24277 + Interview Questions in Biology in Class 12 Page 285 InterviewSolution

14201.	Question : ____is the end product of fat digestion.
Answer» ANSWER :GLYCEROL and FATTY ACIDS

Discussion

14202.	Question : ____is the end product of carbohydrate digestion.
Answer» ANSWER :MONOSACCHARIDES

Discussion

14203.	Question : _____is the direct cell division.
Answer» ANSWER :AMITOSIS

Discussion

14204.	Question : Linkage.
Answer» Solution :(1)Linkage is the tendency of GENES to be inherited TOGETHER because they are present in the same chromosome.(2)All the genes on a chromosome are linked to one another.In a linkage group some of linkage of the genes are included.(3)The number of linkage group of a particular species correstponds to its haploid number of chromosomes present in that ORGANISM.(4)In human beings,there are 23 linkage in group which correspond of the PAIRS of chromosomes found in each cell.(5)Linkage group can be separated only at the time of crossing over during meiosis.The linkage group can form a new combination of genes after crossing ever.(6)Linkages are of two types,viz.complete linkage and incomplete linkage.

Discussion

14205.	Question : …..........is the common species of honeybee in india.
Answer» ANSWER :APIS INDICA

Discussion

14206.	Question : Is the common edible mushroom an autotroph or a heterotroph ?
Answer» Solution :Generally MUSHROOM (Aggerix) is WITHOUT CHLOROPLAST and HETEROTROPHS.

Discussion

14207.	Question : _____is the cavity found within the spinal.
Answer» Neurocoel Blastocoel Enterocoel Schizocoel Answer :A

Discussion

14208.	Question : _____is the cavity of blastocyst.
Answer» ANSWER :BLASTOCOEL

Discussion

14209.	Question : _____is the act of expellingthe infant from mother's uterus.
Answer» ANSWER :Parturition/Labour/Child BIRTH

Discussion

14210.	Question : lims carried by the is ultimately drained into
Answer» RIGHT lymph right SUBCLAVIAN VEIN left subclavian vein aorta Answer :C

Discussion

14211.	Question : Which is structural and functional unit of testis
Answer» FALLOPIAN tube Nephric tubule Urethra Seminiferous tubule Answer :D

Discussion

14212.	Question : Is sodium an essential element ?
Answer» SOLUTION :No, itisabeneficialelement requiredby somehigherplants.

Discussion

14213.	Question : Lindeman proposed law of 10% . How will you explain this law in relation to food chain ?
Answer» Solution :The transfer of ENERGY fromproducer to consumer and from consumer to next consumer , at HIGHER trophoic level is ACCOMPANIED by loss of energy all along the path . When plants are EATEN by animal about 10% of energy in the food is fixed into animal FLESH . When a carnivore consumes that animal only about 10% of energy is fixed . Producers `to` Herbiovers (100 kcal )`""`(10 kcal ) `to` Consumer `- 1 to` Consumer 2 (1 kcal ) `""`(0.1 kcal)

Discussion

14214.	Question : The phenomenon observed in some plants where in parts of the sexual apparatus is used for forming embryous without fertilisation is called(A) Parthenocarpy(B) Apomixis(C) Vegetative propagation(D) Sexual reproduction
Answer» Autogamy Parthenocarpy Syngamy parthenogenesis Answer :D

Discussion

14215.	Question : Limit of BOD PRESCRIBED by Central Pollution Control Board for the descharge of industrial and municipal waste waters into natural surface wate is :
Answer» LT 100 ppm lt 30 ppm lt 10 ppm lt 3.0 ppm Answer :B

Discussion

14216.	Question : Is sex eductaion necessary in schools ? Why ?
Answer» Solution :Sex education is necessary in schools. It will help the student to understand the proplems such as uncontrolled population growth, social evils LIKE sex ABUSE and sex related crimes. This will enable the STUDENTS to think and take up necessary steps to prevent them and THEREBY build up a SOCIALLY responsible and healthy society.

Discussion

14217.	Question : Like many plant processes, transport of various materials in plants aot the cellular level requires all of the following except
Answer» SPECIFIC MEMBRANE proteins passive transport uphill transport a PROTON gradient Answer :C

Discussion

14218.	Question : Is sex education necessary in schools ? Why?
Answer» SOLUTION :Yes, it will provide proper INFORMATION to children about SEX. The education of this will keep AWAY children from traditional beliefs and MISUNDERSTANDING about sex education.

Discussion

14219.	Question : Limbic system is concerned with all of the following, except
Answer» REGULATION of sexual behaviour Expression of emotional reactions Conversion of SHORT TERM memory to long term memory Regulation of breathing Answer :D

Discussion

14220.	Question : Ligulate/strap-shaped corolla occurs in Sunflower in
Answer» DISC FLORETS Immature florets RAY florets Both ray and disc florets. ANSWER :C

Discussion

14221.	Question : .........is secreted by the abdominal gland of bees.
Answer» Honey Honey COMB Bee.s WAX Bee.s oil Solution :Bee.s wax

Discussion

14222.	Question :Lignified cell wallFound in seed coat of legumes Provide mechanical supportThese characters are found in
Answer» XYLEM Sclerenchyma Collenchyma Sieve TUBE Answer :B

Discussion

14223.	Question : Lightly stained regions of chromatin is called_____
Answer» ANSWER :EUCHROMATIN

Discussion

14224.	Question : Is sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bass expected to be present in this DNA are
Answer» G 17%, A 16.5%, T 32.5% G 17%, A 33%, T 33% G 8.5%, A 50%, T 24.5% G 34%, A 24.5%, T 24.5% ANSWER :B

Discussion

14225.	Question : Light saturation occurs at _____ of the total sunlight available to the plants
Answer» 2-4% 0.1 0.5 0.05 Answer :B

Discussion

14226.	Question : _____is responsible for the inhibition of ovulation
Answer» Oestrogen Prolactin Progesterone Oxytocin Answer :C

Discussion

14227.	Question : ______is regarded as father of Modern Taxonomy.
Answer» aristotle mendel LINNAEUS carl woose Answer :Carolous Linnaeus

Discussion

14228.	Question : Light reaction of Photosynthesis occurs inside
Answer» STROMA GRANA ENDOPLASMIC RETICULUM Cytoplasm Answer :B

Discussion

14229.	Question : Light reaction and Dark reaction.
Answer» SOLUTION :

Discussion

14230.	Question : ______is regarded as father of Zoology.
Answer» aristotle mendel theophrastus leeuwenhoek Answer :ARISTOTE

Discussion

14231.	Question : Light is rarely a limiting factor for photosynthesis in all the following plants but is oftenlya limiting factor in
Answer» SCIOPHYTES HELIOPHYTES NORMAL `C_3` PLANTS Normal `C_4` plants ANSWER :A

Discussion

14232.	Question : Light is essential for life. Why?
Answer» SOLUTION :Light infuences growth, pigmentation, migration and reproduction. The intensity and frequency of light influences metabolic ACTIVITY, induce gene mutations (UV, X-rays). Light is essential for vision. This is proved by the poorly developed or absence of eyes in cave dwelling organisms. Diapause is also influenced by light in animals. Gonads of birds become more active with INCREASING light in summer. Light influences the locomotion and movement of LOWER animals

Discussion

14233.	Question : _____is reabsorbed in loop of henle.
Answer» Urea Sodium chloride Potasium Water Answer :D

Discussion

14234.	Question : Light compensation point is mostly
Answer» ADP+AMP`underset("Lightenerygy")rarr`ATP ADP+Inorganic `PO_(4)underset("LIGHTENERGY")ATP` ADP+Inorganic`PO_(4)rarrATP` AMP+Inorganic `underset("LIGHT energy")`ATP Answer :B

Discussion

14235.	Question : Light-dependent formation ofhigh energy phosphates.
Answer» ANSWER :PHOTOPHOSPHORYLATION

Discussion

14236.	Question : _____is present in between two adjacent plant cells.
Answer» ANSWER :MIDDLE LAMELLA

Discussion

14237.	Question : Ligase separates the two strands of the DNA
Answer» Solution :False,CORRECT STATEMENT:Helicase separates the two STRANDS of the DNA .

Discussion

14238.	Question : Is not a gaseous type of nutrient cycle
Answer» NITROGEN PHOSPHORUS Carbon OXYGEN SOLUTION :Phosphorus

Discussion

14239.	Question : Ligament is
Answer» MODIFIED white FIBROUS tissue Inelastic white fibrous tissue Modified ELASTIC CONNECTIVE tissue None of the above Answer :C

Discussion

14240.	Question : Lifestyle diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both of these problems together?
Answer» Solution :Biofortification, ie, breeding crops with higher contents of vitamins, micronutrients (minerals), good QUALITY of proteins (with amino acid lysine) and good fats (with omega 3 fatty acids) is the most practical way to eradicate malnutrition and lifestyle diseases in human populations. For EXAMPLE, (a) Maire varieties are developed with more of amino acid lysine and tryptophan (b) Wheat VARIETY, Atlas 66 has high protein content. (c) Vitamin A enriched carrots, spinach, pumpkins, vitamin C enriched BITTER gourds, bathu, mustard and tomatoes iron and calcium enriched spinach and bathua, and protein enriched beans are developed

Discussion

14241.	Question : Is not a type of adaptive radiation ?
Answer» Local ADAPTIVE branching CONTINENTAL adaptive radiation Contemporaneous radiation SIMPLE radiation SOLUTION :Simple radiation

Discussion

14242.	Question : Lifespan of human white blood corpuscles is
Answer» 24hours Less than 10 days 120 days 100 hours Answer :B

Discussion

14243.	Question : Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both problems together?
Answer» Solution :LIFESTYLE disorders can be prevented by improving the lifestyle of a person. Taking too much of a stress can lead to heart stroke and PARALYSIS which can be avoided by living in a healthy environment. Malnutrition is very COMMON in poor people who do not have access to nutritious food and India has a large-scale population who are malnutritious. Proper distribution of food and LESS WASTING can help to address both problems together.

Discussion

14244.	Question : ………………is mendelian disorder.(A) Klinefelter's syndrome(B) Cystic fibrosis(C) Turner's syndrome(D) Down's syndrome
Answer» Klinefelter.s SYNDROME Cystic FIBROSIS Turner.s syndrome Down.s syndrome ANSWER :B

Discussion

14245.	Question : Life without air is
Answer» impossible anaerobic reductions FREE from OXIDATIVE damage Answer :A

Discussion

14246.	Question : Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both these problems?
Answer» Solution :The answer to address both these problems is called BIOFORTIFICATION. This area looks at improving food quality with RESPECT to protein, oil, vitamin, micro nutrient and mineral content. The oils need to be rich in omega 3 fatty acids which are good for heart. Similarly, proteins should have more of lysine and tryptophan (essential amino acids). MANY varieties of maize, carrots and spinach have been released which fulfill the above CRITERIA.

Discussion

14247.	Question : Life span of worker honey bee
Answer» 30 DAYS 15 days 90 days 10 days Answer :C

Discussion

14248.	Question : ______________is located at Izatagar (U.P).
Answer» ANSWER :CARI

Discussion

14249.	Question : Life span of Pheretima is
Answer» 10 - 12 years 6 - 8 years 6 months 3.5 - 10.5 years Answer :D

Discussion

14250.	Question : Is it true that there is more solar energy available in the tropics ? Explain briefly.
Answer» Solution :As ONE moves from the equator to the POLAR REGIONS, the length of the day decreases and the length of the night increases. The length of day and night are the same at the equator.

Discussion

Explore topic-wise InterviewSolutions in .

Question : ____is the end product of fat digestion.

Question : ____is the end product of carbohydrate digestion.

Question : _____is the direct cell division.

Question : Linkage.

Question : …..........is the common species of honeybee in india.

Question : Is the common edible mushroom an autotroph or a heterotroph ?

Question : _____is the cavity found within the spinal.

Question : _____is the cavity of blastocyst.

Question : _____is the act of expellingthe infant from mother's uterus.

Question : lims carried by the is ultimately drained into

Question : Which is structural and functional unit of testis

Question : Is sodium an essential element ?

Question : Lindeman proposed law of 10% . How will you explain this law in relation to food chain ?

Question : The phenomenon observed in some plants where in parts of the sexual apparatus is used for forming embryous without fertilisation is called(A) Parthenocarpy(B) Apomixis(C) Vegetative propagation(D) Sexual reproduction

Question : Limit of BOD PRESCRIBED by Central Pollution Control Board for the descharge of industrial and municipal waste waters into natural surface wate is :

Question : Is sex eductaion necessary in schools ? Why ?

Question : Like many plant processes, transport of various materials in plants aot the cellular level requires all of the following except

Question : Is sex education necessary in schools ? Why?

Question : Limbic system is concerned with all of the following, except

Question : Ligulate/strap-shaped corolla occurs in Sunflower in

Question : .........is secreted by the abdominal gland of bees.

Question :Lignified cell wallFound in seed coat of legumes Provide mechanical supportThese characters are found in

Question : Lightly stained regions of chromatin is called_____

Question : Is sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bass expected to be present in this DNA are

Question : Light saturation occurs at _____ of the total sunlight available to the plants

Question : _____is responsible for the inhibition of ovulation

Question : ______is regarded as father of Modern Taxonomy.

Question : Light reaction of Photosynthesis occurs inside

Question : Light reaction and Dark reaction.

Question : ______is regarded as father of Zoology.

Question : Light is rarely a limiting factor for photosynthesis in all the following plants but is oftenlya limiting factor in

Question : Light is essential for life. Why?

Question : _____is reabsorbed in loop of henle.

Question : Light compensation point is mostly

Question : Light-dependent formation ofhigh energy phosphates.

Question : _____is present in between two adjacent plant cells.

Question : Ligase separates the two strands of the DNA

Question : Is not a gaseous type of nutrient cycle

Question : Ligament is

Question : Lifestyle diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both of these problems together?

Question : Is not a type of adaptive radiation ?

Question : Lifespan of human white blood corpuscles is

Question : Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both problems together?

Question : ………………is mendelian disorder.(A) Klinefelter's syndrome(B) Cystic fibrosis(C) Turner's syndrome(D) Down's syndrome

Question : Life without air is

Question : Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both these problems?

Question : Life span of worker honey bee

Question : ______________is located at Izatagar (U.P).

Question : Life span of Pheretima is

Question : Is it true that there is more solar energy available in the tropics ? Explain briefly.