22339 + Interview Questions in Biology in Class 11 Page 187 InterviewSolution

9301.	Question : Though the bile juice of live has no digestive enzyme but is very essential for proper digestion of food, especially of the fats. Discuss the following? What is composition oif bile?
Answer» Solution :The bile contains bile pigments (bilirubin and BILIVERDIN) as the break down products of hemoglobin of dead RBCs, bile salts, cholesterol and phospholipids but has no enzyme Bile HELPS in emulsification of fats. Bile salts REDUCE the surface TENSION of fat droplets and break them into small globules. Bile ALSO activates lipases to digest lipids.

Discussion

9302.	Question : Though Prokaryotes cell division differs from Eukaryotic cell division, both show certain common aspects during cell division. Explain.
Answer» Solution :Whether a cell is prokaryote or Eukaryote, while UNDERGOING division, the following events must OCCUR in common. (a) REPLICATION of DNA. (b) Cytokinesis at the END of cell division.

Discussion

9303.	Question : Though molecular weight of lipid is less, it is included in Biomacromolecules.
Answer» Solution :`-` Components with less MOLECULAR weight than 1000 Dalton are included in micro molecules and more than it, are CALLED macromolecules. `-` Proteins and polysaccharides are macro molecules present in acid soluble filterate. - Lipid is having less than 1000 Dalton molecular weight, but it is found in structural component of plasma membrne. - During paste forming process, fragnencs of plasma membrane is found in acid soluble components so, THOUGH lipids are having less molecular weight, they are included ALONG with other macromolecules.

Discussion

9304.	Question : Though Ginger is gram in/under the soil. It is it steni not a root.
Answer» Solution :Ginger grows under of UNDERGROUND STEM. Its stem growing in soil, appears LIKE irregularly shaped nodes. But it has all parts like stem, nodes internodes scaly leaves, buds ETC. Thus though it appress like ROOT its not a root but it.s a stem.

Discussion

9305.	Question : Those members which are normally parasites but can alsolive saprophytically on dead organic matter are termed as facultative ...........
Answer» SOLUTION :SAPROPHYTES

Discussion

9306.	Question : Thorns are modifications of stem because they
Answer» arise from the BUDS in the axil of leaves arise from branches of stein arise from flowering twigs are defensive organs against GRAZING animals Answer :A

Discussion

9307.	Question :Thorns and simple cymes are found in
Answer» BOUGAINVILLEA CASSIA ACACIA CITRUS ANSWER :A

Discussion

9308.	Question : Thorn of Citrus is
Answer» Leaf MODIFICATION STEM modification ROOT modification PETIOLE modification Answer :B

Discussion

9309.	Question : Thoracic duct, aorta, pulmonary vein, venae cavae.
Answer» SOLUTION :THORACIC DUCT

Discussion

9310.	Question : Thoracic cage of man is formed of
Answer» RIBS and STERNUM Ribs, sternum and THORACIC VERTEBRAE Ribs,sternum and LUMBAR vertebrae Ribs and thoracic vertebrac Solution :Ribs, sternum and thoracic vertebrae

Discussion

9311.	Question : Thoracic cage in rabbit is made up of ……………….. .
Answer» RIBS, VERTEBRAL COLUMN & DIAPHRAGM Ribs, diaphragm & sternum Vertebral column, diaphragm &sternum Ribs, vertebral column & sternum SOLUTION :Ribs, vertebral column & sternum

Discussion

9312.	Question : This type of isolation is due to the differences in their external genitalia that is seen in two different species.
Answer» MORPHOLOGICAL isolation Physiological isolation Seasonal isolation Ethological isolation Answer :A

Discussion

9313.	Question : This type of gene therapy involves the insulin C the anti sense gene which inhibits the expression of the dominant gene .
Answer» GENE inhibition THERAPY gene AUGMENTATION therapy germ line gene therapy somatic CELL gene therapy Answer :A::B

Discussion

9314.	Question : This product of bryophytes is used as fuel
Answer» Bryokenin Club moss Peat Horn worts Answer :C

Discussion

9315.	Question : This plant belongs to class
Answer» Angiospermae MONOCOTYLEDONAE Dicotyledinae Both A and B Solution :This is an angiospermic PLANT BELONGS to CLASS monocotyledonae.

Discussion

9316.	Question : This layer holds the neighbouring cell walls together
Answer» MIDDLE lamella primary CELL wall secondary cell wall cell coat Answer :A

Discussion

9317.	Question : which is not the advantage of new generation vaccine .
Answer» They TRIGGER immune RESPONSE only against not specific pathogens. They produce TARGET proteins. They produce long lasting immunity They are with less toxic effect. Answer :A::C

Discussion

9318.	Question : This is an example for primary meristem involved in secondary growth
Answer» Apical MERISTEM CORK CAMBIUM Fascicular cambium of dicot stem Intercalary meristem Answer :C

Discussion

9319.	Question : This is a wave form of selection but leads to formation of two or more different species
Answer» ADAPTIVE radiation Directional selection Contipetal selection Stabilizing selection Answer :A

Discussion

9320.	Question : This is a red alga
Answer» Polysiphonia Dictyota Laminaria Sargassum Answer :A

Discussion

9321.	Question : This is a pteropsida member
Answer» LYCOPODIUM RHYNIA SELAGINELLA Adiantum Answer :D

Discussion

9322.	Question : This is a live vaccine, in this gentically modified pathogens are made to non pathogenic.
Answer» ATTENUATED RECOMBINANT VACCINE Submit recombinant vaccine DNA vaccine Traditional vaccine Answer :A::B::C::D

Discussion

9323.	Question :This immunity provides protection against all types of pathogens and has no "memory."
Answer» SPECIFIC HUMORAL immunity Cell MEDIATED immunity Non-specific ANSWER :D

Discussion

9324.	Question : This filament of myofibril contains 2 F actins and two other proteins namely _____ and ___.
Answer» ANSWER :TROPONIN, TROPOMYOSIN

Discussion

9325.	Question : This does not produce any genetic variations but once such variations occur, it favours some genetic changes while rejecting others.
Answer» GENETIC recombination Chromosomal mutation reproductive isolation Natural selection Answer :D

Discussion

9326.	Question : This can be explained clearly through industrial melanism
Answer» Mutation Natural selection Struggle for existence Prodigality of production. Answer :B

Discussion

9327.	Question : Think of a plant which lacks chlorophyll. From where will it obtain nutrition? Give an example of such a type of plant?
Answer» Solution :Monotrapa PLANT- An angiosperm which does not possess chloroplast . So it grows on HOST plant and obtains NUTRITION from it. Such PLANTS are called GHOST plant.

Discussion

9328.	Question : Thin walled cells with much intercellular spaces andwithout pigments are known as ......
Answer» SOLUTION :PARENCHYMA

Discussion

9329.	Question : Thin filament of myofibril contains 2 F actins and two other proteins namely __________ and _________
Answer» SOLUTION :TROPONIN and TROPOMYOSIN

Discussion

9330.	Question : Thin connective tissue sheath that surrounds skeletal muscle fibre
Answer» perimysium epimysium endomysium sarcolemma ANSWER :C

Discussion

9331.	Question : Thickness of the cell wall is increased by a process called
Answer» Intussuception Apposition Gelatinization PRECIPITATION ANSWER :B

Discussion

9332.	Question : Thin areas in the primary wall are called
Answer» Pits Primary PIT fields Plasmodesmata TORUS ANSWER :B

Discussion

9333.	Question : Thick walled resting spores produced by Chlamydomonas in dry conditions are environment are
Answer» MEIOSPORES Aplanospores Hypnospores ZYGOSPORES ANSWER :C

Discussion

9334.	Question : Thick walled aplanospores are called…………..
Answer» AKINETE hormogone hypnospore tetraspore Answer :C

Discussion

9335.	Question : Thick cuticle and sunken stomata help to reduce water loss in gymnosperms.
Answer» ANSWER :TRUE

Discussion

9336.	Question : Assertion: Red algae contribute in producing coral reef. ltbr. Reason: Some red algae secrete and deposit calcium carbonate our their walls.
Answer» If both Assertion and REASON are true and the RASON is a CORRECT explantion of the Assertion . If both Assertion and Reason are true but Reason is not a corret explanation of the Assertion . If Assertion is true but Reason in FALSE . If both Assertion and Reason are false . Answer :A

Discussion

9337.	Question : Assertion: Chlorella could serve as a potential source of food and energy. Reason: When dried, chlorella has 15% protein 45% fat, 10% carbohydrate, 20% fibre, and 10% minerlas and vitamins.
Answer» If both ASSERTION and Reason are true and the Rason is a correct explantion of the Assertion . If both Assertion and Reason are true but Reason is not a corret EXPLANATION of the Assertion . If Assertion is true but Reason in FALSE . If both Assertion and Reason are false . ANSWER :C

Discussion

9338.	Question : These question consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses :Assertion : In angiosperms the conduction of water is more efficient because their xylem has vessels . Reason : Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria.
Answer» If both Assertion and REASON are true and the RASON is a CORRECT explantion of the Assertion . If both Assertion and Reason are true but Reason is not a CORRET EXPLANATION of the Assertion . If Assertion is true but Reason in false . If both Assertion and Reason are false . Answer :C

Discussion

9339.	Question : These question consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses :Assertion : Algae are characterized by multicellular sex organs in which every cell forms the gamete. Reason : Sexual reproduction in algae is only of oogamous type .
Answer» If both ASSERTION and Reason are true and the Rason is a correct explantion of the Assertion . If both Assertion and Reason are true but Reason is not a corret EXPLANATION of the Assertion . If Assertion is true but Reason in FALSE . If both Assertion and Reason are false . ANSWER :D

Discussion

9340.	Question : These question consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses :Assertion : Protonema of Funaria resembles green algae. Reason : It forms antheridia and archegonia .
Answer» If both Assertion and REASON are TRUE and the Rason is a correct explantion of the Assertion . If both Assertion and Reason are true but Reason is not a corret explanation of the Assertion . If Assertion is true but Reason in FALSE . If both Assertion and Reason are false . ANSWER :C

Discussion

9341.	Question : Assertion (A): Many visitors to the hills suffer from skin and respiratory allergy problems. Reason (R): Conifer trees produce a large quantity of wind- borne pollen grains.
Answer» If both Assertion and REASON are TRUE and the Rason is a CORRECT EXPLANTION of the Assertion . If both Assertion and Reason are true but Reason is not a CORRET explanation of the Assertion . If Assertion is true but Reason in false . If both Assertion and Reason are false . Answer :A

Discussion

9342.	Question : These question consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses : Assertion : Bioluminescence is exhibited by Entamoeba . Reason : Bioluminescence is the emission of high temperature by living beings .
Answer» If both ASSERTION and REASON are true and the Rason is a CORRECT explantion of the Assertion . If both Assertion and Reason are true but Reason is not a corret explanation of the Assertion . If Assertion is true but Reason in false . If both Assertion and Reason are false . ANSWER :D

Discussion

9343.	Question : These question consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses : Assertion : Red tide is casued by Gonyaulax . Reason : Gonyaulax is marine dinoflagellate . The accumulate in sea to provide colour and cause the red tide .
Answer» If both ASSERTION and REASON are TRUE and the Rason is a CORRECT explantion of the Assertion . If both Assertion and Reason are true but Reason is not a corret explanation of the Assertion . If Assertion is true but Reason in false . If both Assertion and Reason are false . ANSWER :A

Discussion

9344.	Question : These components can not form holoenzyme
Answer» APOENZYME and CO - enzyme Apoenzyme and Prosthetic group 3) Apoenzyme and Co - FACTOR Co - enzyme and Prosthetic group Answer :D

Discussion

9345.	Question : These cells help in increasing the length of the plant by undergoing cell division
Answer» XYLEM phloem meristematic cells sclerenchyma Answer :C

Discussion

9346.	Question : These cells of leaf play a role in minimizing transpiration
Answer» SILICA CELLS CORK cells MOTOR cells All Answer :D

Discussion

9347.	Question : These are regarded as "protein factories"
Answer» GOLGI complex Ribosomes Nucleoli Microsomes ANSWER :D

Discussion

9348.	Question : These are multinucleated structures
Answer» SIMPLE laticifers XYLEM parenchyma cells PHLOEM parenchyma cells Sieve tubes Answer :A

Discussion

9349.	Question : Therophyte is a plant that completes its life cycle in ……………………….. growing season.
Answer» ONE two three SEVERAL SOLUTION :one

Discussion

9350.	Question : These algae are used as food I) Porphyra II) Laminaria III) Sargassum
Answer» I, II only II, III only I, III only I, II, III Answer :D

Discussion

Explore topic-wise InterviewSolutions in .

Question : Though the bile juice of live has no digestive enzyme but is very essential for proper digestion of food, especially of the fats. Discuss the following? What is composition oif bile?

Question : Though Prokaryotes cell division differs from Eukaryotic cell division, both show certain common aspects during cell division. Explain.

Question : Though molecular weight of lipid is less, it is included in Biomacromolecules.

Question : Though Ginger is gram in/under the soil. It is it steni not a root.

Question : Those members which are normally parasites but can alsolive saprophytically on dead organic matter are termed as facultative ...........

Question : Thorns are modifications of stem because they

Question :Thorns and simple cymes are found in

Question : Thorn of Citrus is

Question : Thoracic duct, aorta, pulmonary vein, venae cavae.

Question : Thoracic cage of man is formed of

Question : Thoracic cage in rabbit is made up of ……………….. .

Question : This type of isolation is due to the differences in their external genitalia that is seen in two different species.

Question : This type of gene therapy involves the insulin C the anti sense gene which inhibits the expression of the dominant gene .

Question : This product of bryophytes is used as fuel

Question : This plant belongs to class

Question : This layer holds the neighbouring cell walls together

Question : which is not the advantage of new generation vaccine .

Question : This is an example for primary meristem involved in secondary growth

Question : This is a wave form of selection but leads to formation of two or more different species

Question : This is a red alga

Question : This is a pteropsida member

Question : This is a live vaccine, in this gentically modified pathogens are made to non pathogenic.

Question :This immunity provides protection against all types of pathogens and has no "memory."

Question : This filament of myofibril contains 2 F actins and two other proteins namely _____ and ___.

Question : This does not produce any genetic variations but once such variations occur, it favours some genetic changes while rejecting others.

Question : This can be explained clearly through industrial melanism

Question : Think of a plant which lacks chlorophyll. From where will it obtain nutrition? Give an example of such a type of plant?

Question : Thin walled cells with much intercellular spaces andwithout pigments are known as ......

Question : Thin filament of myofibril contains 2 F actins and two other proteins namely __________ and _________

Question : Thin connective tissue sheath that surrounds skeletal muscle fibre

Question : Thickness of the cell wall is increased by a process called

Question : Thin areas in the primary wall are called

Question : Thick walled resting spores produced by Chlamydomonas in dry conditions are environment are

Question : Thick walled aplanospores are called…………..

Question : Thick cuticle and sunken stomata help to reduce water loss in gymnosperms.

Question : Assertion: Red algae contribute in producing coral reef. ltbr. Reason: Some red algae secrete and deposit calcium carbonate our their walls.

Question : Assertion: Chlorella could serve as a potential source of food and energy. Reason: When dried, chlorella has 15% protein 45% fat, 10% carbohydrate, 20% fibre, and 10% minerlas and vitamins.

Question : These question consist of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses :Assertion : Protonema of Funaria resembles green algae. Reason : It forms antheridia and archegonia .

Question : Assertion (A): Many visitors to the hills suffer from skin and respiratory allergy problems. Reason (R): Conifer trees produce a large quantity of wind- borne pollen grains.

Question : These components can not form holoenzyme

Question : These cells help in increasing the length of the plant by undergoing cell division

Question : These cells of leaf play a role in minimizing transpiration

Question : These are regarded as "protein factories"

Question : These are multinucleated structures

Question : Therophyte is a plant that completes its life cycle in ……………………….. growing season.

Question : These algae are used as food I) Porphyra II) Laminaria III) Sargassum

Question : This filament of myofibril contains 2 F actins and two other proteins namely ___ and _.

Question : Thin filament of myofibril contains 2 F actins and two other proteins namely __ and _