22339 + Interview Questions in Biology in Class 11 Page 203 InterviewSolution

10101.	Question : The organisation of shoot apex into tunica and corpus is determined largely on the basis of
Answer» Regions of meristematic activity PLANES of CELL DIVISION Rate of SHOOT tip growth Rate of cell division Answer :B

Discussion

10102.	Question : The organelle of the endomembrane system associatedwith the sorting of lipids and proteins for various cellular functions are:
Answer» ROUGH ENDOPLASMIC reticulum lysosomes VESICLES GOLGI APPARATUS Solution : Golgi apparatus

Discussion

10103.	Question : The organelle associated with the synthesis of lipids and steroids is
Answer» RER SER microtubule plasma membrane Answer :B

Discussion

10104.	Question : The organ that helps in hearing is(a) cochlea(b) organ of Corti(c) semicircular canals(d) ear ossicles
Answer» cochlea organ of Corti semicircular canals ear OSSICLES

Discussion

10105.	Question : The organelle associated with aerobic respiration is
Answer» NUCLEUS centriole chloroplast MITOCHONDRIA ANSWER :D

Discussion

10106.	Question : The organ of corti is a structure present in ......
Answer» External ear Middle ear Semi CIRCULAR canal COCHLEA SOLUTION :Organ of Corti is found in cochlea, chlea has basilar membrane and reisener.s membrane organ of Corti is situated on SUPPORTING cells of basilar.s membrane.

Discussion

10107.	Question : The organ of Corti is a structure present in
Answer» external ear MIDDLE ear semicircular canal cochlea Solution :Cochlea is the main hearing ORGAN in the internal ear.Internally, it consists of three fluid filled CHAMBERS, the upper SCALA vestibuli, lower scala tympani and middle scala media.Scala media bears an upper membrane the Reissner's membrane, and a lower membrane, the basilar membrane. On the basilar membrane, the organ of Corti is PRESENT.

Discussion

10108.	Question :The organ of nutrition used in fetal development in the most successful mammals is the :
Answer» MAMMARY gland pouch PLACENTA MARSUPIUM SOLUTION :placenta

Discussion

10109.	Question : The organ in ear that helps to maintain equilibrium is
Answer» cochlea organ of Corti semicircular canals ear OSSICLES

Discussion

10110.	Question : The orange colour of carrot root is due to the presence of
Answer» Aleuroplast Elaioplast Chromoplast AMYLOPLAST ANSWER :C

Discussion

10111.	Question : The oral cavity leads into a short common passage for food and air called …………..
Answer» SOLUTION :N/A

Discussion

10112.	Question : The optic nerve arises from the ................
Answer» SOLUTION : BLIND SPOT

Discussion

10113.	Question : The opening of the stomach into the intentine is called ...................
Answer» SOLUTION :N/A

Discussion

10114.	Question : The opening of the hepato-pancreatic duct into the duodenum is guarded by a sphines called the sphincter of………..
Answer» SOLUTION :N/A

Discussion

10115.	Question : In humans, the right artrioventricular aperture of the heart is guarded by
Answer» mitral valve PULMONARY SEMILUNAR VALVES AORTIC semilunar valves tricuspidvalue Solution :tricuspidvalue

Discussion

10116.	Question : The opening of auricles and ventricles on the right side is guarded by
Answer» TRICUSPID valve bicuspid valve semilunar valve Eustachian tube Answer :A

Discussion

10117.	Question : The opening of stomata is controlled bythe
Answer» NUMBER of GUARD CELLS amount of `CO_(2)`in the atmosphere amount of `O_(2)`in the atmosphere turgidity of guard cells

Discussion

10118.	Question : The opening and closing of spiracles are regulated by. .. ...
Answer» SOLUTION :SPHINCTER spiracular MUSCLES

Discussion

10119.	Question : The opaqueness of the lens is called …………………… .
Answer» SOLUTION :CATARACT

Discussion

10120.	Question : The ootheca of cockroach is secreted by
Answer» SPERMATHECAE vagina collaterial GLANDS seminal VESICLE Answer :C

Discussion

10121.	Question :The only one of the following phyla with no terrestrial forms is :
Answer» ECHINODERMATA ARTHROPODA MOLLUSCA ANNELIDA SOLUTION :Echinodermata

Discussion

10122.	Question : The only 'open' type of nephridia of Pheretima are
Answer» SEPTAL integumentary both 1 & 2 pharyngeal ANSWER :A

Discussion

10123.	Question : The only invertebrates capable of flight belong to the class …………
Answer» SOLUTION :INSECTA

Discussion

10124.	Question : The only cells that are derived from mesoderm in nervous tissue is
Answer» astrocytes schwann CELLS satellite cells MICROGLIAL cells ANSWER :D

Discussion

10125.	Question : The only bone that does not articulate with another bone in the body is:
Answer» maxillae mandible hyoid patella

Discussion

10126.	Question : The oldest recorded alga is …………
Answer» Grypania GNETUM Pandorine Volvox Answer :A

Discussion

10127.	Question : The oldest layer of secondary phloem is
Answer» OUTSIDE the CORK CAMBIUM Inside the VASCULAR cambium Inside the primary PHLOEM Immediately out side the vascular cambium Answer :C

Discussion

10128.	Question : The old age people are sick often, why ?
Answer» Solution :Due to degeneration of thymus gland, THYMOSINE LEVEL DECREASES, as a result the immunity of old AGE people becomes weak and CAUSE sickness.

Discussion

10129.	Question : The odd one out in the series family, class, taxon, phylum is
Answer» family class taxon phylum

Discussion

10130.	Question : " Stilt roots are adventitious and give mechanical support". how does prop root help the plant?
Answer» PROP root stlit root pneumatophore pillar root Answer :B

Discussion

10131.	Question : The number of vertebrates is ...
Answer» 8 12 5 33 Solution :33

Discussion

10132.	Question : The number of teeth that grow once in the human life is ........
Answer» 4 12 20 28 Solution :N/A

Discussion

10133.	Question :The number of teeth that grow twice in the human life is................
Answer» 4 12 20 28 Solution :N/A

Discussion

10134.	Question : The number of phalanges in each limb of human is ___.
Answer» ANSWER :Forteen

Discussion

10135.	Question : The number of neck canal cells is Cycas/Pinus is/are
Answer» `4-6` `6-10` ONE with two nuclei ABSENT Solution :The NECK canal CELLS are absent in Cycas/Pinus/gymnosperms and angiosperms.

Discussion

10136.	Question :The number of monocot series in Bentham and Hooker's system is
Answer» NIL 8 7 6 Answer :C

Discussion

10137.	Question : The number of milligrams of KOH required to saponify 1 gm of fat is called
Answer» SAPONIFICATION NUMBER Reichest meissl number IODINE VALUE ACETYL number Answer :A

Discussion

10138.	Question : The number of lymph hearts in a frog
Answer» 1 1 PAIR 2 PAIRS 4 pairs Answer :C

Discussion

10139.	Question : The number of hydrogen bonds present in the sequence of a stretch of a double helical DNA 5. ATGCCTAA 3. is
Answer» 16 19 24 20 Answer :B

Discussion

10140.	Question : The number of genomes of Aegilops speltiodes present in the egg cell of Triticum aestivum
Answer» Seven Fourteen Two One Answer :D

Discussion

10141.	Question : The number of essential elements required for normal growth of plants is
Answer» 10 16 20 25 Answer :A

Discussion

10142.	Question : The number of fatty acid molecules present in dipalmitostearin is
Answer» ONE TWO THREE Four Answer :C

Discussion

10143.	Question : The number of 'ends' in a glycogen molecule would be
Answer» Equal to the NUMBER of BRANCHES plus one Equal to the number of branch points One Two, one on the left side and another on the RIGHT side Solution :Glycogen is multi branched POLYSACCHARIDE known as animal STARCH.

Discussion

10144.	Question : The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be
Answer» 20 10 40 15 Answer :A

Discussion

10145.	Question : The number of chromosomes inonion is ……………
Answer» 30 16 46 40 Answer :B

Discussion

10146.	Question : The number of chromosomes in G_(1) and G_(2) phases in a root cell of rice plant respectively
Answer» 24 and 48 24 and 24 20 and 40 20 and 20 Answer :B

Discussion

10147.	Question : The number of chromosomes in radicle is 16. What will be number of chromosomes in pollen tube nucleus, antipodals, secondary nucleus and endosperm respectively?
Answer» 8, 8, 16, 24 8, 8, 16, 16 16, 16, 32, 48 8, 8, 16, 48 ANSWER :A

Discussion

10148.	Question : The number of cells in the body of the organism, the number of chloroplasts per each cell and the total number of chlotoplasts per each cell and the total number of chloroplasts in the body of the organism are equal in the organism 'x'. Here 'x' belongs to
Answer» MULTICELLULAR, filaments , blue- green ALGA multicellular , COLONIAL, green LAGA unicellular, cyanophycean alga unicellular, green alga ANSWER :D

Discussion

10149.	Question : The number of carbonic acid molecules formed every second in the presence of carbonic anhydrase enzyme
Answer» 5 lakhs 3 lakhs 6 lakhs 2 lakhs Answer :C

Discussion

10150.	Question : The number of carpels and locules exist sin 2:1 ratio in the mature ovaries of
Answer» CAPSICUM SOLANUM Datura Dolichos Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

Question : The organisation of shoot apex into tunica and corpus is determined largely on the basis of

Question : The organelle of the endomembrane system associatedwith the sorting of lipids and proteins for various cellular functions are:

Question : The organelle associated with the synthesis of lipids and steroids is

Question : The organ that helps in hearing is(a) cochlea(b) organ of Corti(c) semicircular canals(d) ear ossicles

Question : The organelle associated with aerobic respiration is

Question : The organ of corti is a structure present in ......

Question : The organ of Corti is a structure present in

Question :The organ of nutrition used in fetal development in the most successful mammals is the :

Question : The organ in ear that helps to maintain equilibrium is

Question : The orange colour of carrot root is due to the presence of

Question : The oral cavity leads into a short common passage for food and air called …………..

Question : The optic nerve arises from the ................

Question : The opening of the stomach into the intentine is called ...................

Question : The opening of the hepato-pancreatic duct into the duodenum is guarded by a sphines called the sphincter of………..

Question : In humans, the right artrioventricular aperture of the heart is guarded by

Question : The opening of auricles and ventricles on the right side is guarded by

Question : The opening of stomata is controlled bythe

Question : The opening and closing of spiracles are regulated by. .. ...

Question : The opaqueness of the lens is called …………………… .

Question : The ootheca of cockroach is secreted by

Question :The only one of the following phyla with no terrestrial forms is :

Question : The only 'open' type of nephridia of Pheretima are

Question : The only invertebrates capable of flight belong to the class …………

Question : The only cells that are derived from mesoderm in nervous tissue is

Question : The only bone that does not articulate with another bone in the body is:

Question : The oldest recorded alga is …………

Question : The oldest layer of secondary phloem is

Question : The old age people are sick often, why ?

Question : The odd one out in the series family, class, taxon, phylum is

Question : " Stilt roots are adventitious and give mechanical support". how does prop root help the plant?

Question : The number of vertebrates is ...

Question : The number of teeth that grow once in the human life is ........

Question :The number of teeth that grow twice in the human life is................

Question : The number of phalanges in each limb of human is ___.

Question : The number of neck canal cells is Cycas/Pinus is/are

Question :The number of monocot series in Bentham and Hooker's system is

Question : The number of milligrams of KOH required to saponify 1 gm of fat is called

Question : The number of lymph hearts in a frog

Question : The number of hydrogen bonds present in the sequence of a stretch of a double helical DNA 5. ATGCCTAA 3. is

Question : The number of genomes of Aegilops speltiodes present in the egg cell of Triticum aestivum

Question : The number of essential elements required for normal growth of plants is

Question : The number of fatty acid molecules present in dipalmitostearin is

Question : The number of 'ends' in a glycogen molecule would be

Question : The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be

Question : The number of chromosomes inonion is ……………

Question : The number of chromosomes in G_(1) and G_(2) phases in a root cell of rice plant respectively

Question : The number of chromosomes in radicle is 16. What will be number of chromosomes in pollen tube nucleus, antipodals, secondary nucleus and endosperm respectively?

Question : The number of cells in the body of the organism, the number of chloroplasts per each cell and the total number of chlotoplasts per each cell and the total number of chloroplasts in the body of the organism are equal in the organism 'x'. Here 'x' belongs to

Question : The number of carbonic acid molecules formed every second in the presence of carbonic anhydrase enzyme

Question : The number of carpels and locules exist sin 2:1 ratio in the mature ovaries of