing concrete biological entities is .......... (WARDHA-2003) |
| A. | taxon |
| B. | species |
| C. | category |
| D. | order |
| Answer» B. species | |
| 3421. |
Who coined the term ‘taxonomy’ ? (BVP-2003) |
| A. | Candolle |
| B. | Waksman |
| C. | Leuwenhoek |
| D. | Louis Pasteur |
| Answer» B. Waksman | |
| 3422. |
Taxon includes .......... (PMT-2002) |
| A. | Genus and specie |
| B. | kingdom and division |
| C. | all ranks of hierarchy |
| D. | none of the above |
| Answer» D. none of the above | |
| 3423. |
Which is the state plant of Gujarat ? |
| A. | Polyalthia |
| B. | Prosopis |
| C. | Ficus |
| D. | Neem |
| Answer» E. | |
| 3424. |
Which is not a unit of taxonomic category ? (BVP-2002) |
| A. | serie |
| B. | glumaceae |
| C. | class |
| D. | phylum |
| Answer» C. class | |
| 3425. |
Which is the wild flower of symbol of Gujarat state ? |
| A. | Calotropis procera |
| B. | Eicchornia cresipis |
| C. | Indian laburnum |
| D. | Oscimum sanctum |
| Answer» D. Oscimum sanctum | |
| 3426. |
Which is the correct one regarding to bird sanctuaries in Gujarat ? |
| A. | Thol, Nalsarovar, Narayan sarovar |
| B. | Nalsarovar, Shoolpaneshwar, Vansda |
| C. | Thol, Narayan sarovar, Velavadar |
| D. | Ratanmahal, Nalsarovar, Vansda |
| Answer» B. Nalsarovar, Shoolpaneshwar, Vansda | |
| 3427. |
Statement A : Thousands of years ago agriculture began Statement B : At the same time animal husbandary, dairy farming, poltry & fisheries developed. Which statement is correct for statement A and reson R. |
| A. | Both A and R are correct R is the correct explanation of A. |
| B. | Both A and R are correct, but R is not correct explanation of A. |
| C. | A is correct and R is wrong. |
| D. | A is wrong and R is correct. |
| Answer» D. A is wrong and R is correct. | |
| 3428. |
Which one is maintained in botanical garden of Waghai in Gujarat ? |
| A. | Fibrous plant |
| B. | Etable plants |
| C. | Economical plants |
| D. | medicinal plant |
| Answer» E. | |
| 3429. |
Which one is correct for tropical forest of Gujarat ? |
| A. | Thorn forest |
| B. | Moist deciduous forest |
| C. | Dry deciduous forest |
| D. | all the given |
| Answer» E. | |
| 3430. |
In dorsiventral leaf, the number of stomata per unit area are generally. |
| A. | Same on both the surface |
| B. | More on lower surface (epidermis) |
| C. | More on upper surface (epidermis) |
| D. | Absent on upper surface |
| Answer» C. More on upper surface (epidermis) | |
| 3431. |
Seeds placed in water imbibe the water becasue of |
| A. | Exosmosi |
| B. | Higher Ψ W |
| C. | Lower Ψ W |
| D. | Pressure of vacuoles |
| Answer» D. Pressure of vacuoles | |
| 3432. |
If the external solution is more dilute than the cytoplasm is known as .......... . |
| A. | Hypertonic |
| B. | Hypotonic |
| C. | Isotonic |
| D. | ‘a’ and ‘b’ both |
| Answer» C. Isotonic | |
| 3433. |
The pressure that prevails in cell due to number of substances dissolved in cell sap is .......... . |
| A. | Wall pressure |
| B. | Turgor pressure |
| C. | Osmotic pressure |
| D. | Diffusion pressure |
| Answer» D. Diffusion pressure | |
| 3434. |
The pressure at which the entry of water across the semipermiable membrane stops is called ..... |
| A. | Turgor pressur |
| B. | Root pressure |
| C. | Osmotic pressure |
| D. | Diffusion pressure |
| Answer» D. Diffusion pressure | |
| 3435. |
The +ve value of Ψ P is called .......... |
| A. | Osmotic pressure |
| B. | Root pressure |
| C. | Turgor pressure |
| D. | Imbibation pressure |
| Answer» D. Imbibation pressure | |
| 3436. |
Membrane protein is responsible for transport of |
| A. | Water molecule |
| B. | Transpiration of H2O |
| C. | Active transport |
| D. | Passive transport |
| Answer» D. Passive transport | |
| 3437. |
In thistle funnel experiment, entry of water into thistle funnel stops after some time automatically due to |
| A. | Diffusion of sugar out of thistle funnel. |
| B. | External and internal solutions become isotonic. |
| C. | Development of hydrostatic pressure in the thistle funnel. |
| D. | Development of hydrostatic pressure in the beaker. |
| Answer» D. Development of hydrostatic pressure in the beaker. | |
| 3438. |
In plants the process in which loss of water occurs in form of water vapour is |
| A. | Respiration |
| B. | Guttation |
| C. | Transpiration |
| D. | Exosmosis |
| Answer» D. Exosmosis | |
| 3439. |
Which elements are readily mobilized in plants ? |
| A. | S, N, Mo |
| B. | K, N, Mo |
| C. | P, S, N |
| D. | S, N, B |
| Answer» D. S, N, B | |
| 3440. |
Passage of water across a selectively permeable membrane is |
| A. | Active transport |
| B. | Pinocytosis |
| C. | Facilitated difusion |
| D. | Osmosis |
| Answer» E. | |
| 3441. |
Stomatal frequency indicates. |
| A. | Number of stomata per unit area |
| B. | Rate of water loss |
| C. | Rate of gaseous exchange |
| D. | Width of stomatal aperature |
| Answer» B. Rate of water loss | |
| 3442. |
When a cell is placed in 0.50M concentrated sugar solution, there is no change in it. So the external solution is called .......... . |
| A. | Hypertonic |
| B. | Isotonic |
| C. | Hypotonic |
| D. | Colloidal |
| Answer» C. Hypotonic | |
| 3443. |
The plasmolysed cells regain turgidity and assume original volume under infuence of hypotonic solution. The process is called |
| A. | Plasmolysi |
| B. | Deplasmolysis |
| C. | Endo osmosis |
| D. | Exo osmosis |
| Answer» C. Endo osmosis | |
| 3444. |
The value of osmotic pressure depends on .......... . |
| A. | Concentration of solute |
| B. | Concentration of solvent |
| C. | Concentration of solution |
| D. | Concentration of substrate |
| Answer» D. Concentration of substrate | |
| 3445. |
In term of fixing CO2, C4 plants are .......... efficient as C3 plants. |
| A. | Thrice |
| B. | Twice |
| C. | Less |
| D. | Not |
| Answer» C. Less | |
| 3446. |
Select unicellular organism which possess cillia. |
| A. | Amoeba |
| B. | Paramoecium |
| C. | Yeast |
| D. | Opalina |
| Answer» C. Yeast | |
| 3447. |
A .......... force exists between the walls of xylem vessels and water. |
| A. | Cohesion |
| B. | Gravitational |
| C. | Adhesive |
| D. | Transpiration pull |
| Answer» D. Transpiration pull | |
| 3448. |
What happens in this figure ? |
| A. | Exo osmosi |
| B. | Endo osmosis |
| C. | Cell swollen |
| D. | Cell remain in same condition |
| Answer» E. | |
| 3449. |
Stomatal aperature is surrounded by guard cells and opens when guard cells are |
| A. | Flaccid |
| B. | Turgid |
| C. | Bean shaped |
| D. | Dumb-bell shaped |
| Answer» C. Bean shaped | |
| 3450. |
In older dying leaves to younger leaves the mineral ions are assimilated into .......... . |
| A. | In organic compound |
| B. | Organic compound |
| C. | Deposition of Inorganic compound and organic compou |
| Answer» C. Deposition of Inorganic compound and organic compou | |