24277 + Interview Questions in Biology in Class 12

1.	Question : The whole genome of Escherichia coli have _____ bp which is replication within_____ minutes6
Answer» `6.6 X 10^6,20` `4.6 x 10^9,33` `4.6 x 10^6,38` `6.6 x 10^9,40` ANSWER :C

Discussion

2.	Question : The white winged moth survived and the dark-coloured moth were pickd out by predators before indusrial revolution in England. It supports the theory that proposed by
Answer» Lamark Darwin Hugo DE Vries Oparin Answer :B

Discussion

3.	Question : The Western Ghats have greater …………….. species diversity than the Eastern Ghats.
Answer» Mammals Birds AMPHIBIAN Arthopods Solution :Amphibian

Discussion

4.	Question : The waxy layer covers the leaf epidermis on
Answer» ADAXIAL SURFACE only Abaxial surface only Both SURFACES LOWER surface only Answer :C

Discussion

5.	Question :The wavelength of light absorbed by reaction centre of PS-II is
Answer» 640 NM 680 nm 720 nm 940 nm Answer :B

Discussion

6.	Question : Water excreting structures present at the tip of margins of certain leaves are
Answer» ANSWER :HYDATHODE

Discussion

7.	Question : The water potential of pure water is:
Answer» ZERO LESS than zero More than zero but less than one More than one Answer :A

Discussion

8.	Question : The water potential of a solution is
Answer» Directly proportional to the concentration of the solution Directly proportional to the concentration of the solute Directly proportional to the concentration of SOLVENT MOLECULES of the solution Inversely proportional to the concentration of solvent molecules of the solution Answer :C

Discussion

9.	Question : The water potential of a solution if a pressure greater than atmospheric pressure is applied on it
Answer» Increases DECREASES Remains constant First decreases then increases Answer :A

Discussion

10.	Question : The water potential in guard cells during day time in photoactive stomata
Answer» INITIALLY DECREASES and LATER INCREASES Initially increases and later decreases Increases at all times Decreases at all times Answer :A

Discussion

11.	Question : Water potential and osmotic potential of pure water is:
Answer» ANSWER :ZERO BAR

Discussion

12.	Question : The water of green coconut is :
Answer» LIQUID endosperm Seed Mesocarp Endocarp Answer :A

Discussion

13.	Question : The water conducting tissue in bryophyta is :-
Answer» Parenchyma Sclerenchyma Trachieds Sieve TUBES ANSWER :A

Discussion

14.	Question : The waste which is degraded by bacteria is known as .....(A) Abiotic degradable(B) Biodegradable(C) Solid waste(D) Radioactive waste
Answer» ABIOTIC degradable Biodegradeble Solid WASTE Radioactive waste ANSWER :B

Discussion

15.	Question : The watercavity present in the xylem of maize stem vascular bundles is
Answer» schizogenous hydrolytic lysigenous shizo-lysigenous Answer :D

Discussion

16.	Question : The was deferens receives duct from the seminal vesicle and opens into urethra as :
Answer» EPIDIDYMIS Ejaculatory duct Efferent ductule Ureter Solution :The VASDEFERENS receives duct from the SEMINAL VESICLE and opens into urethra as ejaculatory duct.

Discussion

17.	Question : The waste products produced in man which need to be excreted are
Answer» All of these urea and salts excoss of water All of these ANSWER :D

Discussion

18.	Question : The 'walking fern'is so named because
Answer» it is DISPERSED through the AGENCY of walking animals it propagates vegetatively by its leaf tips it knows how to WALK by itself its spores are able to walk Solution :(b) Adiantum is called walking ferm. The tips of its leaves, on coming in contactwith the soil, GIVES out adventitious roots which in turn PRODUCE new leaves and develop into new plants.

Discussion

19.	Question : The volume of blood present in each ventricle before the beginning of atrial systole and at the end of joint diastole is.
Answer» 21mL 70mL 49mL 99mL Answer :D

Discussion

20.	Question : The voluntary organization in your town approaches you to suggest some Bio - medical equipments to be exhibited in their campaign on CANCER : PREVENTION DETECTION AND REMEDY. List 4 equipments and their specific purpose that you may suggest.
Answer» Solution :i. Microscope: used for blood tests (for counting WBC to detect leukemia) ii. CT-Scan, MRI Scan : To detect cancer in the internal ORGAN. iii. Endoscopy, Gastroscopy: To see the internal organs like STOMACH, in testine etc. iv. Sonography, X-ray: To TAKE internal IMAGES of the PARTS of the body.

Discussion

21.	Question : The volume of fluid filtered in the two kidneys every minute is _____.
Answer» ANSWER :125 ML

Discussion

22.	Question : the volume and surface area of a deer is 1,50, 000 cm^(3) and 19, 000 cm^(2)and of a squirrel is625 cm ^(3) and 530 cm ^(3) . The area available for heat loss per cm^(3)volume of the squirrel will be approximately
Answer» Seven times more than the DEER Five times less than the deer Three times more than the deer ELEVEN times more than the deer ANSWER :A

Discussion

23.	Question : The volume and surface area of a deer are 150,000 cm^3 and 19,000 cm^2 and those of a squirrel are 625 cm^3 and 530 cm^2. The area available for heat loss per cm^2 volume of the squirrel will be approximately
Answer» 7 TIMES more than the DEER 5 times less than the deer 3 times more than the deer 11 times more than the deer Answer :A

Discussion

24.	Question : The vitamins required to maintain bone density
Answer» VITAMIN A and C Vitamin C and D Vitamin B and C Vitamin A and E Answer :B

Discussion

25.	Question : The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is(A) Vitamin C(B) Vitamin D(C) Vitamin B_12(D) Vitamin E
Answer» Vitamin C Vitamin D Vitamin `B_12` Vitamin E SOLUTION :The vitamin `B_12`content increases FOLLOWING the conversion of milk into curd by lactic ACID bacteria (LAB).

Discussion

26.	Question :The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is
Answer» VITAMIN C vitamin D vitamin `B_12` vitamin E Answer :C

Discussion

27.	Question : The vitamin which works along with para thyroid hormone is
Answer» VITAMINE C Calciferol Tocopherol Vitamin-`B_(12)` ANSWER :B

Discussion

28.	Question : The visible coloured portion of the eye is
Answer» RETINA iris CORNEA LENS ANSWER :B

Discussion

29.	Question : The viruses without having protein capsid are:
Answer» Viroids Viruses Mycobiont Phycobiont Answer :A

Discussion

30.	Question : The viability period of human ovum is ______.
Answer» ANSWER :2 DAYS

Discussion

31.	Question : The vertical section of plant material shows the following anatomical characters under microscope :- Mesophyll is differentiated into palisade parenchyma and spongy parenchyma, bundle sheath extensions are parenchymatous and usually stomata are more on lower surface. Plant material should be -
Answer» DICOT stem Dorsiventral leaf Isobilateral leaf Monocot stem Answer :B

Discussion

32.	Question : The vertical distribution of different species occupying different levels is called as
Answer» STRATIFICATION fragmentation mobilization MINERALIZATION ANSWER :A

Discussion

33.	Question :The vesicular structure associated with the event of crossing over is called _____
Answer» ANSWER :RECOMBINATION NODULE

Discussion

34.	Question : The vertebra which bears the whole weight of vthe skull is :-
Answer» Atlas Axis Cervical Lumber Answer :A

Discussion

35.	Question :Vertical distfibution of species occupying different heights is :
Answer» STRATIFICATION Fragmentation Mobilization Mineralization Answer :A

Discussion

36.	Question : The vertebra that bears the dens is
Answer» Atlas AXIS C3 C7 ANSWER :B

Discussion

37.	Question : Vermiform appendix of man is an example of :
Answer» ANSWER :VESTIGIAL ORGAN

Discussion

38.	Question : the vegetationin an area is determinedby differentcharactersticand parameters of soilCommenton thisstatement .
Answer» SOLUTION :The soilcomposition GRAIN size and AGGREGATION are the characteristicsof soils . Parameterssuchas PH, MINERAL compositionand topographyand theabovecharacterdetermineto a largeextent the vegetationin anyarea.

Discussion

39.	Question : Which of the following is not the vector of Filaria?
Answer» Anopheles Aedes Culex Stegomyia Answer :C

Discussion

40.	Question : The vector for T-DNA is
Answer» Thermus aquaticus SALMONELLA TYPHIMURIUM AGROBACTERIUM tumefaciens Escherichia coli Answer :C

Discussion

41.	Question : The vasdeferens receives duct from the seminal vesicle and opens into urethra as :-
Answer» Epididymis Bartholin duct Ejaculatory duct Tubuli recti Answer :C

Discussion

42.	Question : The vascular connection lies between digestive tract and liver is
Answer» HEPATIC PORTAL SYSTEM LYMPHATIC system CORONARY system renal portal system Answer :A

Discussion

43.	Question : The vascular bundles in the stem are generally scattered in
Answer» DICOTS Gymnosperms Monocots Algae Answer :C

Discussion

44.	Question : The vas deference serves to transport the ovum.
Answer» SOLUTION :FALSE. CORRECT STATEMENT : The vas deferens serves to transport the sperm.

Discussion

45.	Question : The variety of wheat improved by pureline selection is
Answer» NP-6 HC-1 TMV-3 HC-6 Answer :A

Discussion

46.	Question : The variation in chromosome structure occurs due to I.Duplication II. Euploidy III. InversionIV. Aneuploidy
Answer» I and III II and IV III and IV Only IV Answer :A

Discussion

47.	Question : The water potential and osmotic potential of pure water at normal atmospheric pressure are respectively:
Answer» ANSWER :ZERO(BAR)

Discussion

48.	Question : The value of transpiration tension and negative hydrostatic pressure is about
Answer» 20atm 25 atm 30 atm 35 atm Answer :D

Discussion

49.	Question : The value of slope of regression ( Z ) of species - area relationship for frugivorous birds and mammals in the tropical forests of different continents is ______________
Answer» 1.15 2.65 3.25 6.12 Answer :A

Discussion

50.	Question : The value of 'r' for Norway rat is ...........
Answer» 0.15 0.0015 0.015 1.5 ANSWER :C

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : The whole genome of Escherichia coli have _____ bp which is replication within_____ minutes6

Question : The white winged moth survived and the dark-coloured moth were pickd out by predators before indusrial revolution in England. It supports the theory that proposed by

Question : The Western Ghats have greater …………….. species diversity than the Eastern Ghats.

Question : The waxy layer covers the leaf epidermis on

Question :The wavelength of light absorbed by reaction centre of PS-II is

Question : Water excreting structures present at the tip of margins of certain leaves are

Question : The water potential of pure water is:

Question : The water potential of a solution is

Question : The water potential of a solution if a pressure greater than atmospheric pressure is applied on it

Question : The water potential in guard cells during day time in photoactive stomata

Question : Water potential and osmotic potential of pure water is:

Question : The water of green coconut is :

Question : The water conducting tissue in bryophyta is :-

Question : The waste which is degraded by bacteria is known as .....(A) Abiotic degradable(B) Biodegradable(C) Solid waste(D) Radioactive waste

Question : The watercavity present in the xylem of maize stem vascular bundles is

Question : The was deferens receives duct from the seminal vesicle and opens into urethra as :

Question : The waste products produced in man which need to be excreted are

Question : The 'walking fern'is so named because

Question : The volume of blood present in each ventricle before the beginning of atrial systole and at the end of joint diastole is.

Question : The voluntary organization in your town approaches you to suggest some Bio - medical equipments to be exhibited in their campaign on CANCER : PREVENTION DETECTION AND REMEDY. List 4 equipments and their specific purpose that you may suggest.

Question : The volume of fluid filtered in the two kidneys every minute is _____.

Question : the volume and surface area of a deer is 1,50, 000 cm^(3) and 19, 000 cm^(2)and of a squirrel is625 cm ^(3) and 530 cm ^(3) . The area available for heat loss per cm^(3)volume of the squirrel will be approximately

Question : The volume and surface area of a deer are 150,000 cm^3 and 19,000 cm^2 and those of a squirrel are 625 cm^3 and 530 cm^2. The area available for heat loss per cm^2 volume of the squirrel will be approximately

Question : The vitamins required to maintain bone density

Question : The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is(A) Vitamin C(B) Vitamin D(C) Vitamin B_12(D) Vitamin E

Question :The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is

Question : The vitamin which works along with para thyroid hormone is

Question : The visible coloured portion of the eye is

Question : The viruses without having protein capsid are:

Question : The viability period of human ovum is ______.

Question : The vertical distribution of different species occupying different levels is called as

Question :The vesicular structure associated with the event of crossing over is called _____

Question : The vertebra which bears the whole weight of vthe skull is :-

Question :Vertical distfibution of species occupying different heights is :

Question : The vertebra that bears the dens is

Question : Vermiform appendix of man is an example of :

Question : the vegetationin an area is determinedby differentcharactersticand parameters of soilCommenton thisstatement .

Question : Which of the following is not the vector of Filaria?

Question : The vector for T-DNA is

Question : The vasdeferens receives duct from the seminal vesicle and opens into urethra as :-

Question : The vascular connection lies between digestive tract and liver is

Question : The vascular bundles in the stem are generally scattered in

Question : The vas deference serves to transport the ovum.

Question : The variety of wheat improved by pureline selection is

Question : The variation in chromosome structure occurs due to I.Duplication II. Euploidy III. InversionIV. Aneuploidy

Question : The water potential and osmotic potential of pure water at normal atmospheric pressure are respectively:

Question : The value of transpiration tension and negative hydrostatic pressure is about

Question : The value of slope of regression ( Z ) of species - area relationship for frugivorous birds and mammals in the tropical forests of different continents is ______________

Question : The value of 'r' for Norway rat is ...........

Question : The whole genome of Escherichia coli have _ bp which is replication within_ minutes6