24277 + Interview Questions in Biology in Class 12 Page 179 InterviewSolution

8901.	Question : Sarcomere is distance between
Answer» Z - LINES to Z - line Two I- bands two A-bands two A-bands Answer :A

Discussion

8902.	Question : Sandhya is working in a tissue culture lab. Witle doing tissue culture she forgot to prepare subcultures. a. What will happen to the culture? b. Justify your answer.
Answer» SOLUTION :a. CELLS will DIE b. Cell DEATH occurs because of the increase of tissue and decrease of nutrients in the medium. Due to evaporation, the volume of the medium also DECREASES.

Discussion

8903.	Question : Sandy soil is not suitable for cultivation. Explain why?
Answer» Solution :Sandy soil has a high porosity leading to decreased WATER retention hence UNFIT for CULTIVATION.

Discussion

8904.	Question : Sandwich model of plasma membrane wasproposed by.
Answer» ANSWER :Dalielli and DAVSON

Discussion

8905.	Question : Sandalwood tree is considered a
Answer» totalroot parasite TOTAL stem parasite stem parasite partial ROOT parasite Solution :SANDALWOOD TREE is a partialroot parasite because rootsdevelop haustoriathat makecontact with roots ofDalbergia, Eucalyptus etc.

Discussion

8906.	Question : Salvery gland chromosomes were discovered by :
Answer» Heitz R`ddotu`ckert Wilson Balbinai Answer :D

Discussion

8907.	Question : Sambar lake containing brackish wateris located in.
Answer» ANDHRA PRADESH Kashmir MADHYA Pradesh RAJASTHAN

Discussion

8908.	Question : Salt tolerant transgenic plants have been developed for(A) Brinjal(B) Potato(C) Tomato(D) Grapes
Answer» BRINJAL POTATO TOMATO GRAPES SOLUTION :Tomato

Discussion

8909.	Question : Saltation
Answer» SOLUTION :It is the single STEP large mutation which BRINGS EVOLUTION.

Discussion

8910.	Question : Salt stress, disease resistance in plants and cold stress in plants can be introduced by(A) Genetic engineering(B) Tissue culture(C) Hybridoma technology(D) None of these
Answer» GENETIC ENGINEERING Tissue culture Hybridoma TECHNOLOGY NONE of these Solution :Genetic engineering

Discussion

8911.	Question : Salt respiration is
Answer» INCREASE in respiration during MINERAL absorption Decrease in respiration during SALT absorption Linking ion movement with respiratory chain Secretion of salt through respiratory channels Answer :A

Discussion

8912.	Question : Salt concentration of the sea measured in parts per thousand is
Answer» 42278 30-70 0-5 30-35 Answer :D

Discussion

8913.	Question : Salt concentration (Salinity) of the sea measured in parts per thousand is
Answer» `10 - 15` 30 - 70 0 - 5 30 - 35 Solution :The salt concentrations is measured as salinity in parts PER thousand. It is less than 5 in inland waters. 30-35 in the sea. greater than 100 percent in some hypersaline LAGOONS.

Discussion

8914.	Question : Salmonella typhi
Answer» SOLUTION :

Discussion

8915.	Question : Salivation due to smelling of good food is an act of:
Answer» Voltunary action Reflex action Hormonal action None of these Answer :B

Discussion

8916.	Question : Salivary glands are examples of
Answer» HOLOCRINE glands Merocrine glands Apocrine glands Endocrine glands Answer :B

Discussion

8917.	Question : Salivary amylase act at a pH of
Answer» `6.8` `8` `1.2` `7.4` ANSWER :A

Discussion

8918.	Question : salivary amylase converts boiled starch into:
Answer» Maltose Sucrose Lactose Galactose Answer :A

Discussion

8919.	Question : Saliva contains enzyme______.
Answer» ANSWER :PTYALIN

Discussion

8920.	Question : Saline solution is given to patients of Cholera because:
Answer» `NA^(+)` prevents WATER loss from body NaCl function as REGULATORY material NaCl produces energy NaCl is antibacterial Answer :A

Discussion

8921.	Question : Salinity of seas measured in parts per hundred is :
Answer» `10-15` 30 - 35 0 - 5 3 - 3.5 Solution :Salinity of sea is 3.0 - 3.5 % or30 - 35 parts PER THOUSAND

Discussion

8922.	Question : Sahiwal cows in Punjab were developed through -
Answer» Artificial SELECTION and domestication from ANCESTRAL WILD COWS. Artificial selection and domestication ofwild cows. Artificial selection and European wild cows . Artificial selection and domestication from American cows. Answer :A

Discussion

8923.	Question : Salamander and Axolotl larva regenerate
Answer» LIMBS , EYE STRUCTURES and intestine Jaws and EXTERNAL gills Both A and B Trunk Answer :C

Discussion

8924.	Question : Sal and teak is the dominant species in which of the following forests
Answer» Tropical dry decidous forests Temperature deciduous forest Temperate RAIN forest None of the above Solution :The tropical dry deciduous forest biomes develop in the region where moisture RELATION are intermediate between desert and savanna. These are found in South-east. Asia, CENTRAL and South America, INDIA and Northern Australlia. Teak and SAL are major large tree.

Discussion

8925.	Question : The contraceptive pills saheli contains a non-steroidal preparation called ________
Answer» SOLUTION :Centchroman

Discussion

8926.	Question : Sahell' contraceptive oral pill was developed at:
Answer» DEPARTMENT of BIOTECHNOLOGY, New Delhi. CDRI, Lucknow. NEERI, Nagpur. Department of MOLECULAR Biology, Hydrabad. Answer :B

Discussion

8927.	Question : Saheli is :
Answer» an ORAL CONTRACEPTIVE of females an oral contraceptive of males a diaphragm a foam Answer :A

Discussion

8928.	Question :.Saheli. a new oral contraceptives development by
Answer» All India Institute of MEDICAL SCIENCE Central Durg Research Institute Health Care Pvt. LTD. Bhartat Immunological & Biologicals crop Ltd. Answer :B

Discussion

8929.	Question : Saheli, a female antifertility pill, is used:DailyWeeklyQuarterlyMonthly
Answer» DAILY Weekly Quarterly Monthly Answer :B

Discussion

8930.	Question : Saffron is
Answer» Stamens of HIBISCUS STYLE and STIGMA of CROCUS PLANT Roots of Indigofera Petals of Musa Answer :B

Discussion

8931.	Question : Safety of polio vaccine is tested on transgenic ……………….
Answer» pigs rabbits fishes mice Answer :D

Discussion

8932.	Question : Sacred groves are specially useful in
Answer» Preventing SOIL EROSION Year ROUND flow of water in river Generating environmental awareness Conserving rare and THREATENED SPECIES Solution :Conserving rare and threatened species

Discussion

8933.	Question : Sacred grows are present in :
Answer» KHASI and Jaintia hills in Meghalaya Aravalli hills of Rajasthan Klestern Ghat Region of KARNATAKA and MAHARASHTRA All of above Solution :All of above

Discussion

8934.	Question : Sacred grooves are specially useful in
Answer» Generating ENVIRONMENTAL awareness Preventing soil EROSION Year-round flow of WATER in rivers Conserving rare and THREATENED species Answer :D

Discussion

8935.	Question : Saccharomycescerevisiaecommonlycalledbrewer'syeastjustify
Answer» Solution :SACCHAROMYCES cerevisiae commonly called brewer .s yeast is used for fermenting malted cereals and fruit juices to produce various ALCOHOLIC beverages . Wine and BEER are produced WITHOUT DISTILLATION , whereas whisky , brandy and rum are obtained by fermentation and distillation .

Discussion

8936.	Question : Saccharomyces cerevisiae is not involved in production of
Answer» ethanol fermentation of malted cereals penicillin fermentation of FRUIT juice Answer :C

Discussion

8937.	Question : Saccharomyces cerevisiae, acts as a best host than Escherichia coli for the production of recombinant interferons. Yes or No? Support your answer.
Answer» Solution :YES. The Saccharomyces cerevisiae, is the BEST source of recombinant interferon than E-coli Since E-coli does not POSSESS the MACHINERY for glycolysation of protein.

Discussion

8938.	Question : S.A node is called pacesetter
Answer» ANSWER :PACESETTER

Discussion

8939.	Question :sa
Answer» a - RECOMBINATION, B - CROSSING over a - recombination, b - LINKAGE a - linkage, b - recombination a - linkage, b - mutation Answer :C

Discussion

8940.	Question : S - Weedicides are chemically synthesized product.R - Bionematicides are biologically synthesized product. A.Statement S&R both are true But R is explanation of S. B.Statement S&R both are true And R is not explanation of S.C.S. is true, .R. is false.D.S. is false, .R. is true.
Answer» STATEMENT S&R both are true But R is EXPLANATION of S. Statement S&R both are true And R is not explanation of S. .S. is true, .R. is false. .S. is false, .R. is true. Solution :Statement S&R both are true And R is not explanation of S.

Discussion

8941.	Question : S- With based on research, IVRI has shown that, there is high nutrition in eggs. R-In country like India, for proper nutrition of human beings the good use of eggs is necessary
Answer» S & R both are TRUE And .R. is the explanation of .S.. S & R both are true And .R. is not the explanation of .S.. .S. is true and R is false .S. is false and R is true Solution :S & R both are true And .R. is not the explanation of .S..

Discussion

8942.	Question : S - Wax is a byproduct of apiculture. R - Wax is completely soluble in water and insoluble in ether.
Answer» S & R both are TRUE And .R. is the EXPLANATION of .S.. S & R both are true And .R. is not the explanation of .S.. .S. is true and R is FALSE .S. is false and R is true SOLUTION : .S. is true and R is false

Discussion

8943.	Question : S-Still pollution has not been solved by sewage treatment plantR- Still there are not enough sewage treatment plants according to human population.(A) Statement S&R both are true But R is explanation of S.(B) Statement S&R both are true And R is not explanation of S.(C) S. is true, .R. is false.(D) S. is false, .R. is true.
Answer» STATEMENT S&R both are TRUE But R is explanation of S. Statement S&R both are true And R is not explanation of S. .S. is true, .R. is FALSE. .S. is false, .R. is true. Solution : Statement S&R both are true But R is explanation of S.

Discussion

8944.	Question : S-Typhoid is diagnosed by widal test. R - Pneumonia is diagnosed by WB test.
Answer» S & RARE True. R is an EXPLANATION of S. S&R are True. R is not the explanation of S. S is True & R is False. S is False & R is True. Solution :S is True & R is False.

Discussion

8945.	Question : S - The secondary response is very intensive. R - For secondary response B-cells and T-cells are responsible.
Answer» S & R are TRUE. R is an explanation of S. S & R are True. R is not the explanation of S. S is True & R is FALSE. S is False & R is True. Solution :S&R are True. R is not the explanation of S.

Discussion

8946.	Question : S - The hybridization - which occurs, in the animals of the same species in known as inbreeding, R- Due to inbreeding, the production of inbreed species is increased.
Answer» S & R both are TRUE And .R. is the explanation of .S.. S & R both are true And .R. is not the explanation of .S.. .S. is true and R is FALSE .S. is false and R is true SOLUTION :S & R both are true And .R. is not the explanation of .S..

Discussion

8947.	Question : S - Thymus gland is a primary lymph organ. R - Bone marrow is a secondary lymph organ.
Answer» S & R are TRUE. R is an explanation of S. S&R are True. R is not the explanation of S. S is True & R is FALSE. S is False & R is True. SOLUTION : S is True & R is False.

Discussion

8948.	Question : S. strain of Diplococcus is
Answer» SMOOTH, capsulated NON virulent FORM causing DEATH in mice Smooth, non-capsulated virulent form causing no death in mice Smooth, non-capsulated non virulent form causing no death in mice Smooth, capsulated virulent form causing death in mice Answer :D

Discussion

8949.	Question : S - PMNL is a cellular barrier. R - Saliva of mouth is a physical barrier.
Answer» S & R are TRUE. R is an EXPLANATION of S. S & R are True. R is not thc explanation of S. S is True & R is FALSE. S is False & R is True Solution :S is True & R is False.

Discussion

8950.	Question :S - Production of lactic acid occurs through lacto bacteria.R - Lactobacillus is useful in making curd from milk.
Answer» Statement S&R both are TRUE But R is explanation of S. Statement S&R both are true And R is not explanation of S. .S. is true, .R. is FALSE. .S. is false, .R. is true. Solution :Statement S&R both are true And R is not explanation of S.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Sarcomere is distance between

Question : Sandhya is working in a tissue culture lab. Witle doing tissue culture she forgot to prepare subcultures. a. What will happen to the culture? b. Justify your answer.

Question : Sandy soil is not suitable for cultivation. Explain why?

Question : Sandwich model of plasma membrane wasproposed by.

Question : Sandalwood tree is considered a

Question : Salvery gland chromosomes were discovered by :

Question : Sambar lake containing brackish wateris located in.

Question : Salt tolerant transgenic plants have been developed for(A) Brinjal(B) Potato(C) Tomato(D) Grapes

Question : Saltation

Question : Salt stress, disease resistance in plants and cold stress in plants can be introduced by(A) Genetic engineering(B) Tissue culture(C) Hybridoma technology(D) None of these

Question : Salt respiration is

Question : Salt concentration of the sea measured in parts per thousand is

Question : Salt concentration (Salinity) of the sea measured in parts per thousand is

Question : Salmonella typhi

Question : Salivation due to smelling of good food is an act of:

Question : Salivary glands are examples of

Question : Salivary amylase act at a pH of

Question : salivary amylase converts boiled starch into:

Question : Saliva contains enzyme______.

Question : Saline solution is given to patients of Cholera because:

Question : Salinity of seas measured in parts per hundred is :

Question : Sahiwal cows in Punjab were developed through -

Question : Salamander and Axolotl larva regenerate

Question : Sal and teak is the dominant species in which of the following forests

Question : The contraceptive pills saheli contains a non-steroidal preparation called ________

Question : Sahell' contraceptive oral pill was developed at:

Question : Saheli is :

Question :.Saheli. a new oral contraceptives development by

Question : Saheli, a female antifertility pill, is used:DailyWeeklyQuarterlyMonthly

Question : Saffron is

Question : Safety of polio vaccine is tested on transgenic ……………….

Question : Sacred groves are specially useful in

Question : Sacred grows are present in :

Question : Sacred grooves are specially useful in

Question : Saccharomycescerevisiaecommonlycalledbrewer'syeastjustify

Question : Saccharomyces cerevisiae is not involved in production of

Question : Saccharomyces cerevisiae, acts as a best host than Escherichia coli for the production of recombinant interferons. Yes or No? Support your answer.

Question : S.A node is called pacesetter

Question :sa

Question : S - Weedicides are chemically synthesized product.R - Bionematicides are biologically synthesized product. A.Statement S&R both are true But R is explanation of S. B.Statement S&R both are true And R is not explanation of S.C.S. is true, .R. is false.D.S. is false, .R. is true.

Question : S- With based on research, IVRI has shown that, there is high nutrition in eggs. R-In country like India, for proper nutrition of human beings the good use of eggs is necessary

Question : S - Wax is a byproduct of apiculture. R - Wax is completely soluble in water and insoluble in ether.

Question : S-Typhoid is diagnosed by widal test. R - Pneumonia is diagnosed by WB test.

Question : S - The secondary response is very intensive. R - For secondary response B-cells and T-cells are responsible.

Question : S - The hybridization - which occurs, in the animals of the same species in known as inbreeding, R- Due to inbreeding, the production of inbreed species is increased.

Question : S - Thymus gland is a primary lymph organ. R - Bone marrow is a secondary lymph organ.

Question : S. strain of Diplococcus is

Question : S - PMNL is a cellular barrier. R - Saliva of mouth is a physical barrier.

Question :S - Production of lactic acid occurs through lacto bacteria.R - Lactobacillus is useful in making curd from milk.