24277 + Interview Questions in Biology in Class 12 Page 184 InterviewSolution

9151.	Question : Restriction endonucleases are most widely used in recombinant DNA technology. They are obtained from :
Answer» PLASMIDS All prokaryotic cells Bacteriophages BACTERIAL CELL SOLUTION :Bacterial cell

Discussion

9152.	Question : Restriction endonucleases are commonly called as
Answer» MOLECULAR SCISSORS Molecular KNIVES Nature's scalpels All Answer :D

Discussion

9153.	Question : Restriction endonucleases are enzymes which
Answer» recognize a SPECIFIC NUCLEOTIDE sequence for binding of DNA ligase restrict the action of the enzyme DNA polymerase remove nucleotides from the ends of the DNA molecule MAKE CUTS at specific positions within the DNA molecule Solution :Make cuts at specific positions within- the DNA molecule

Discussion

9154.	Question : Restriction endonuclease cuts
Answer» ds-DNA ss-DNA single STRAND of ds-DNA both (2) and (3) ANSWER :A

Discussion

9155.	Question : Restriction endonuclease/exonuclease attaches itself between the same two bases on the opposite strands and causes aindow break in the two.
Answer» SOLUTION : ENDONUCLEASE.

Discussion

9156.	Question : Restriction endonuclease are used as:
Answer» MOLECULAR BUILD up at nucleotides molecular degradation to DNA breakup molecular KNIVES for cutting DNA at specific sites molecular CEMENT to combine DNA sites. Answer :C

Discussion

9157.	Question : Restriction endonuclease, an enzyme used in genetic engineering is employed for
Answer» PROBING exons cutting DOUBLE stranded DNA cutting SINGLE stranded DNA join STRANDS of DNA Answer :B

Discussion

9158.	Question : Restriction endonuclease
Answer» Cuts the DNA MOLECULE randomly Cuts the DNA molecule at specific sites Restricts the synthesis of DNA inside the nucleus SYNTHESISES DNA ANSWER :B

Discussion

9159.	Question : Resting membrane potential of a neuron is
Answer» -55 mV -60 mV 70 mV 90mV Answer :C

Discussion

9160.	Question : Ressmblance in the appearance of Monarch butterfly and Viceroy butterfly is an example of :
Answer» Mullerian mimicry Batesian mimicry Camouflage PROTECTIVE COLOURATION ANSWER :2

Discussion

9161.	Question : Response of a plant towards a stimulus results:
Answer» Paratonic Autonomic Nastic Nutation Answer :A

Discussion

9162.	Question : Response against allergic inflammation is given by which substance which is produced by mast cells?
Answer» HISTAMINE Antibody Antigen None SOLUTION :Histamine

Discussion

9163.	Question : Response of plants to relative length of day and night:
Answer» ANSWER :PHOTOPERIODISM

Discussion

9164.	Question : Response against allergic inflammation, is given by which substance which is produced by mast cells ?
Answer» HISTAMINE ANTIBODY Antigen None SOLUTION :Histamine

Discussion

9165.	Question : Respiratory system in larval mosquito is
Answer» propneustic metaneustic amphipneustic holopneustic ANSWER :B

Discussion

9166.	Question : Respiratory rhythm centre is present in_____region of brain
Answer» ANSWER :MEDULLA OBLONGATA

Discussion

9167.	Question : Respiratory rhythm centre is present in
Answer» MEDULLA CEREBELLUM Cerebrum Pons ANSWER :A

Discussion

9168.	Question : Respiratory rate in an organism is
Answer» INCREASED by a RISE in temperature Decreased by a rise in temperature Remains UNAFFECTED by temperature None of the above Answer :A

Discussion

9169.	Question : Respiratory Quotient was given by
Answer» Pasteur Koch Blackman None of these Answer :C

Discussion

9170.	Question : Respiratory quotient for glucose is______.
Answer» ANSWER :ONE

Discussion

9171.	Question : Respiratory ETC is located in _______ eukaryotes.
Answer» chlorplast mitochondria mesosome all of these Answer :B

Discussion

9172.	Question : Respiratory enzymes are found associated with plasma membrane in
Answer» Clostridium Chlorella Chara Chlamydomonas Answer :A

Discussion

9173.	Question : Respiratory centres are located in cerebellum.
Answer» True False Answer :MEDULLA OBLONGATA

Discussion

9174.	Question : Respiratory centre·of the brain is stimulated by:
Answer» CARBON DIOXIDE CONTENT in VENOUS blood Carbon dioxide content in ARTERIAL blood Oxygen content in venous blood Oxygen content in arterial blood Answer :D

Discussion

9175.	Question : Respiratory centre that can moderate functions of respiratory rhythm centre is located in
Answer» MEDULLA CEREBELLUM Cesebium PONS ANSWER :D

Discussion

9176.	Question : Respiratory centre in brain is sensitive to:
Answer» `CO_2` HB `N_2 ` CO Answer :A

Discussion

9177.	Question : Respiration occurs in Balanoglossus by
Answer» GILL slits general BODY SURFACE book gills 1) and 2) ANSWER :D

Discussion

9178.	Question : Respiration is an______process.
Answer» Exothermic Endothermic Endergonic Anabolic Answer :A

Discussion

9179.	Question : Respiration is completely absent in
Answer» BACTERIOPHAGE CYANOBACTERIA CHLORELLA SPIRULINA ANSWER :A

Discussion

9180.	Question : Respiration is controlled by
Answer» MEDULLA oblongata cerebellum hypothalamus CEREBRUM ANSWER :A

Discussion

9181.	Question : Respiration is:
Answer» ANABOLIC process Catabolic process Chemical process Oxidative process Answer :B

Discussion

9182.	Question : Respiration differs from the process of combustion in the fact that
Answer» All the energy STORED in glucose is RELEASED at once All the energy stored in glucose in GRADUALLY released Comparativelylarge quantity of energy is produced Only carbohydrates act as the COMBUSTION substance Answer :B

Discussion

9183.	Question : Respiration by gills or pulmonary sac are present in ?
Answer» Annelida Arthropoda Echinodermata Mollusca Answer :D

Discussion

9184.	Question : Respiration and photosyntheseis both have one thing in common
Answer» ATP CHLOROPHYLL GLUCOSE CYTOCHROME ANSWER :D

Discussion

9185.	Question : Resorption of bone is carried out by
Answer» Osteoclasts Osteoblasts Osteocytes None of the above Answer :A

Discussion

9186.	Question : Resistanceto antibioticsis genetic trait that spreads naturally from onetypeof bacteriumto
Answer» almost from one TYPE of BACTERIUM to another bacteriumof thesamestrain eukaryotic cellsof all types any other cell containingcopy DNA Answer :C

Discussion

9187.	Question : Resistance to tongro virus and leaf hopper in rice is developed by
Answer» GENETIC engineering Tissue culture Changing in CHROMOSOME number Cross breeding Answer :B

Discussion

9188.	Question : Resistance is the ability to prevent the pathogen from causing disease. Elucidate the steps in breeding for disease resistance.
Answer» SOLUTION :(i) SCREENING of germplasm for resistance source (ii) Hybridisation of selected PARENT (iii) Selection and evaluation of the hybrid (IV) Testing and release of new VARIETIES

Discussion

9189.	Question : Resistance is the ability to prevent the pathogen from causing disease. Cite two examples for virus resistance plant.
Answer» SOLUTION :PUSA SADABAHAR ABELMOSCHUS esculentus (Parbhani KRANTI)

Discussion

9190.	Question : Resin and terpentine are obtained from
Answer» CYCAS Pinus Cedrus Abies Solution :(B) Pinus roxburghi is a source of resin and terpentine, obtained after DISTILLATION. Terpentine is utilised in varnishes and PAINTS.

Discussion

9191.	Question : Resin and turpentine are products of:
Answer» TEAK Oak Eucalyptus Pine Answer :D

Discussion

9192.	Question : residual volume of lungs in humans is normally
Answer» 1100ML - 1200ml 1000ml - 1100ml 500 ml 2500ml - 3000ml Answer :A

Discussion

9193.	Question : Resarchers 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 10 Answer :A

Discussion

9194.	Question : Replum is a
Answer» Pseudoseptum True SEPTUM Feature of FAMILY Brassicaceae Both (1) and (3) Answer :A

Discussion

9195.	Question : Reptiles like mammals originated in
Answer» Jurassic Triassic Cretaseus Permian Answer :B

Discussion

9196.	Question : Reptiles have four chambered heart except crocodiles.
Answer» ANSWER :THREE

Discussion

9197.	Question : Reptiles evolved into:
Answer» BIRDS AMPHIBIANS Fishes None of these SOLUTION :Birds

Discussion

9198.	Question : Explain Reproductive phase
Answer» Solution :When the reproductive system is mature enough to produce male and female gametes, the organism is ready to MATE and reproduce. This phase is called the reproductive phase. Some MAJOR HORMONAL CHANGES mark this phase. In humans, the reproductive phase starts at about 12 to 13 years and lasts up to the AGE of 55 to 60 years.

Discussion

9199.	Question : Reproductive system in humans is derived from
Answer» Ectoderm Endoderm MESODERM Ecto-endo-mesoderm Answer :C

Discussion

9200.	Question : Reproductive isolation is essential for speciation. Why?
Answer» Solution :In the absence of reproductive ISOLATION, DISTINCTION between species would disappear as their INTERBREEDING MAY PRODUCE offspring having traits of both species.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Restriction endonucleases are most widely used in recombinant DNA technology. They are obtained from :

Question : Restriction endonucleases are commonly called as

Question : Restriction endonucleases are enzymes which

Question : Restriction endonuclease cuts

Question : Restriction endonuclease/exonuclease attaches itself between the same two bases on the opposite strands and causes aindow break in the two.

Question : Restriction endonuclease are used as:

Question : Restriction endonuclease, an enzyme used in genetic engineering is employed for

Question : Restriction endonuclease

Question : Resting membrane potential of a neuron is

Question : Ressmblance in the appearance of Monarch butterfly and Viceroy butterfly is an example of :

Question : Response of a plant towards a stimulus results:

Question : Response against allergic inflammation is given by which substance which is produced by mast cells?

Question : Response of plants to relative length of day and night:

Question : Response against allergic inflammation, is given by which substance which is produced by mast cells ?

Question : Respiratory system in larval mosquito is

Question : Respiratory rhythm centre is present in_____region of brain

Question : Respiratory rhythm centre is present in

Question : Respiratory rate in an organism is

Question : Respiratory Quotient was given by

Question : Respiratory quotient for glucose is______.

Question : Respiratory ETC is located in _______ eukaryotes.

Question : Respiratory enzymes are found associated with plasma membrane in

Question : Respiratory centres are located in cerebellum.

Question : Respiratory centre·of the brain is stimulated by:

Question : Respiratory centre that can moderate functions of respiratory rhythm centre is located in

Question : Respiratory centre in brain is sensitive to:

Question : Respiration occurs in Balanoglossus by

Question : Respiration is an______process.

Question : Respiration is completely absent in

Question : Respiration is controlled by

Question : Respiration is:

Question : Respiration differs from the process of combustion in the fact that

Question : Respiration by gills or pulmonary sac are present in ?

Question : Respiration and photosyntheseis both have one thing in common

Question : Resorption of bone is carried out by

Question : Resistanceto antibioticsis genetic trait that spreads naturally from onetypeof bacteriumto

Question : Resistance to tongro virus and leaf hopper in rice is developed by

Question : Resistance is the ability to prevent the pathogen from causing disease. Elucidate the steps in breeding for disease resistance.

Question : Resistance is the ability to prevent the pathogen from causing disease. Cite two examples for virus resistance plant.

Question : Resin and terpentine are obtained from

Question : Resin and turpentine are products of:

Question : residual volume of lungs in humans is normally

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

Question : Replum is a

Question : Reptiles like mammals originated in

Question : Reptiles have four chambered heart except crocodiles.

Question : Reptiles evolved into:

Question : Explain Reproductive phase

Question : Reproductive system in humans is derived from

Question : Reproductive isolation is essential for speciation. Why?