22339 + Interview Questions in Biology in Class 11 Page 209 InterviewSolution

10401.	Question : The lawn grass (Cyandon dactylon) needs to be mowed frequently to prevent its overgrowth. Which tissue is responsible for its rapid growth?
Answer» Solution :The CUT MERISTEMATIC tissue of lawn grass is responsible for its fast growth. When the TIP of the grass is cut repeatedly then it stimulates the growth of its LATERAL branches. That makes it more denser.

Discussion

10402.	Question : The law of limiting factors was proposed by
Answer» R. Emerson Robert Hill D. Amon F.F. Blackman Answer :D

Discussion

10403.	Question : The latest formed secondary xylem is located
Answer» Immediately external to VASCULAR CAMBIUM Immediately BENEATH the vascular cambium Immediately internal to phellogen Between secondary phloem and cork cambium Answer :B

Discussion

10404.	Question :The last segment of the earthworm is called......
Answer» SOLUTION :PYGIDIUM

Discussion

10405.	Question : The larval stage of Taenia solium is known as
Answer» HYDATID cyst Cysticercus Cercaria procercoid ANSWER :B

Discussion

10406.	Question :The larvae that exhibit extraintestinal migration and nocturnal periodicity respectively
Answer» Larva of WUCHERERIA and larva of TAENIA Larva of Taenia and larva of ASCARIS Larva of Ascrais and larva of Wuchereria Both are EXHIBITED by MICROFILARIA of Wuchereria Answer :C

Discussion

10407.	Question : The largest reservoir of nitrogen on earth is :
Answer» soil oceans air granite rocks Answer :C

Discussion

10408.	Question : The largest petal in a papilionaceous flower is known as …………
Answer» SOLUTION :STANDARD

Discussion

10409.	Question : The largest petal in a papilionaceous flower is .......
Answer» SOLUTION :STANDARD

Discussion

10410.	Question : The largest number of cell bodies of neurons in our body is found in :
Answer» BRAIN TONGUE KIDNEYS STOMACH SOLUTION :brain

Discussion

10411.	Question : The largest genus of earthworm is
Answer» Megascolex PHERETIMA Megascolides Lumbicus ANSWER :B

Discussion

10412.	Question : The largest classin Animalia is
Answer» INSECTA GASTROPODA CRUSTACEA Chilopoda ANSWER :A

Discussion

10413.	Question : The largest antherozoids are found in :
Answer» CYCAS CEDRUS EPHEDRA PINUS ANSWER :A

Discussion

10414.	Question : The largest and heaviest mammals in the world is ………………… .
Answer» blue WHALE ELEPHANT lion TIGER SOLUTION :blue whale

Discussion

10415.	Question : The largest alga is
Answer» Laminaria Macrocystis Nereocystis Saragassum ANSWER :B

Discussion

10416.	Question : The large hole in the temporal bone is the .............
Answer» SOLUTION :EXTERNAL AUDITORY MEATUS

Discussion

10417.	Question : The lactic acid generated during muscle contraction is converted to glycogen in
Answer» muscles kidney pancreas liver Answer :D

Discussion

10418.	Question : The lacteals are found in(a) spleen(b) mammary gland(c) salivary gland(d) villi
Answer» SPLEEN MAMMARY GLAND salivary gland villi Solution :villi

Discussion

10419.	Question : The kind of WBC that has bilobed nucleus and large cytoplasmic granules are
Answer» neutrophils basophils eosinophils monocytes ANSWER :C

Discussion

10420.	Question : The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in
Answer» NAILS EAR ossicles tip of the nose vertebrae ANSWER :B

Discussion

10421.	Question : The kidneys of frog are retroperitoneal because they are covered by peritoneum on
Answer» DORSAL surface VENTRAL surface only both on dorsal and ventral LATERAL surface Answer :B

Discussion

10422.	Question : The kidney of adult mammals is ___________.
Answer» Opisthonephron pronephros Mesonephros METANEPHROS SOLUTION :Metanephros

Discussion

10423.	Question : The juxtaglomerular cells of kidney produce erythropoietin which inhibits erythropoiesis (formation of RBC)
Answer» ANSWER :TRUE

Discussion

10424.	Question : The juvenile stage of the gametophyte of moss is
Answer» Green, filamentous and BRANCHED structure called protonema A tetraflagellate body Dorsoventrally flattened PLATE like body A colourless mass of tubular stuctures Answer :A

Discussion

10425.	Question : The junction between the axon of one neuron and the dendrite of the next is called
Answer» constant bridge junction point joint synapse Solution :Synape is a junction FOUND between the branches at the END of the AXON of ONE neuron and the dendrites or cell body of another neuron.Through this junction NERVE impulse transmits from one neuron to other.

Discussion

10426.	Question : The junction of two neurons is called …………..
Answer» SOLUTION :SYNAPSE

Discussion

10427.	Question : The junction between the motor neuron and the sarcolemma of the muscle fibre is called the ......
Answer» Solution :NEUROMUSCULAR JUNCTION or MOTOR END plate

Discussion

10428.	Question : The jumping of action potential form node to node (of Ranvier) in a fibre is called
Answer» All or NONE priciple Threshold stimulas Nodal condition Saltatory conduction Solution :In WHITE fibres (medullated) impule jumps from NODE to node, it is CALLED soltaory conduction.

Discussion

10429.	Question : The joints between the carpal bones are
Answer» GLIDING joints hinge joint Saddle joint pivot joints pivot joints Solution :Joints between carpal bones are gliding joints. A gliding joints is a type of SYNOVIAL joint whose articular surfacre is USUALLY FLAT, PERMITTING only back-and-forth and side-to-side movements.

Discussion

10430.	Question : The joint of radio-ulna with the upper arm is
Answer» hinge joint SOCKET joint pivot joint none of these. Solution :The joint of radius-ulna WEITH the UPPER arm is a hing joint. This joint allows the mevement only in a single PLANE.

Discussion

10431.	Question : The joint in which one of the two bones is fixed in its place and bears a peg like process over which the other bone rotates is called
Answer» hinge joint saddle joint pivot joint angular joint Solution :Pivot joint allows only a rotatory movement of one BONE on the other, which remains stationary. A ROUNDED end of one bone fits into a shallow pit of another bone. E.g., joint between atlas and axis vertebrae which enables the head to TURN from SIDE to side.

Discussion

10432.	Question : The joint of femur with pelvic girdle is
Answer» HINGE JOINT non-movable joint pivot joint ball and socket joint Solution :In a ball and socket joint, a ball LIKE structure one BONE fits into a socket like structure of ANOTHER bone. Joint between acetabulm of pelvic girdle (hip girdle) and head of fenur is an example of ball and socket joint.

Discussion

10433.	Question : The joint between carpal and metacarpals is .............
Answer» PIVOT joint Ball and socket joint SADDLE joint Hinge joint SOLUTION :Saddle joint

Discussion

10434.	Question : The joint between atlas and axis vertebrae that allows movement of head from side to side is a
Answer» PIVOT JOINT gliding joint ELLIPSOID joint hinge joint

Discussion

10435.	Question : The jelly like substance in a cell was identified by
Answer» CORTI & Fontana Dujardin Robert BROWN PURKINJE ANSWER :A

Discussion

10436.	Question : The jelly-like fluid protoplasmic matrix which surrounds thenucleus and constitutes the true internal milieu of the cellis called ....
Answer» SOLUTION :CYTOPLASM

Discussion

10437.	Question : The Islets of Langerhans are found in
Answer» pancreas stomach liver alimentary CANAL

Discussion

10438.	Question : The ......... is the boundary between a cell and its environment.
Answer» SOLUTION :PLASMA MEMBRANE

Discussion

10439.	Question : The irregular, elongated gland in between stomach and duodenum is
Answer» MIXED GLAND ENDOCRINE gland exocrine gland none Answer :A

Discussion

10440.	Question : The involuntary muscular movements of the alimentary canal are called ……………………………
Answer» SOLUTION :PERISTALSIS

Discussion

10441.	Question : The involuntary muscles that cause the wave like contractions pushing food along the intestine are :
Answer» STRIATED MUSCLES skeletal muscles SMOOTH muscles intercalated muscles Solution : smooth muscles

Discussion

10442.	Question : The interphase nucleus is enclosed in :
Answer» a non-POROUS DOUBLE MEMBRANE a non-porous SINGLE membrane a porous double membrane MANY membranes Solution :a porous double membrane

Discussion

10443.	Question : The internal bone surfaces are covered with a delicate connective tissue membrane called the ........
Answer» SOLUTION :ENDOSTEUM

Discussion

10444.	Question : The intermediate from kerb's cycle which is used for chlorophyll production is _______
Answer» Fumaric ACID Isocitric acid Succinic acid oxaloacetic acid Solution :Succinic acid

Discussion

10445.	Question : The intermediate compound which is not detected inplant tissues because of its great instability during nitrate reduction is ........................
Answer» SOLUTION :hyponitrite, HYDROXYLAMINE

Discussion

10446.	Question : The interior of the cell of the resting neuron is negative due to .......
Answer» greater EFFLUX of `NA^+` outside the cell than `K+` INFLUX into the cell. only greater efflux of `Na^+` outside the cell. greater efflux of `K^+` outside the cell than `Na^+` influx into the cell. Only greater efflux of `K^+` outside the cell. Solution :greater efflux of `K^+` outside the cell than `Na^+` influx into the cell.

Discussion

10447.	Question : The intercalary meristerm results in
Answer» APICAL growth secondary tissues primary tissues cambium Answer :C

Discussion

10448.	Question : The instrument which is used for measuring the humidity of air is known as:
Answer» HYGROMETER potometer auxanometer psychrometer Answer :A

Discussion

10449.	Question : The instrument by which BP is determined
Answer» ULTRASOUND BP meter stethoscope SPHYGMOMANOMETER Solution : sphygmomanometer

Discussion

10450.	Question : The innermost layer of the humen eye is
Answer» choroid cornea sclera retina Solution :The innermost LAYER of the HUMAN eye is retina which is a light sensitive layer.It CONSISTS of RODS and cones.

Discussion

Explore topic-wise InterviewSolutions in .

Question : The lawn grass (Cyandon dactylon) needs to be mowed frequently to prevent its overgrowth. Which tissue is responsible for its rapid growth?

Question : The law of limiting factors was proposed by

Question : The latest formed secondary xylem is located

Question :The last segment of the earthworm is called......

Question : The larval stage of Taenia solium is known as

Question :The larvae that exhibit extraintestinal migration and nocturnal periodicity respectively

Question : The largest reservoir of nitrogen on earth is :

Question : The largest petal in a papilionaceous flower is known as …………

Question : The largest petal in a papilionaceous flower is .......

Question : The largest number of cell bodies of neurons in our body is found in :

Question : The largest genus of earthworm is

Question : The largest classin Animalia is

Question : The largest antherozoids are found in :

Question : The largest and heaviest mammals in the world is ………………… .

Question : The largest alga is

Question : The large hole in the temporal bone is the .............

Question : The lactic acid generated during muscle contraction is converted to glycogen in

Question : The lacteals are found in(a) spleen(b) mammary gland(c) salivary gland(d) villi

Question : The kind of WBC that has bilobed nucleus and large cytoplasmic granules are

Question : The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in

Question : The kidneys of frog are retroperitoneal because they are covered by peritoneum on

Question : The kidney of adult mammals is ___________.

Question : The juxtaglomerular cells of kidney produce erythropoietin which inhibits erythropoiesis (formation of RBC)

Question : The juvenile stage of the gametophyte of moss is

Question : The junction between the axon of one neuron and the dendrite of the next is called

Question : The junction of two neurons is called …………..

Question : The junction between the motor neuron and the sarcolemma of the muscle fibre is called the ......

Question : The jumping of action potential form node to node (of Ranvier) in a fibre is called

Question : The joints between the carpal bones are

Question : The joint of radio-ulna with the upper arm is

Question : The joint in which one of the two bones is fixed in its place and bears a peg like process over which the other bone rotates is called

Question : The joint of femur with pelvic girdle is

Question : The joint between carpal and metacarpals is .............

Question : The joint between atlas and axis vertebrae that allows movement of head from side to side is a

Question : The jelly like substance in a cell was identified by

Question : The jelly-like fluid protoplasmic matrix which surrounds thenucleus and constitutes the true internal milieu of the cellis called ....

Question : The Islets of Langerhans are found in

Question : The ......... is the boundary between a cell and its environment.

Question : The irregular, elongated gland in between stomach and duodenum is

Question : The involuntary muscular movements of the alimentary canal are called ……………………………

Question : The involuntary muscles that cause the wave like contractions pushing food along the intestine are :

Question : The interphase nucleus is enclosed in :

Question : The internal bone surfaces are covered with a delicate connective tissue membrane called the ........

Question : The intermediate from kerb's cycle which is used for chlorophyll production is _______

Question : The intermediate compound which is not detected inplant tissues because of its great instability during nitrate reduction is ........................

Question : The interior of the cell of the resting neuron is negative due to .......

Question : The intercalary meristerm results in

Question : The instrument which is used for measuring the humidity of air is known as:

Question : The instrument by which BP is determined

Question : The innermost layer of the humen eye is