24277 + Interview Questions in Biology in Class 12 Page 481 InterviewSolution

24001.	Question : 120Ophyllotaxy Is found in
Answer» Tristichous Distichous Pentastichous Octastichous Answer :A

Discussion

24002.	Question : 11th July is celebrated as.
Answer» World AIDS Day World Environment Day World population day World SCIENCE and TECHNOLOGY Day Answer :C

Discussion

24003.	Question : 11th July is celebrated as
Answer» WORLDS AIDS day World ENVIRONMENT day World population day world science and TECHNOLOGY day Answer :C

Discussion

24004.	Question : 10 oogonia yield 10 primary oocytes , then how many ova are produced on completion of oogenesis
Answer» 5 10 20 40 Answer :B

Discussion

24005.	Question : 10% energy transfer law in food chain was first given by
Answer» Lindemann Tansley Elton Raunkiaer Answer :A

Discussion

24006.	Question :1. What stimulates pituitary to release the hormone responsible to, parturition ? Name the hormone.
Answer» Solution :PARTURITION is induced by a eomplex neuro endocrine MECHANISM. The SIGNALS for parturition ORIGINATE from the fully developed fetus and the Placenta which induce mild uterine contraction called foetal ejection reflex. This triggers release of oxytocin from the maternal pitujtuary. Oxytoin is the hormone responsible for parturition.

Discussion

24007.	Question : 1. What are physicochemical techniques for removal of radiobiological pollutants from water? Which will be useful to desalinate brackish water?
Answer» SOLUTION :There are various PHYSICOCHEMICAL techniques to remove radiobiological pollutants from WATER such as adsorption, electrodialysis, reverse osmosis and ion exchange. Of the above techniques, reverse osmosis is used to DESALINATE brackish water.

Discussion

24008.	Question : 1. Study the relation of the given pair and fill up the blanks a. Bud : Hydra : : ........ : Penicillium b. Algae : Zoospores :: Sponges : ........ c. Monoecius palm: Coconut :: Dioecious palm : ………... d. Primates : Menstrual cycle : : Non primates : ………..... e. Unisexual male : Staminate : : Unisexual female : …………..
Answer» SOLUTION :a. Conidiab. Gemmule C. Date palmd. Oestrus cycle E. PISTILLATE

Discussion

24009.	Question : 1 ppm = ......... ppb.(A) 10(B) 100(C) 1000(D) 10,000
Answer» 10 100 1000 10,000 ANSWER :C

Discussion

24010.	Question : 1 mol of glucose oxidised aerobically through glycerol phosphate shuttle gives :-
Answer» 38 ATP 36 ATP 40 ATP 39 ATP Answer :B

Discussion

24011.	Question : 0.5 MNaCl solution has_____osmoticpressure than 0.5 M sucrose solution.
Answer» ANSWER :HIGHER

Discussion

24012.	Question : 0.5M sucrose solution develops a pressure of 15 bars in an osmometer, which of the following statement is wrong for such a solution?
Answer» That its osmotic potential is -15 bars That its water potential is -15 bars That is PRESSURE potential is -15 bars That its osmotic pressure is +15bars Answer :C

Discussion

24013.	Question :Which stage is called bouquet stage ?
Answer» ANSWER :LEPTOTENE

Discussion

24014.	Question : Which pigment system is inactivated in red-drop?
Answer» PS-I PS-II PS-I and PS-II None of these Answer :B

Discussion

24015.	Question : Which structure is responsible for coordinated action of enzymes and factors for crossing over?
Answer» ANSWER :RECOMBINATION NODULE

Discussion

24016.	Question : Which is not true for anaphase ?
Answer» CHROMOSOMES split and CHROMATIDS separate Chromosomes MOVE to opposite poles Golgi BODY and ER are formed Spindle poles move further apart Answer :C

Discussion

24017.	Question : _____ was the first to suggest occurrence of distinct pairs of chromosomes.
Answer» Sutton BOVERI Montgomery MORGAN ANSWER :C

Discussion

24018.	Question : ______ was the grandfather of charles darwin.
Answer» ANSWER :ERASMUS DARWIN

Discussion

24019.	Question : ……………. was the first person to develop world's first hybrid of sorghum
Answer» ANSWER :A

Discussion

24020.	Question : _______ was the first genetic material
Answer» DNA RNA Nucleoid Prochoromosome Answer :B

Discussion

24021.	Question : _____ was co-worker of Darwin.
Answer» ANSWER :WALLACE

Discussion

24022.	Question : _____ valve guards the opening of inferior vena cave.
Answer» ANSWER :Eustachin VALVE

Discussion

24023.	Question : _____ valve that guards the opening of coronary sinus in right artrium.
Answer» ANSWER :Thebesian VALVE

Discussion

24024.	Question : _______ used as biofertiliser and nitrogen fixers .
Answer» Enzymes Biomass MICROBIAL INOCULANTS BIOFUELS SOLUTION :N/A

Discussion

24025.	Question : Two molecules ofDNA per chromosome are
Answer» `G_0` PHASE `G_1` Phase `G_2`Phase Anaphase Answer :C

Discussion

24026.	Question : ………. Twins can be of different sex.
Answer» FRATERNAL Monozygotic Identical Siamese Answer :A

Discussion

24027.	Question : _____ tissue stores fats.
Answer» ANSWER :ADIPOSE

Discussion

24028.	Question : _____ theory of lamarck explains presence of vestigial organs in the organism.
Answer» ANSWER :DISUSE

Discussion

24029.	Question : The juvenile gametophyte of moss is called______.
Answer» ANSWER :PROTONEMA

Discussion

24030.	Question : . The nature of all the 31 pairs of spinal nerves is
Answer» Sensory AFFERENT MIXED Motor Answer :C

Discussion

24031.	Question :The firstacceptcor of electrons from an excited chlorophyll molecule of photosystem-II is:
Answer» Iron-sulphur protein Ferredoxin Quinone Cytochrome Answer :C

Discussion

24032.	Question :The cell in which meiosis occurs.
Answer» ANSWER :MEIOCYTE

Discussion

24033.	Question : $ The approximate distance between the sun and the Earth is about 148.7 million km. ! The dimensions of the habitates, regions of the earth are about 22.5 km
Answer» If both As and R are CORRECT and R is correct EXPLANATION of As If both As and R are correct but R is not correct explanation of As If As is correct, R is wrong If both As and R are wrong. Answer :B

Discussion

24034.	Question : . The amount of air that enters the lungs during normal, restful breathing is called the _____.
Answer» VITAL CAPACITY vital capacity vital capacity vital capacity ANSWER :B

Discussion

24035.	Question : _____ term is used to express bed-wetting.
Answer» ANSWER :Enuresia

Discussion

24036.	Question : _____ term is used for formation of blood corpuscles.
Answer» ANSWER :Haemopoeisis

Discussion

24037.	Question : _____ term is used for haemolytic disorder of the new born.
Answer» ANSWER :ERYTHROBLASTOSIS FOETALIS

Discussion

24038.	Question : _____ term is applied to the calcium deposits in the pineal gland.
Answer» ANSWER :BRAIN SAND

Discussion

24039.	Question : ________ takes placeafterimplantaion .
Answer» CLEAVAGE FERTILIZATION GASTRULATION Organogenesis Answer :C

Discussion

24040.	Question :_______ stimulatestheovary todevelopintofruit .
Answer» SOLUTION :FERTILIZATION

Discussion

24041.	Question : _____ stimulates cell division in cordinationwith auxin.
Answer» ANSWER :CYTOKININ

Discussion

24042.	Question :Separation of homologous chromosomes.
Answer» ANSWER :DISJUNCTION

Discussion

24043.	Question : ____ roots are found in wheat.
Answer» RESPIRATORY roots Fasciculated roots Fibrous Tap Answer :C

Discussion

24044.	Question : _____ result in abnormal protein formation of a single gene.
Answer» SOLUTION :GENE ALTERATION

Discussion

24045.	Question : ……….. Refers to the mitotic divisions which the egg undergoes after fertilization.
Answer» Implantation Fertilization Cleavage Gastrulation Answer :C

Discussion

24046.	Question : …………… receives the sensory impulses like touch, heat, pain, etc.
Answer» Cerebrum Cerebellum Spinal cord Cranial nerves Answer :A

Discussion

24047.	Question : _________ provides foodto thedevelopingembryoin plants.
Answer» SOLUTION :ENDOSPERM

Discussion

24048.	Question : ________ proved semi-conservation mode of chromosome replication in______
Answer» Cairms, Bacteriophage Cairms,FABA beans Taylor et.all, Vicia faba Taylor, E.coli Answer :C

Discussion

24049.	Question : …………. Protect the essential pigment chlorophyll-a from photooxidation.
Answer» Xanthophylls Carotenoids Phycobillins Anthocyanins Answer :B

Discussion

24050.	Question : _____ proposed a modified and most accepted version of Hackel's theory of recapitulation.
Answer» Pasteur Seth wright Von beer Oparin Answer :C

Discussion

Explore topic-wise InterviewSolutions in .

Question : 120Ophyllotaxy Is found in

Question : 11th July is celebrated as.

Question : 11th July is celebrated as

Question : 10 oogonia yield 10 primary oocytes , then how many ova are produced on completion of oogenesis

Question : 10% energy transfer law in food chain was first given by

Question :1. What stimulates pituitary to release the hormone responsible to, parturition ? Name the hormone.

Question : 1. What are physicochemical techniques for removal of radiobiological pollutants from water? Which will be useful to desalinate brackish water?

Question : 1 ppm = ......... ppb.(A) 10(B) 100(C) 1000(D) 10,000

Question : 1 mol of glucose oxidised aerobically through glycerol phosphate shuttle gives :-

Question : 0.5 MNaCl solution has_____osmoticpressure than 0.5 M sucrose solution.

Question : 0.5M sucrose solution develops a pressure of 15 bars in an osmometer, which of the following statement is wrong for such a solution?

Question :Which stage is called bouquet stage ?

Question : Which pigment system is inactivated in red-drop?

Question : Which structure is responsible for coordinated action of enzymes and factors for crossing over?

Question : Which is not true for anaphase ?

Question : _____ was the first to suggest occurrence of distinct pairs of chromosomes.

Question : ______ was the grandfather of charles darwin.

Question : ……………. was the first person to develop world's first hybrid of sorghum

Question : _______ was the first genetic material

Question : _____ was co-worker of Darwin.

Question : _____ valve guards the opening of inferior vena cave.

Question : _____ valve that guards the opening of coronary sinus in right artrium.

Question : _______ used as biofertiliser and nitrogen fixers .

Question : Two molecules ofDNA per chromosome are

Question : ………. Twins can be of different sex.

Question : _____ tissue stores fats.

Question : _____ theory of lamarck explains presence of vestigial organs in the organism.

Question : The juvenile gametophyte of moss is called______.

Question : . The nature of all the 31 pairs of spinal nerves is

Question :The firstacceptcor of electrons from an excited chlorophyll molecule of photosystem-II is:

Question :The cell in which meiosis occurs.

Question : $ The approximate distance between the sun and the Earth is about 148.7 million km. ! The dimensions of the habitates, regions of the earth are about 22.5 km

Question : . The amount of air that enters the lungs during normal, restful breathing is called the _____.

Question : _____ term is used to express bed-wetting.

Question : _____ term is used for formation of blood corpuscles.

Question : _____ term is used for haemolytic disorder of the new born.

Question : _____ term is applied to the calcium deposits in the pineal gland.

Question : ________ takes placeafterimplantaion .

Question :_______ stimulatestheovary todevelopintofruit .

Question : _____ stimulates cell division in cordinationwith auxin.

Question :Separation of homologous chromosomes.

Question : ____ roots are found in wheat.

Question : _____ result in abnormal protein formation of a single gene.

Question : ……….. Refers to the mitotic divisions which the egg undergoes after fertilization.

Question : …………… receives the sensory impulses like touch, heat, pain, etc.

Question : _________ provides foodto thedevelopingembryoin plants.

Question : ________ proved semi-conservation mode of chromosome replication in______

Question : …………. Protect the essential pigment chlorophyll-a from photooxidation.

Question : _____ proposed a modified and most accepted version of Hackel's theory of recapitulation.

Question : __ proved semi-conservation mode of chromosome replication in