22339 + Interview Questions in Biology in Class 11 Page 249 InterviewSolution

12401.	Question : Reserve food characteristic of brown algae is
Answer» FUCOXANTHIN Floridean starch Carrageen LAMINARIN ANSWER :D

Discussion

12402.	Question : Reserve food in Rhodophyceae is
Answer» OIL droplets Mannitol Floridean starch Pyrenoids Answer :C

Discussion

12403.	Question :Researchers like Robert Constanza et.al., have put an average price tag of US$_____ trillion a year on the fundamental ecological services
Answer» 33 50 6 18 Answer :A

Discussion

12404.	Question : Reptiles produce very little ................ urine
Answer» HYPOTONIC HYPERTONIC ISOTONIC NONE of the above SOLUTION :hypotonic

Discussion

12405.	Question : Reptiles share which of the following character with birds and mammals?
Answer» AMNION HOMEOTHERMY DIAPHRAGM Hipple SOLUTION :Amnion

Discussion

12406.	Question : Reptiles moved fully onto land owing to : (a) tough skin(b) amniote eggs(c) internal fertilization(d) all of these
Answer» TOUGH SKIN AMNIOTE eggs internal fertilization all of these Answer :D

Discussion

12407.	Question : Reptiles without teeth are
Answer» LIZARDS SNAKES CROCODILES TURTLES ANSWER :D

Discussion

12408.	Question : Reptiles have large yolk-filled eggs having a special third membrane called ................
Answer» ANSWER :AMNION

Discussion

12409.	Question : Reptiles and birds are known as (i) animals. In these animals, the development of zygote takes place (ii) the female body. The information in which alternative completes the given statements?
Answer» `{:("I",II),("OVIPAROUS","outside"):}` `{:("I",ii),("Oviparous","INSIDE"):}` `{:("I",ii),("viviparous","outside"):}` `{:("I",ii),("viviparous","inside"):}` Answer :A

Discussion

12410.	Question : Reptiles, birds, land snails and insects excrete ..........
Answer» AMMONIA urea URIC ACID purines Solution :uric acid

Discussion

12411.	Question : Reproductive organs, copulatory appendages and anal cerci receive nerves from
Answer» `6^(th)` abdominal GANGLION in `7^(th)` SEGMENT `7^(th)` abdominal ganglion in `8^(th)` segment `6^(th)` abdominal ganglion in `6^(th)` segment `5^(th)` abdominal ganglion in `6^(th)` segment Answer :A

Discussion

12412.	Question : Reproduction in Paramecium is controlled by …………… .
Answer» FLAGELLA CELL WALL MICRONUCLEUS macronucleus Answer :C

Discussion

12413.	Question : Repository of cell is
Answer» MITOCHONDRIA CHLOROPLAST Lysosome Vacuole ANSWER :D

Discussion

12414.	Question : Replication of DNA occurs at ____phase.
Answer» `G_(0)` `G_(1)` `S` `G_2` SOLUTION :S

Discussion

12415.	Question : Renin is secreted from
Answer» juxtaglomerular CELLS PODOCYTES nephridia stomach Answer :A

Discussion

12416.	Question : Rennet is used in
Answer» BREAD MAKING Fermentation Cheese making SYNTHESIS of antibiotics Answer :C

Discussion

12417.	Question : Renin converts ..................... into angiotensin I.
Answer» SOLUTION :ANGIOTENSINOGEN

Discussion

12418.	Question : Renin acts on milk protein and changes……… .
Answer» Caesinogen into caesin Caesin into paracaesin Caesinogen into paracoesin Paravaesin into Cacsinogen SOLUTION :N/A

Discussion

12419.	Question : Identify the correct statements from the below about "Renal calculi". (I) Renal calculi, also called renal stone or kidney stone or nephrolithiasis. (II) It is mainly due to the accumulation of soluble crystals of salts of sodium oxalates and certain phosphates. (III) This result in severe pain called "renal colic pain" and can cause scars in the kidneys. (IV) Renal stones can be removed by techniques like pyleothotomy or lithotripsy.
Answer» SOLUTION :PYLEOTHOTOMY

Discussion

12420.	Question :Renin converts caseinogen into casein is the presence of ................ions.
Answer» SOLUTION :N/A

Discussion

12421.	Question : Renal portal system is absent in mammals. Give Reason.
Answer» Solution :1. Fishes and amphibians have a well DEVELOPED renal portal system. This is reduced in REPTILES. In mammals it ultimately dissappears. 2. In mammals there is complete separation of oxygenated and deoxygenated blood. Posterior PORTION of the BODY gets oxygenated blood from the heart and after oxidation etc the blood does not contain much of impurities. Hence it is not sent to kidneys for filtration.

Discussion

12422.	Question : Renal portal system is absent in ……………………. .
Answer» REPTILES AMPHIBIANS reptiles and amphibians BIRDS SOLUTION :amphibians

Discussion

12423.	Question : Renal portal system is absent in ............ .
Answer» Reptiles Amphibians Reptiles and amphibians Birds Answer :D

Discussion

12424.	Question : Renal pelvis, renal cortex, renal medulla, renal papillae
Answer» ANSWER :RENAL papilae

Discussion

12425.	Question : Renal calculi is due to accumulation of soluble crystals of ...................... and certain phosphates.
Answer» SOLUTION :SODIUM OXALATES

Discussion

12426.	Question : Renal corpuscles can be divided into :
Answer» BOWMAN's CAPSULE and glomerulus Arteriole and glomerulus Arteriole and Bowman's capsule Afferent and EFFERENT arteriole Answer :A

Discussion

12427.	Question : Removal of ring wood of tissue outside the vascular cambium from the tree trunk kill it because
Answer» water cannot MOVE up food does not TRAVEL down and root BECOME starved shoot become starved annual rings are not produced Answer :B

Discussion

12428.	Question : Removal of apical ( terminal) bud of a flowering plant ( or prunning of a flowering plant ) leads to
Answer» FORMATION of new apical buds formation of ADVENTITIOUS roots the cut side early flowering ( or STOPPING floral GROWTH ) promotion of LATERAL branches

Discussion

12429.	Question : Removal of amino group of amino acid to transform in into keto acid is
Answer» transamination ammonification deamination None of these

Discussion

12430.	Question : Removal of amino group from an amino acid is called :
Answer» Amination Deamination Excretion Defaecation Answer :B

Discussion

12431.	Question : Release of inorganic nutrients from humus by microbes is
Answer» Humification Catabolism Mineralization Fragmentation Answer :C

Discussion

12432.	Question : Relay pump theory was put forth by ........... .
Answer» ATKINS and Preistley Strasburger and Overton Godlewski J.C. Bose Answer :C::D

Discussion

12433.	Question : Relatively more permeable membrane of chloroplast is
Answer» OUTER MEMBRANE inner membrane THYLAKOID membrane (4) Granum Answer :A

Discussion

12434.	Question : Relative rates of red blood cell production in the bone marrow of different bones at different ages are shown in the graph P,Q and R are likely to be, respectively
Answer» VERTEBRA, RIB and tibia femur, CARPAL and rib tibia, FIBULA and femur radius, STERNUM and carpal Answer :A

Discussion

12435.	Question : Reinder moss is a lichen used as food by man. This belongs to the genus
Answer» Cetraria Lobaria Usnea Cladonia Answer :D

Discussion

12436.	Question : Regulation and initiation of heartbeat is indicated by .........
Answer» AV Node - BUNDLE of His muscle - SA node - purkinje fber SA Node -purkinje fiber AV Node- Bundle of His muscle Purkinje fiber - AV Node SA node- Bundle of His muscle SA Node - AV Node - Bundle of His muscle- Purkinje fiber Solution :SA Node - AV Node - Bundle of His muscle- Purkinje fiber

Discussion

12437.	Question : Regions on axon where fatty sheath is absent.
Answer» Solution :Nodes of ranvier are PLACES where MYELIN SHEATH is ABSENT in a NEURON. They are present on the axon of neuron.

Discussion

12438.	Question : Region of nephron found ikn renal medulla is
Answer» malpigbian corpuscles PCT DCT loop of HENLE

Discussion

12439.	Question : Regeneration of arms of star fish is due to ____
Answer» Meiosis Amitosis MITOSIS Budding Solution :Mitosis

Discussion

12440.	Question : Regarding simple pits, the true statement is
Answer» SECONDARY WALL arches over the pit CHAMBER Diameter of pit chamber is uniform throughout Diameter of pit aperture is bigger than that of pit cavity They are FORMED over the primary pit field only Answer :B

Discussion

12441.	Question : Refrigerated fruits maintain flavour and taste for longer period due to
Answer» non-availability of `O_(2)` presence of EXCESS of `CO_(2)` presence of excess humidity slower RATE of RESPIRATION ANSWER :D

Discussion

12442.	Question : Reflex arc consists of
Answer» MOTOR nerve sensory nerve both of these none of these

Discussion

12443.	Question : Referto the given table and select the option that correctly fills the blanks in it.
Answer» `{:(A,B,C,D),(No,YES,No,No):}` `{:(A,B,C,D),(Yes,Yes,Yes,No):}` `{:(A,B,C,D),(No,No,No,Yes):}` `{:(A,B,C,D),(No,Yes,Yes,Yes):}` ANSWER :A

Discussion

12444.	Question : Reflex action plays significant role in animals.
Answer» Solution :Reflex action OCCURS through reflex centres of brain or SPINAL cord. It is very fast without conscious knowledge of animals. Such action is response to harmful stimuli to PROTECT the animals e.g. when you touch any hot surface, immediately, withdrawal of the organ take PLACE thus preventing it from harmful effect. If reflex action is not taking place, great harm may occur in animals so reflex action is protective in nalure.

Discussion

12445.	Question : Refex action is controlled by
Answer» SPINAL cord craniosacral outflow ANS PNS

Discussion

12446.	Question : Refer to the given flow chart regarding classification of Kingdom Animalia. Which of the following is correct regarding P,Q,R and S ?
Answer» Q is PHYLUM Echinodermata R is Phylum Aschelminthes S is Phylum Coelenterata P is Phylum Chodata Answer :B

Discussion

12447.	Question : Refer to the given graph carefully and answer the following question. Which of the labelled parts on the graph represents rigor mortis?
Answer» X W Z Y Solution :Rigor MORTIS is the rigidity that develops in dying muscle as ATP becomes depleted and cross-bridges remain attached.Rigor mortis can be relieved only by removal of `CA^(2)` and addition of ATP.

Discussion

12448.	Question : Refer to the given figures and answer Read the given statements which represent the features of the figures A,B,C and D Mathc them correctly and select the correct option. (i) Chromosomes appear like a ball of wool (spireme stage) (ii) Reformation of nuclear envelope, nucleolus, Golgi complex and ER (iii) Formation of equatorial plate (iv) Splitting of centromeres
Answer» iv,III,i,II iii,iv,i,ii ii,iii,i,iv iv,ii,iii,i Answer :A

Discussion

12449.	Question : Refer to the given figures and answer Identify the given stages of mitosis and select the correct option
Answer» `{:(A,B,C,D),("PROPHASE","Metaphase","Telophase","ANAPHASE"):}` `{:(A,B,C,D),("Metaphase","Anaphase","Prophase","Telophase"):}` `{:(A,B,C,D),("Anaphase","Metaphase","Prophase","Telophase"):}` `{:(A,B,C,D),("Prophase","Metaphase","Anaphase","Telophas"):}` ANSWER :C

Discussion

12450.	Question : Refer to the given figure. What does it represent?
Answer» SIMPLE DIFFUSION Facilitated diffusion Osmosis Active transport. Solution :The given figure represents facilitated TYPE of diffusion as MOLECULES are MOVING from their higher concentration to lower concentration across the membrane with the help of special transport proteins

Discussion

Explore topic-wise InterviewSolutions in .

Question : Reserve food characteristic of brown algae is

Question : Reserve food in Rhodophyceae is

Question :Researchers like Robert Constanza et.al., have put an average price tag of US$_____ trillion a year on the fundamental ecological services

Question : Reptiles produce very little ................ urine

Question : Reptiles share which of the following character with birds and mammals?

Question : Reptiles moved fully onto land owing to : (a) tough skin(b) amniote eggs(c) internal fertilization(d) all of these

Question : Reptiles without teeth are

Question : Reptiles have large yolk-filled eggs having a special third membrane called ................

Question : Reptiles and birds are known as (i) animals. In these animals, the development of zygote takes place (ii) the female body. The information in which alternative completes the given statements?

Question : Reptiles, birds, land snails and insects excrete ..........

Question : Reproductive organs, copulatory appendages and anal cerci receive nerves from

Question : Reproduction in Paramecium is controlled by …………… .

Question : Repository of cell is

Question : Replication of DNA occurs at ____phase.

Question : Renin is secreted from

Question : Rennet is used in

Question : Renin converts ..................... into angiotensin I.

Question : Renin acts on milk protein and changes……… .

Question :Renin converts caseinogen into casein is the presence of ................ions.

Question : Renal portal system is absent in mammals. Give Reason.

Question : Renal portal system is absent in ……………………. .

Question : Renal portal system is absent in ............ .

Question : Renal pelvis, renal cortex, renal medulla, renal papillae

Question : Renal calculi is due to accumulation of soluble crystals of ...................... and certain phosphates.

Question : Renal corpuscles can be divided into :

Question : Removal of ring wood of tissue outside the vascular cambium from the tree trunk kill it because

Question : Removal of apical ( terminal) bud of a flowering plant ( or prunning of a flowering plant ) leads to

Question : Removal of amino group of amino acid to transform in into keto acid is

Question : Removal of amino group from an amino acid is called :

Question : Release of inorganic nutrients from humus by microbes is

Question : Relay pump theory was put forth by ........... .

Question : Relatively more permeable membrane of chloroplast is

Question : Relative rates of red blood cell production in the bone marrow of different bones at different ages are shown in the graph P,Q and R are likely to be, respectively

Question : Reinder moss is a lichen used as food by man. This belongs to the genus

Question : Regulation and initiation of heartbeat is indicated by .........

Question : Regions on axon where fatty sheath is absent.

Question : Region of nephron found ikn renal medulla is

Question : Regeneration of arms of star fish is due to ____

Question : Regarding simple pits, the true statement is

Question : Refrigerated fruits maintain flavour and taste for longer period due to

Question : Reflex arc consists of

Question : Referto the given table and select the option that correctly fills the blanks in it.

Question : Reflex action plays significant role in animals.

Question : Refex action is controlled by

Question : Refer to the given flow chart regarding classification of Kingdom Animalia. Which of the following is correct regarding P,Q,R and S ?

Question : Refer to the given graph carefully and answer the following question. Which of the labelled parts on the graph represents rigor mortis?

Question : Refer to the given figures and answer Identify the given stages of mitosis and select the correct option

Question : Refer to the given figure. What does it represent?