22339 + Interview Questions in Biology in Class 11 Page 219 InterviewSolution

10901.	Question :The drug asgandh is obtained from:
Answer» WITHANIA somnifera Atropa BELLADONNA Hyoscyamus niger Datura stramonium Solution :Withania somnifera

Discussion

10902.	Question : The droppings of poultry are rich in nitrogen, potash and .....
Answer» SOLUTION :PHOSPHATES

Discussion

10903.	Question : The droplets are seen at the end of veinson the grass blades in early morninghours. What is it called?
Answer» SOLUTION :GUTTATION.

Discussion

10904.	Question : The downward extension of the hypothalamus, …………………. connects the hypothalamus with the pituitary gland.
Answer» SOLUTION :INFUNDIBULUM

Discussion

10905.	Question : The dramatic muscle growth that occurs after birth occurs by
Answer» HYPERTROPHY HYPERPLASIA NEOPLASIA CASTRATION ANSWER :A

Discussion

10906.	Question : The double helix model of DNA was proposed by ...................... and …………….
Answer» SOLUTION :WATSON, CRICK

Discussion

10907.	Question : The dorsolateral thickenings on the skin of back portion of frog are
Answer» DERMAL PAPULAE dermal BRANCHIAE dermal denticles dermal plicae ANSWER :D

Discussion

10908.	Question :The dorsal wall of the intestine of earthworm is folded into the cavity as the ...........
Answer» SOLUTION :TYPHLOSOLE

Discussion

10909.	Question : The dominant phase in ferns is the__________generation. While__________generation is short lived.
Answer» SOLUTION :SAPROPHYTIC GAMETOPHYTIC

Discussion

10910.	Question : The DNA protein complex present in the centromere is ………………….. .
Answer» Cyclin Kinesis MPF KINETOCHORE Solution :Kinetochore

Discussion

10911.	Question : The DNA content of a diploid cell in the G phase of the cell cycle is measured. If this DNA content is X, then the DNA content of the same cell at metaphase of meiasis I would be
Answer» 0.5 X 0.25 X X 2 X Answer :D

Discussion

10912.	Question : The dividing of the lamina upto half way in a multicostate veined leaf is
Answer» palmatisect palmatifid palmatipartite pinnatipartite Answer :B

Discussion

10913.	Question : The disease Kwashiorkor is caused by a diet which is very low in protein. The concentration of proteins in blood becomes much lower than usual. One of the symptoms of Kwashiorkor is edema. Give reasons.
Answer» SOLUTION :1. Kwashiorkor is CAUSED by deficiency of PROTEIN in diet. 2. Lack of protein causes osmotic imbalance in the gastrointestinal system causing swelling of gut. This is called edema (retention of water).

Discussion

10914.	Question : The disease not transmitted through contaminated water
Answer» Typhoid Cholera AMOEBIASIS HEPATITIS B Answer :D

Discussion

10915.	Question :The disease chikungunya is transmitted by
Answer» HOUSE files Aedes mosquitoes Cockroach FEMALE anopheles Answer :B

Discussion

10916.	Question : The discovery of gibberellins is related with one of the following
Answer» BLAST disease of RICE foolish seeding disese bakane disease of rice early BLIGHT disease of potato Answer :C

Discussion

10917.	Question : The diploid number of chromosomes in plant A is 3 times more than the haploid number of chromosomes in plant B. The diploid number of chromosomes in plant C is 3 times more than the diploid number of chromosomes in plant B. Then A, B & C plants respectively are
Answer» APPLE, ONION & potato Rice, onion & potato HAPLOPAPPUS, Maize & Rice Rice,Haplopappus & Apple Answer :B

Discussion

10918.	Question : The dioptrical region of eye of cockroach is constituted by
Answer» CORNEA and crystalline cone cornea and cornaegen cells vitrillae and cone clles RETINULAE and crystalline cone ANSWER :A

Discussion

10919.	Question : The dioecius animal is ………………….. .
Answer» LIVER FLUKE Aurella TAPEWORM EARTHWORM SOLUTION :Aurella

Discussion

10920.	Question : The dikaryon in basidiomycetes is indicative of
Answer» karyogamy plasmogamy isogamy syngamy Answer :B

Discussion

10921.	Question : The dilations of colon are called ………. .
Answer» SOLUTION :N/A

Discussion

10922.	Question : The digestive tract of birds has additional chambers ........... &.....
Answer» SOLUTION :CROP, GIZZARD

Discussion

10923.	Question : The digestive system of frog is made of the following parts. Arrange them in an order beginning from mouth. Mouth, oesophagus, buccal cavity, stomach, intestine, cloaca, rectum, cloacal aperture
Answer» Solution :The correct orderwise arrangement of digestive system of frog is as FOLLOW : Mouth `rarr` BUCCAL cavity `rarr` OESOPHAGUS `rarr` stomachintestine `rarr` RECTUM `rarr` cloaca `rarr` cloacal aperture.

Discussion

10924.	Question : The digested food of frog is absorbed through
Answer» DESMOSOMES villi and microvilli of INTESTINE villi and HEMIDESMOSOMES microvilli and interdigitations ANSWER :B

Discussion

10925.	Question : The digestive enzyme that is not found in human pancreatic juice is
Answer» NUCLEOTIDASE Nuclease Trypsin Lipase Answer :a

Discussion

10926.	Question : The diameter of the artery can be changed due to the following muscles.
Answer» SKELETAL muscles cardiac muscles smooth muscles all the above ANSWER :C

Discussion

10927.	Question : The diameter of the cisternae ranges from
Answer» 0.5-1.0 MU m` 1.0 -1.5 mu m` `1.5 - 2.0 mu m` `0.5 - 1.5 mu m` ANSWER :A

Discussion

10928.	Question : The diameter of perinuclear space is
Answer» 10-50 NM 50-100 nm 20-40 nm 30-50 nm ANSWER :A

Discussion

10929.	Question : The diagrammatic sketch given below represents a hypothetical chordateBased on any two labelled parts in the diagram mention how this phylum differs from non chordates
Answer» SOLUTION :

Discussion

10930.	Question : The diagrammatic sketch given below represents a hypothetical chordateIf you find any mistakes in the labelled parts of copy the diagram and make necessary correction in the labelling
Answer» SOLUTION :

Discussion

10931.	Question : The diagram refers the biotic succession on bare rodck (lithosere). At which stage (s) (as labelled A,B,C,D,E and F) will you find plants like Solidago, Festuca
Answer» STAGE E Stage D and E Stage D Stage C Solution :N//A

Discussion

10932.	Question : The diagram of a generalised chordate is given below . Select the option that correctly identifies the structures labeled A,B,C and D
Answer» ANSWER :C

Discussion

10933.	Question : The diagram illustrates energy changes in an enzyme controlled reaction.
Answer» X Y Z Z-Y Answer :D

Discussion

10934.	Question : The diagram given below represnts the histology of a stripped muscle. Label the parts A, B, C, D, E and F
Answer» A-Sarcoplasm, B-Nucleus, C-Sarcolemma, D-myofibril, E-Dark BAND, F-Light band A-Sarcoplasm, B-Light band, C-Myofiboril, D-Sarcolemma, E-Nucleus, F-Dark band A-Light band, B-Sarcoplasm, C-Myofibril, D-Sarcolemma, E-Nucleus, F-Dark band A-Sarcolemma, B-Nucleus, C-Dark band, D-Light band, E-Sarcoplasm, F-Myofibril Answer :C

Discussion

10935.	Question : The diagram below-shows features of an animal cell as seen under electron microscope : What is the relationship of E and C?
Answer» Solution :E is RIBOSOME attached to ENDOPLASMIC reticulum ( C) Ribosomes help in PROTEIN synthesis and ER help in transporting it.

Discussion

10936.	Question : The diagram below show how things get to and from the liver. They are labelled as A,B,C,D,E and F. Which one of the following labellings is the correct one
Answer» A is the hepatic PORTAL vein and E is the hepatic vein C is the intestine and F is the hepatic portal vein D is the hepatic portal vein and F is the hepatic vein D is the hepatic portal vein and E is the hepatic vein Solution :N//A

Discussion

10937.	Question : The diagram below-shows features of an animal cell as seen under electron microscope : Name the structure B.
Answer» SOLUTION :NUCLEAR PORE

Discussion

10938.	Question : The diagram below represents part of a capillary in a specific region of the human body. The region labeled X represents partof
Answer» a glomerulus an alveolus a villus the liver Answer :B

Discussion

10939.	Question : The diagram below-shows features of an animal cell as seen under electron microscope : Name the structure D.
Answer» SOLUTION :MITOCHONDRIA

Discussion

10940.	Question :The device that guides the pollen tube in the cavity of ovary is
Answer» obturator transmitting tissue placenta CENTRAL cell Answer :A

Discussion

10941.	Question : The development of adult characteristics in a moulting insect is promoted by …………………… .
Answer» PHEROMONE thyroxine juvenile HORMONE ECDYSONE SOLUTION :ecdysone

Discussion

10942.	Question : The development of a sporophyte from the moss gametophyte without sexual fusion is called :
Answer» APOMIXIS APOGAMY APOSPORY AMPHIMIXIS SOLUTION :amphimixis

Discussion

10943.	Question : The ................ detoxifies toxic substances.
Answer» SOLUTION :N/A

Discussion

10944.	Question : The depression in the retina of eye which lodges only the cones is called
Answer» BLIND SPOT FOVEA centralis fenestra rotunda red nuclei Solution :NA

Discussion

10945.	Question : The deposition of lipids on the wall lining, the lumen of large and medium-sized arteries is referred to as
Answer» DEEP VEIN thrombosis Stokes-Adam's syndrome osteoporosis atherosclerosis Answer :D

Discussion

10946.	Question : The deposition of calcium and magnesium salts on the teeth forms a hard layer called ………..
Answer» SOLUTION :N/A

Discussion

10947.	Question : The dental formula of humans is represented as I 2//2,C 1//1,Pm 2//2,M 3//3.What do I,C,Pm and M indicate?
Answer» SOLUTION :I to incisors,C to CANINES,PM to PREMOLARS,M to molars

Discussion

10948.	Question : The dental formula of man is
Answer» `i//2c1//1" PM "2//2m3//3=32` `i1//2c2//1" pm "2//2m3//3=32` `i1//1c1//1" pm "1//2m4//4=32` `i2//2c1//1" pm "3//2m2//3=32` ANSWER :A

Discussion

10949.	Question : The delta cells of islets of langerhans secrete ........
Answer» SOLUTION :(SOMATOSTATIN)

Discussion

10950.	Question : The degree of unsaturation in a fat is estimated by
Answer» IODINE VALUE SAPONIFICATION NUMBER Reichert meissl number Poleuske number Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

Question :The drug asgandh is obtained from:

Question : The droppings of poultry are rich in nitrogen, potash and .....

Question : The droplets are seen at the end of veinson the grass blades in early morninghours. What is it called?

Question : The downward extension of the hypothalamus, …………………. connects the hypothalamus with the pituitary gland.

Question : The dramatic muscle growth that occurs after birth occurs by

Question : The double helix model of DNA was proposed by ...................... and …………….

Question : The dorsolateral thickenings on the skin of back portion of frog are

Question :The dorsal wall of the intestine of earthworm is folded into the cavity as the ...........

Question : The dominant phase in ferns is the__________generation. While__________generation is short lived.

Question : The DNA protein complex present in the centromere is ………………….. .

Question : The DNA content of a diploid cell in the G phase of the cell cycle is measured. If this DNA content is X, then the DNA content of the same cell at metaphase of meiasis I would be

Question : The dividing of the lamina upto half way in a multicostate veined leaf is

Question : The disease Kwashiorkor is caused by a diet which is very low in protein. The concentration of proteins in blood becomes much lower than usual. One of the symptoms of Kwashiorkor is edema. Give reasons.

Question : The disease not transmitted through contaminated water

Question :The disease chikungunya is transmitted by

Question : The discovery of gibberellins is related with one of the following

Question : The diploid number of chromosomes in plant A is 3 times more than the haploid number of chromosomes in plant B. The diploid number of chromosomes in plant C is 3 times more than the diploid number of chromosomes in plant B. Then A, B & C plants respectively are

Question : The dioptrical region of eye of cockroach is constituted by

Question : The dioecius animal is ………………….. .

Question : The dikaryon in basidiomycetes is indicative of

Question : The dilations of colon are called ………. .

Question : The digestive tract of birds has additional chambers ........... &.....

Question : The digestive system of frog is made of the following parts. Arrange them in an order beginning from mouth. Mouth, oesophagus, buccal cavity, stomach, intestine, cloaca, rectum, cloacal aperture

Question : The digested food of frog is absorbed through

Question : The digestive enzyme that is not found in human pancreatic juice is

Question : The diameter of the artery can be changed due to the following muscles.

Question : The diameter of the cisternae ranges from

Question : The diameter of perinuclear space is

Question : The diagrammatic sketch given below represents a hypothetical chordateBased on any two labelled parts in the diagram mention how this phylum differs from non chordates

Question : The diagrammatic sketch given below represents a hypothetical chordateIf you find any mistakes in the labelled parts of copy the diagram and make necessary correction in the labelling

Question : The diagram refers the biotic succession on bare rodck (lithosere). At which stage (s) (as labelled A,B,C,D,E and F) will you find plants like Solidago, Festuca

Question : The diagram of a generalised chordate is given below . Select the option that correctly identifies the structures labeled A,B,C and D

Question : The diagram illustrates energy changes in an enzyme controlled reaction.

Question : The diagram given below represnts the histology of a stripped muscle. Label the parts A, B, C, D, E and F

Question : The diagram below-shows features of an animal cell as seen under electron microscope : What is the relationship of E and C?

Question : The diagram below show how things get to and from the liver. They are labelled as A,B,C,D,E and F. Which one of the following labellings is the correct one

Question : The diagram below-shows features of an animal cell as seen under electron microscope : Name the structure B.

Question : The diagram below represents part of a capillary in a specific region of the human body. The region labeled X represents partof

Question : The diagram below-shows features of an animal cell as seen under electron microscope : Name the structure D.

Question :The device that guides the pollen tube in the cavity of ovary is

Question : The development of adult characteristics in a moulting insect is promoted by …………………… .

Question : The development of a sporophyte from the moss gametophyte without sexual fusion is called :

Question : The ................ detoxifies toxic substances.

Question : The depression in the retina of eye which lodges only the cones is called

Question : The deposition of lipids on the wall lining, the lumen of large and medium-sized arteries is referred to as

Question : The deposition of calcium and magnesium salts on the teeth forms a hard layer called ………..

Question : The dental formula of humans is represented as I 2//2,C 1//1,Pm 2//2,M 3//3.What do I,C,Pm and M indicate?

Question : The dental formula of man is

Question : The delta cells of islets of langerhans secrete ........

Question : The degree of unsaturation in a fat is estimated by

Question : The dominant phase in ferns is thegeneration. Whilegeneration is short lived.