22339 + Interview Questions in Biology in Class 11 Page 247 InterviewSolution

12301.	Question : Rice tungro is caused by ………….
Answer» FUNGI BACTERIA MYCOPLASMA VIRUSES ANSWER :D

Discussion

12302.	Question : Rice plants infected by the fungus gibberella fujikuroi grow foolishly tall.
Answer» SOLUTION :This FUNGUS produces a GROWTH HORMONE which causes elongation of growth in rice plant.

Discussion

12303.	Question : Rice fields produce an important green house gas. Name it.
Answer» Solution :Paddy FIELDS are FILLED with water which has mechanism of micro organism. MANY anaerobic respiratory bacteria are produced there. They PRODUCE/ release green house gas named methane.

Discussion

12304.	Question : Rice and Wheat belong to _____ type of fruit.
Answer» NUT utricle cypsela caryopsis Solution :nut

Discussion

12305.	Question : Riccia belongs to liverworts because
Answer» It cures LIVER diseases It produces liver diseases It is DORSIVENTRAL LIKE liver It is filamentous Answer :C

Discussion

12306.	Question : Ribs that are not attached to sternum are called
Answer» FALSE RIBS incomplete ribs floating ribs true ribs

Discussion

12307.	Question : Ribs attached to sternum are
Answer» FIRST SEVEN PAIRS All TEN pairs First ten pairs First FIVE pairs

Discussion

12308.	Question : Ribs are attached to
Answer» scapula STERNUM clavicle ilium Solution :There are 12 pair of ribs. Each RIB is a thin is flat bone connected dorsally to the vertebra COLUMN and ventrally to sternum.

Discussion

12309.	Question : Ribs are attached to:
Answer» Scapula STERNUM Clavicle Ilium Solution :Sternum

Discussion

12310.	Question : Ribosomes were first observed by
Answer» Kolliker Benda Palade Camelio Golgi Answer :C

Discussion

12311.	Question : Ribosomes in prokaryotes is of 70 S type. What does ‘s’ stands for and what does it measure?
Answer» SOLUTION :SVEDBERG’s unit. DENSITY and size of ribosome.

Discussion

12312.	Question : Ribosomes that occur exclusively in mitochondria are
Answer» 70 S 55 S 30 S 50 S Answer :A

Discussion

12313.	Question : Ribosomes of mitochondrion are____
Answer» 16S 80S 70S 50S Solution :70S

Discussion

12314.	Question : Ribosomes contain large quantities of
Answer» HAEMOGLOBIN FATTY acids ribonucleic acid doxyribonucleic acid Answer :C

Discussion

12315.	Question : Ribosomes are single membrane organelles present in both prokaryotes & eukaryotes. List out the sites where ribosomes are present in plant cell.
Answer» SOLUTION :(a) Cytoplasm, (B) On rough endoplasmic reticulum, (c) INSIDE MITOCHONDRIA & CHLOROPLAST.

Discussion

12316.	Question : Ribosomes are the sites of .......... Synthesis.
Answer» SOLUTION :PROTEIN

Discussion

12317.	Question : Ribosomes are the actual sites for the synthesis of…….
Answer» SOLUTION :PROTEINS

Discussion

12318.	Question :Ribosomes are found in both prokaryotic and eukaryotic cells.
Answer» ANSWER :TRUE

Discussion

12319.	Question : Ribophorin-I and II occur bn the surface of
Answer» ROUGH E.R. Smooth E.R. Golgi body None ANSWER :A

Discussion

12320.	Question : Ribosomal biogenesis occur at_____
Answer» MITOCHONDRION Polysomes NUCLEOLUS Chromosomes Solution :Nucleolus

Discussion

12321.	Question :Ribonucleoprotein particles found in a cell are
Answer» RIBOSOMES Mesosomes Glyoxysomes All ANSWER :A

Discussion

12322.	Question :Rib cage plays a role in .......
Answer» SOLUTION :BREATHING

Discussion

12323.	Question : Analogy: Rib cage protects: Lungs. Skull protects : ____
Answer» brain kidney LUNGS, HEART, LIVER heart Solution :lungs, heart, liver

Discussion

12324.	Question : Rhodophyceae : floridean starch :: phaeophyceae : ……..
Answer» SOLUTION :MANNITOL, LAMINARIN

Discussion

12325.	Question : Rhythmic heartbeat is maintained by a highly specialized excitatory and conductive system. The correct sequence of events will be
Answer» A V node → BUNDLE of His → S A node→ PURKINJE fibers Purkinje fibers→ A V node →S ANODE →Bundle of His A V node→ S A node → Bundle of His →Purkinje fibers S A node →A V node → Bundle of His → Purkinje fibers Answer :D

Discussion

12326.	Question : Rhizophore of Selaginella is organ suigeneris .
Answer» ANSWER :TRUE

Discussion

12327.	Question : Rhizopus is a/an (a) epiphyte(b) parasite(c) saprophyte(d) symbiont
Answer» EPIPHYTE parasite saprophyte SYMBIONT

Discussion

12328.	Question : Rhizome of ginger is like the roots of other plants that grows underground. Despite this fact ginger is a stem and not a root. Justify.
Answer» Solution :Adventitious roots are produced from lower surface of node . It is not root because root does not POSSESS nodes or internodes. Moreover rhizome does not work as root LIKE fixation and absorption, it does FOOD STORAGE. These all characteristics show that Ginger is a STEM but not root.

Discussion

12329.	Question : Rhizome of ginger is like roots of other plants grown underground. Despite this fact ginger is a stem not a root - Justify.
Answer» SOLUTION :Rhizome of ginger is a UNDERGROUND stem not a ROOT because, it possess nodes, INTERNODES, scale leaves & buds, which are the characteristics of stem.

Discussion

12330.	Question : Rhizome is found in
Answer» Colocasia & GINGER Ginger & Turmeric Colocasia & Turmeric Colocasia & LOTUS Answer :B

Discussion

12331.	Question : Rhizom :
Answer» Solution :In LEGUMINOUS plants of bean, pea , underground ADVENTITIOUS ROOT has many small and big nodes. These nodes are RHIZOM. Rhizobium bacteria LIVES on it and develops that fixes nitrogen and provides nitrogen to plants.

Discussion

12332.	Question : Rhizome is a condensed stem growing vertically down intothe soil.(True/False)
Answer» ANSWER :FALSE

Discussion

12333.	Question :Rhizome differs from root in
Answer» Presence of CHLOROPHYLL Undergound POSITION VERTICAL growth in soil Presence of NODES ANSWER :D

Discussion

12334.	Question : Rhizoids of Funaria are
Answer» UNICELLULAR, COLOURLESS with OBLIQUE septa Multicellular, COLOURED WIH transverse septa Multicellular, colourless with oblique septa Multicellular, colourless with oblique and transverse septa Solution :Rhizoids of Funaria are multicellular, colourless with oblique septa.

Discussion

12335.	Question : Rhizoids of mosses are
Answer» UNICELLULAR and pigmented MULTICELLULAR and pigmented Unicellular and non-pigmented Multicellular and non-pigmented ANSWER :D

Discussion

12336.	Question : Rhizoids of the bryophytes are
Answer» Unicellular MULTICELLULAR Both A and B None of the above Solution :Rhizoids of the bryophytes are unicellular or multicellular.

Discussion

12337.	Question : Rhizoids of bryophytes are
Answer» UNICELLULAR multiseriate unicellular or multicellular multicellular Answer :C

Discussion

12338.	Question : Rhizoids are absent in
Answer» PTERIDOPHYTES Bryophytes Only gymnosperms All spermatophytes Answer :D

Discussion

12339.	Question : Rhizobium inoculants are applied to the seeds with
Answer» SODIUM alginate Mercuric chloride Gum or carboxy METHYL cellulose 2, 4, 5 - T Answer :C

Discussion

12340.	Question : Rhiphidium inflorescence is seen in ……………………. .
Answer» SOLANUM nigrum Solanum TUBEROSUM Datura Withania somnifera Solution :Solanum nigrum

Discussion

12341.	Question : Reversible binding of cations, a property possessed by clay particle, is known as
Answer» RETENTIVE capacity Cation EXCHANGE Adsorption Chelation Answer :B

Discussion

12342.	Question :Retroviruses can cause cancer in humans. The reason can be
Answer» Presence of GENE for reverse transcriptase Their GENOME has TUMOR suppressor genes Presence of V- ONCOGENES in their genome Their genetic material is RNA Answer :C

Discussion

12343.	Question : Retina of the eye contain three layers of cells, photoreceptor cell, bipolar cell and ganglion cell. Arrange these cells from the inside to the outside.
Answer» Solution :`GANGLION CELL to BIPOLAR cell to PHOTO RECEPTOR cell `

Discussion

12344.	Question : Retinal sheath is absent in
Answer» diurnal ANIMALS nocturnal animals both 1 & 2 NONE Answer :B

Discussion

12345.	Question : Reticulate and scalariform thickenings are found in one of the following
Answer» SIEVE tubes Metaxylem VESSELS PROTOXYLEM vessels COMPANION cells Answer :C

Discussion

12346.	Question : Reticulate venation is found in dicot leaves while parallelvenation in monocot leaves. Can you find out any exception to this generalization?
Answer» Solution :Reticulate VENATION is a characteristic feature of DICOTYLEDONS, but exceptionally it is also PRESENT in some monocot leaves such as SMILAX and Dioscorea. SIMILARLY, parallel venation is exceptionally present in some dicotleaves such as Calophyllum and Eryngium.

Discussion

12347.	Question : Reticulate venation is found in dicot leaves while in monocot leaves venation is of parallel type. Biology being a. Science of exceptions., . find out any exception to this generalisation.
Answer» SOLUTION :RETICULATE venation is a characteristic of DICOT and parallel venation is a characteristic of monocot. But there are EXCEPTION in this generalisation. In some dicot PLANTS parallel venation is seen e.g. Calophyllum , Corymbium. In some monocot plants reticulate venation is seen e.g. Alocasia and Smilex.

Discussion

12348.	Question :Reticulate and parallel venation are characteristic of…….and ........ respectively.
Answer» SOLUTION :DICOTS , MONOCOTS

Discussion

12349.	Question : Reticulate and parallel venation are characteristic of…….. And…….. respectively.
Answer» Solution :DICOT and MONOCOT Plants : All Dicot plants have RETICULATE venation e.g. VEINLETS have reticulate venation except Alocasia and Smilex while all monocot plants have parallel venation. (Veinlets are parallel to each other in Leaf Lamina) exception-Calophyllum.

Discussion

12350.	Question : Reticular fibres in the spleen filter
Answer» blood to REMOVE bacteria blood to remove wornout cells lymph to remove bacteria lymph to remove lymphocytes Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Rice tungro is caused by ………….

Question : Rice plants infected by the fungus gibberella fujikuroi grow foolishly tall.

Question : Rice fields produce an important green house gas. Name it.

Question : Rice and Wheat belong to _____ type of fruit.

Question : Riccia belongs to liverworts because

Question : Ribs that are not attached to sternum are called

Question : Ribs attached to sternum are

Question : Ribs are attached to

Question : Ribs are attached to:

Question : Ribosomes were first observed by

Question : Ribosomes in prokaryotes is of 70 S type. What does ‘s’ stands for and what does it measure?

Question : Ribosomes that occur exclusively in mitochondria are

Question : Ribosomes of mitochondrion are____

Question : Ribosomes contain large quantities of

Question : Ribosomes are single membrane organelles present in both prokaryotes & eukaryotes. List out the sites where ribosomes are present in plant cell.

Question : Ribosomes are the sites of .......... Synthesis.

Question : Ribosomes are the actual sites for the synthesis of…….

Question :Ribosomes are found in both prokaryotic and eukaryotic cells.

Question : Ribophorin-I and II occur bn the surface of

Question : Ribosomal biogenesis occur at_____

Question :Ribonucleoprotein particles found in a cell are

Question :Rib cage plays a role in .......

Question : Analogy: Rib cage protects: Lungs. Skull protects : ____

Question : Rhodophyceae : floridean starch :: phaeophyceae : ……..

Question : Rhythmic heartbeat is maintained by a highly specialized excitatory and conductive system. The correct sequence of events will be

Question : Rhizophore of Selaginella is organ suigeneris .

Question : Rhizopus is a/an (a) epiphyte(b) parasite(c) saprophyte(d) symbiont

Question : Rhizome of ginger is like the roots of other plants that grows underground. Despite this fact ginger is a stem and not a root. Justify.

Question : Rhizome of ginger is like roots of other plants grown underground. Despite this fact ginger is a stem not a root - Justify.

Question : Rhizome is found in

Question : Rhizom :

Question : Rhizome is a condensed stem growing vertically down intothe soil.(True/False)

Question :Rhizome differs from root in

Question : Rhizoids of Funaria are

Question : Rhizoids of mosses are

Question : Rhizoids of the bryophytes are

Question : Rhizoids of bryophytes are

Question : Rhizoids are absent in

Question : Rhizobium inoculants are applied to the seeds with

Question : Rhiphidium inflorescence is seen in ……………………. .

Question : Reversible binding of cations, a property possessed by clay particle, is known as

Question :Retroviruses can cause cancer in humans. The reason can be

Question : Retina of the eye contain three layers of cells, photoreceptor cell, bipolar cell and ganglion cell. Arrange these cells from the inside to the outside.

Question : Retinal sheath is absent in

Question : Reticulate and scalariform thickenings are found in one of the following

Question : Reticulate venation is found in dicot leaves while parallelvenation in monocot leaves. Can you find out any exception to this generalization?

Question : Reticulate venation is found in dicot leaves while in monocot leaves venation is of parallel type. Biology being a. Science of exceptions., . find out any exception to this generalisation.

Question :Reticulate and parallel venation are characteristic of…….and ........ respectively.

Question : Reticulate and parallel venation are characteristic of…….. And…….. respectively.

Question : Reticular fibres in the spleen filter