22339 + Interview Questions in Biology in Class 11 Page 232 InterviewSolution

11551.	Question : Stomata of a plant open due to
Answer» INFLUX of `K^(+)` EFFLUX of `K^(+)` Influx of `CL^(-)` Influx of `OH^(-)` Answer :A

Discussion

11552.	Question : Stomata having pores bounded by a single ring-shaped guard cell are found in
Answer» CAPSULE of FUNARIA LEAF of fern Pinnule of CYCAS All of these ANSWER :A

Discussion

11553.	Question : Stomata develops from
Answer» DERMAL TISSUE GROUND tissue HYPODERMAL tissue Acessory tissue Answer :A

Discussion

11554.	Question : Stomata can also open at night, present in
Answer» xerophytes gametophytes hydrophytes none of these

Discussion

11555.	Question : Stomata are usually open(a) at night, when the plant requires a supply of oxygen(b) during the day, when the plant requires a supply of carbon dioxide(c) during the day, when transpiration occurs(d) both (b) and (c )
Answer» at night, when the PLANT requires a supply of oxygen during the DAY, when the plant requires a supply of carbon dioxide during the day, when TRANSPIRATION occurs both (b) and (c ) ANSWER :D

Discussion

11556.	Question : Stomata that can also open at night, present in
Answer» Xerophytes Gametophytes Hydrophytes none of these Answer :A

Discussion

11557.	Question : Stomata are not found on the leaves of
Answer» SUBMERGED HYDROPHYTES ATTACHED FLOATING hydrophytes Marshy hydrophytes All of the above Answer :A

Discussion

11558.	Question : Stomata are usually open
Answer» WHENEVER there is excess water in the soil at NIGHT, when the PLANT requires a supply of oxygen during the day, when the plant requires a supply of CARBON dioxide all of the above Answer :C

Discussion

11559.	Question : What are called stomata ?
Answer» Solution :Location : On both the SURFACE of leaf FUNCTION : Exchangeof gasesand TRANSPIRATION

Discussion

11560.	Question : Stomach is located in the upper left portion of the abdominal cavity and has three major parts. Name these three parts.
Answer» Solution :(a) Fundus (B) Cardiac (C) Pyloric

Discussion

11561.	Question : Stomach clear out pathogens with the help of
Answer» SECRETING HCI Secreting hormone Both 1 and 2 None of these Answer :A

Discussion

11562.	Question : Stolon, offset and rhizome are different forms of stem modifications. How can these modified forms of stem be distinguished from each other ?
Answer» SOLUTION :Modification of STEM : Stem modifies into different WAYS like Stolon, OFFSET and Rhizome. They can be identified SEPARATELY in following way.

Discussion

11563.	Question : Stoma is surrounded by kidney shaped guard cells in monocots.
Answer» SOLUTION :GUARD CELLS in MONOCOTS are dumb-bell SHAPED.

Discussion

11564.	Question : Stolon :
Answer» Solution :In Nephrolapis and STRAWBERRY, a horizontal branch from the base of a plant that PRODUCES new PLANTS from buds at its tip or NODES.

Discussion

11565.	Question : Stirred tank bioreactors have been designed for
Answer» ADDITION of PRESERVATIVES to the PRODUCT purification of the product ensuring anaerobic conditions in the culture vessel availability of OXYGEN THROUGHOUT the process Answer :D

Discussion

11566.	Question : Stipules are modified into tendrils in :
Answer» GLORIOSA SMILAX LATHYRUS aphaca Pisum sativum Solution :Smilax

Discussion

11567.	Question : Stipules :
Answer» Solution :The leaf is attached to the stem by the leaf base and MAY bear TWO LATERAL small leaf like STRUCTURES called STIPULES.

Discussion

11568.	Question : Stipular tendril :
Answer» Solution :The stem is weak in PEA plant. In that leaflets of compound leaf get CONVERTED into stem tendril and help in climbing. So STIPULES are big in pea, help in PHOTOSYNTHESIS being leaf like stem. It is called STIPULAR tendril.

Discussion

11569.	Question : Stipitate ovary is seen in .......
Answer» SOLANACEAE LILIACEAE FABACEAE Apocyanaceae SOLUTION :Solanaceae

Discussion

11570.	Question : Still roots arising from the basal nodes of plants like maize and sugar cane are also called as
Answer» PILLAR roots Prop roots Fibrous roots BRACE roots ANSWER :D

Discussion

11571.	Question : Stethoscope is an instrument which is used to detect the sounds of the heart Mention the two sounds of the heart
Answer» SOLUTION :LUB, DUB

Discussion

11572.	Question : Stethoscope is an instrument which is used to detect the sounds of the heart Give causes of heart sound
Answer» Solution :LUB - Closure of tricuspid and bicuspid VALVES during ventricular SYSTOLE Dub - Closure of SEMILUNAR valves during joint diastole

Discussion

11573.	Question : Sterocilia occur in
Answer» Pseudostraified COLUMNAR EPITHELIUM of trachea Answer :D

Discussion

11574.	Question :Indicate the given statement is true or false.Sternum is present on the ventral side of the body.
Answer» ANSWER :TRUE

Discussion

11575.	Question : Sternum is present on ventral side of the body.
Answer» ANSWER :T

Discussion

11576.	Question :Sternum is present on the ventral side of the body.A.TrueB.False
Answer» ANSWER :TRUE

Discussion

11577.	Question : State true or false, Sternum is present on the ventral side of the body.
Answer» ANSWER :TRUE

Discussion

11578.	Question : Sterilization techniques are generally fool proof methods of contraception with least side effects. yet, this is the last option for the couples because i) It is almost irreversible ii) of the misconception that it will reduce sexual urge/drive iii) it is a surgical procedure iv) of lack of sufficient facilities in many parts of the country Choose the correct option.
Answer» (i) and (III) (II) and (iii) (ii) and (IV) (i), (ii), (iii) and (iv) ANSWER :D

Discussion

11579.	Question : Sterile stamen is called ................
Answer» pistillode sessile STAMINODE apostamen Solution :staminode

Discussion

11580.	Question : Sterile stamen is
Answer» Pistillode STAMINODE GALL stamen Sterile CARPEL ANSWER :B

Discussion

11581.	Question : Steps taken by the Government of India to control air pollution include
Answer» COMPULSORY PUG (Pollution Under Control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons permission to use only pure diesel with a maximum of 500 ppm SULPHUR as fuel for Vehicles use of non-polluting compressed natural gas (CNG) only as fuel by all buses and trucks compulsory MIXING of 20% ethyl alcohol with petrol and 20% BIODIESEL with diesel Answer :A

Discussion

11582.	Question : Stems modified into flat green organs performing the functions of leaves are known as
Answer» PHYLLOCLADES SCALES cladodes phyllodes Answer :A

Discussion

11583.	Question : Stems and leaves of bryophytes are
Answer» ANALOGOUS to vascular plants Homologous to vascular plants Analogous to algae THALLUS NONE of these ANSWER :A

Discussion

11584.	Question : Stem is most reduced in
Answer» Phylloclade Bulbil Corm Rhizome Answer :B

Discussion

11585.	Question : Stem cells that can differentiate into various types of cells that are related in an organism is called
Answer» MULTIPOTENT Oligopotent PLURIPOTENT Unipotent

Discussion

11586.	Question : Stelar tissue originate from
Answer» Dematogen PLEROME PERIBLEM TUNICA layer Answer :B

Discussion

11587.	Question : Stele with star shaped xylem is
Answer» Actinostele Plectostele Dictyostele Atactostele Answer :a

Discussion

11588.	Question : Stele includes
Answer» XYLEM and PHLOEM Xylem, phloem, PERICYCLE, PITH Xylem, phloem, pith only Xylem, phloem, endodermis Answer :B

Discussion

11589.	Question : Static equilibrium is maintained by
Answer» utriculus sacculus both (i) and (II) SEMICIRCULAR CANALS

Discussion

11590.	Question : Statements I. Recent studies suport competition as suggested in 'Gause's competitive exclusion principle. II. Gause's hypothesis says if two species compete for same resources then one will be eliminated by another species III. More recent studies point out that species facing competition might evolve mechanism that promto co-existence rather than exclusion IV. Gause's competive exclusion principle is effective when resources are in excess V. Unlimited resources given better oppertunity for adaptation Choose the correct combination of statements
Answer» I,II and III II,III and IV III,IV and V I,IV and V Answer :A

Discussion

11591.	Question : Statements (A). Plasma constitutes 45% of the human blood (B) Albumin is a plasma protein which helps in osmotic balance (C) Factors responsible for the blood clotting serum (E) Minerals are not generally found in blood Of the above statements
Answer» Only E is wrong and all other A to D are CORRECT A and B are correct and C, D and E are wrong B and D are correct and A, C and B, C and D correct and A and E are wrong

Discussion

11592.	Question : Statements I. mutualistic relationship evolve when benefit of both spcies out weight the lost II. Mutualism under weight the lost III. Human caused altering competion between species Select the wrong pair from statements
Answer» I and III II and III I and IV II and IV Answer :B

Discussion

11593.	Question : Statements (A). A-bands of the muscle is dark and contain myosin (B). I-bands are the light bonds and contain actin (C). During muscle contraction the A-bond contracts (D). The part between the two Z-lines is called as sarcomere (E). The central part of thin filament, not overlapped by thick filament is called H-zone Of the above statements
Answer» A, B and C are CORRECT while D and E are INCORRECT A, C, E, are correct while C, D and E are incorrect A, B, C and are correct while D is incorrect A, B and D are correct while C and E are incorrect

Discussion

11594.	Question : Statement X : First prophase of meiosis is complex.Statement Y: There are 5 sub stages in first prophase. Statement Z: Prokaryotic cell divides only for one.(A) Statement X, Y correct, Z incorrect (B) Statement X, Y incorrect, Z correct (C) Statement X, Z correct, Y incorrect (D) Statement Y, Z correct, X incorrect
Answer» STATEMENT X, Y CORRECT, Z incorrect Statement X, Y incorrect, Z correct Statement X, Z correct, Y incorrect Statement Y, Z correct, X incorrect ANSWER :D

Discussion

11595.	Question : Statement: Plant cells do not rupture when placed in distilled water. Statement 2: Animal cells rupture when placed in distilled water
Answer» Both statements`1` and`2`are correct. Statement`1` is correct but statement `2`is incorrect. Statement `1`is incorrect but statement `2` is correct. Both statements `1`and`2`are correct. Solution : when a plant cell is placed in pure distilled water the water enters into the cell .Cell WALL is outer rigid protective and supportive COVERING of a plant cell, which prevents the bursting of plant cell by inhibiting excessive endosmosis On the other hand animal CELLS rupture if they are placed in distilled water due to the absence of cell wall.

Discussion

11596.	Question :Statement-I : Roots play significant role in balancing Pistia plant Statement-II : Root system has secondary importance in Hydrophytes
Answer» Staement-I, statement-II are CORRECT Staement-I is TRUE statement-II is FALSE Staement-I is false statement-II is true Staements I & II are false Answer :A

Discussion

11597.	Question : Statement I : Interferons are proteinaceous, antibacterial and species specific substance product by mammalian cells when injected with bacteria. Statement II : Interferons and Human blood clotting factor VIII can be isolated from blood but with same risk.
Answer» Both I and II are CORRECT I is correct II is WRONG Both I and II are wrong I is wrong II is correct ANSWER :C

Discussion

11598.	Question : Statement 1: Xylem transport is unidirectional. Statement 2: Phloem transport is bi-directional.
Answer» Both statements `1` and `2`are correct. Statement `1` is correct but statement `2` is incorrect. Statement `1` is Incorrect but statement `2` is correct. Both statement `1` and `2` are incorrect. Solution :Water passage from ROOT HAIR to xylem and then to other parts is undirectional (unidirectional upwards in xylem). The dirction of movement of organic solutes in phloem can be upwards or DOWNWARDS `i.e.` bi-directional.

Discussion

11599.	Question : Statement 1: the process of diffusiondoes not require any input of energy. Statement 2: Diffusion involves movement of particles from a region of higher concentration to a region of lower concentation.
Answer» Both statements `1`and `2` are correct. STATEMENT `1` is correct but statement `2` is INCORRECT. Statement `1` is incorrect but statement `2` is correct. Both statements `1` and `2` are incorrect. Answer :A

Discussion

11600.	Question :Statement - 1: Root cap protects the root apical meristem from the effect of the soil particles Statement - 2 : Hard soil particles damage the outer cells of root cap which are peeled off and replaced by new cells produced by root meristem
Answer» STATEMENTS 1 & 2 incorrect Statement 1 is incorrect, Statement 2 is correct Statement 1 is correct, Statement 2 is incorrect Both statements are correct Answer :D

Discussion

Explore topic-wise InterviewSolutions in .

Question : Stomata of a plant open due to

Question : Stomata having pores bounded by a single ring-shaped guard cell are found in

Question : Stomata develops from

Question : Stomata can also open at night, present in

Question : Stomata are usually open(a) at night, when the plant requires a supply of oxygen(b) during the day, when the plant requires a supply of carbon dioxide(c) during the day, when transpiration occurs(d) both (b) and (c )

Question : Stomata that can also open at night, present in

Question : Stomata are not found on the leaves of

Question : Stomata are usually open

Question : What are called stomata ?

Question : Stomach is located in the upper left portion of the abdominal cavity and has three major parts. Name these three parts.

Question : Stomach clear out pathogens with the help of

Question : Stolon, offset and rhizome are different forms of stem modifications. How can these modified forms of stem be distinguished from each other ?

Question : Stoma is surrounded by kidney shaped guard cells in monocots.

Question : Stolon :

Question : Stirred tank bioreactors have been designed for

Question : Stipules are modified into tendrils in :

Question : Stipules :

Question : Stipular tendril :

Question : Stipitate ovary is seen in .......

Question : Still roots arising from the basal nodes of plants like maize and sugar cane are also called as

Question : Stethoscope is an instrument which is used to detect the sounds of the heart Mention the two sounds of the heart

Question : Stethoscope is an instrument which is used to detect the sounds of the heart Give causes of heart sound

Question : Sterocilia occur in

Question :Indicate the given statement is true or false.Sternum is present on the ventral side of the body.

Question : Sternum is present on ventral side of the body.

Question :Sternum is present on the ventral side of the body.A.TrueB.False

Question : State true or false, Sternum is present on the ventral side of the body.

Question : Sterile stamen is called ................

Question : Sterile stamen is

Question : Steps taken by the Government of India to control air pollution include

Question : Stems modified into flat green organs performing the functions of leaves are known as

Question : Stems and leaves of bryophytes are

Question : Stem is most reduced in

Question : Stem cells that can differentiate into various types of cells that are related in an organism is called

Question : Stelar tissue originate from

Question : Stele with star shaped xylem is

Question : Stele includes

Question : Static equilibrium is maintained by

Question : Statements (A). Plasma constitutes 45% of the human blood (B) Albumin is a plasma protein which helps in osmotic balance (C) Factors responsible for the blood clotting serum (E) Minerals are not generally found in blood Of the above statements

Question : Statements I. mutualistic relationship evolve when benefit of both spcies out weight the lost II. Mutualism under weight the lost III. Human caused altering competion between species Select the wrong pair from statements

Question : Statement: Plant cells do not rupture when placed in distilled water. Statement 2: Animal cells rupture when placed in distilled water

Question :Statement-I : Roots play significant role in balancing Pistia plant Statement-II : Root system has secondary importance in Hydrophytes

Question : Statement I : Interferons are proteinaceous, antibacterial and species specific substance product by mammalian cells when injected with bacteria. Statement II : Interferons and Human blood clotting factor VIII can be isolated from blood but with same risk.

Question : Statement 1: Xylem transport is unidirectional. Statement 2: Phloem transport is bi-directional.

Question : Statement 1: the process of diffusiondoes not require any input of energy. Statement 2: Diffusion involves movement of particles from a region of higher concentration to a region of lower concentation.

Question :Statement - 1: Root cap protects the root apical meristem from the effect of the soil particles Statement - 2 : Hard soil particles damage the outer cells of root cap which are peeled off and replaced by new cells produced by root meristem