24277 + Interview Questions in Biology in Class 12 Page 94 InterviewSolution

4651.	Question : The site of meiosis in higher plants -
Answer» GROWTH CELLS Roots tip CELL Stomatal cell SPORE mother cells Answer :D

Discussion

4652.	Question : In a cereal grain the single cotylendon of embryo is represented by :
Answer» ANSWER :SCUTELLUM

Discussion

4653.	Question : The single cell protein is obtained from all,except
Answer» Yeast Spirulina Methylophilus methylotrophus Toadstools Answer :D

Discussion

4654.	Question : The simplest expression of arithmetic growth is examplified by :-
Answer» Root ELONGATION at INCREASING rate Root elongation at constant rate Early zygotic growth All the above Answer :B

Discussion

4655.	Question : The single turn of DNA has_____base pairs.
Answer» 8 10 6 100 Answer :B

Discussion

4656.	Question : The similarity in anatomy of forelimbs of different organisms like man, chhetah, whale and bat explains
Answer» COMMON ancestry Convergent evolution Parallel evolution Adaptive radiation Answer :A

Discussion

4657.	Question : The similarity ofbone structure in the forelimbs of many vertebrates is an example of
Answer» Adaptive radiation Homology CONVERGENT evolution ANALOGY SOLUTION :Homology

Discussion

4658.	Question : The simple organic compounds that may have first evolved in the direction of origin are
Answer» proteins and NUCLEIC acids protein and AMINOACIDS UREA and nucleic acids urea and aminoacids Answer :B

Discussion

4659.	Question : The similarity of bone structure in the forelimbs of many vertebrates is an example of
Answer» Analogy Convergent evolution Homology Adaptive radiation Answer :C

Discussion

4660.	Question : The similarities in composition and structure of protoplasm, enzymes, hormones, DNA, blood etc indicates that:
Answer» ORGANISMS did not share ANCESTORS in RECENT past Organisms did not share ancestors in distant past Organisms have shared ancestors in recent or distant past Organisms NEVER shared ancestors Answer :C

Discussion

4661.	Question : the silk of Bombyx mori is obtained from
Answer» COCOON NYMPH Caterpillar Trochophore ANSWER :C

Discussion

4662.	Question : The significant aspect of reverse transcription is
Answer» the flow INFORMATION from DNA to RNA the flow information from RNA to DNA the flow information from RNA to proteins both a and c Answer :B

Discussion

4663.	Question : The significance of mitosis cell division is:
Answer» Daughter CELLS have quantitatively same chromosomes as parent To produce same chromosomes qualitatively. Both (a) and (B) NONE of these Answer :C

Discussion

4664.	Question : The signals for parturition originate from :-
Answer» Fully DEVELOPED foetus only Placenta only Placenta as WELL as fully developed foetus Oxytocin RELEASED from material pituitary Answer :C

Discussion

4665.	Question : The signal for parturition originates fromplacenta onlyplacenta as well as fully developed foetusoxytocin released from maternal pituitaryfully developed foetus only
Answer» placenta only placenta as WELL as fully developed FOETUS oxytocin RELEASED from MATERNAL pituitary fully developed foetus only Answer :B

Discussion

4666.	Question : The sight of light reaction is:
Answer» Storma Granum Storma lamella Unit membrane Answer :B

Discussion

4667.	Question : The side-effects of the use of anabolic steroids in males don’t include
Answer» EXCESSIVE hair growth on the face and body mood SWINGS increased AGGRESSIVENESS liver DYSFUNCTION Answer :D

Discussion

4668.	Question : The side-effects of excessive use of anabolic steroids is/are
Answer» Enlargement of CLITORIS in females Increased SIZE of TESTICLES in males Breast enlargement in females Reduced AGGRESSION in both male and female Answer :A

Discussion

4669.	Question : The ship used by Charles Darwin during his sea voyages was
Answer» HMS Beagle HSM Beagle HMS Eagle HSM Eagle. Solution :In 1831, CHARLES Darwin got an opportunity to TRAVEL on HMS Beagle ship for a VOYAGE of WORLD EXPLORATION.

Discussion

4670.	Question : Fill in the blanks In grafting, the rooted plant is called stock andstem cuting of donor plant is called .........
Answer» ANSWER :SCION

Discussion

4671.	Question : The shift from grain to meat does not solve the problem of food scarity as it takes :
Answer» 30 KG of grain to produce 1 kg of meat 3-10 kg of grain to produce 10 kg of meat 3 kg of grain to produce 10 kg of meat 3-10 kg of grain to produce 1 kg of meat Answer :D

Discussion

4672.	Question : The shifting cultivation method called jhum belongs to the category of
Answer» INDUSTRIAL forestry agro-forestry commerical forestry social forestry Answer :B

Discussion

4673.	Question : The shift from grain to meat diets creates more demands for cereals. Why?
Answer» Solution :It TAKES 3-10 kg of GRAIN to produce 1 kg of meat using animal FARMING. That is why CEREALS demand INCREASES.

Discussion

4674.	Question : The she of smooth muscle fibre is
Answer» CYLINDRICAL FUSIFORM Oval Round Answer :B

Discussion

4675.	Question : The sheep 'Dolly' was cloned by using somatic cells from donor's
Answer» Udder Skin Tongue Ear lobe Answer :A

Discussion

4676.	Question : The shared terminal duct of the reproductive and urinary system in the human male is
Answer» urethra ureter VASDEFERENS VASA EFFERENTIA ANSWER :A

Discussion

4677.	Question : The shared terminal duct of the reproductive and urinary system in the human male is :
Answer» Urethra Ureter Vas deferens Vasa efferentia Answer :A

Discussion

4678.	Question : The shape of the chromosomes vary according to the ……….. .
Answer» STAGES of CELL division height of an individual weight of an individual proteins presenr in it Answer :A

Discussion

4679.	Question : The shared terminal duct of the reproductive and urinary system in human male is
Answer» Urethra Ureter VAS deferens Vasa efferentia Answer :A

Discussion

4680.	Question : The shape of RBCs of sickle cell anaemia patients change to elongated sickle like structure. Give reason.
Answer» Solution :`Hb^(s)` belhaves as NORMAL haemoglobin except under OXYGEN stress where erythroeytes LOSE their circular shape and become sickle-shaped. As a result, the cells cannot pass through narrow capillaries. BLOOD capillaries are clogged and thus affects blood SUPPLY to different organs.

Discussion

4681.	Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. State the pattern of inheritance in which one character is controlled by more than one gene.
Answer» SOLUTION :Polygenic INHERITANCE

Discussion

4682.	Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. What is the name given to the pattern of inheritance in which one gene controls more than one character?
Answer» SOLUTION :PLEIOTROPY

Discussion

4683.	Question : The shape of polypeptide is :
Answer» IMPORTANT to its function Dependent opon the PRIMARY structure Maintained by bounding between parts of the polypeptide All of these Answer :D

Discussion

4684.	Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. How does this pattern of inheritance differ from the Mendelian law of dominance?
Answer» SOLUTION :Deviation from Mendelian LAW of dominance: The trait of size of starch GRAIN SHOWS incomplete dominance.

Discussion

4685.	Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. Workout the monohybrid-cross to show the inheritance of the above characters.
Answer» SOLUTION : CORRECT monohybrid-cross as SHOWN below:

Discussion

4686.	Question : The shape of chromosomes is clearly visible at:
Answer» prophase Anaphase Metaphase TELOPHASE ANSWER :B

Discussion

4687.	Question : The sexually transmitted disease that can affect both male and female genitals and may damage the eyes of babies born of infected mother is :
Answer» AIDS Syphilis Gonorrhoea Hepatitis Answer :C

Discussion

4688.	Question : The sexual cycle of a fungi does not involve
Answer» ANSWER :C

Discussion

4689.	Question : The set of three elements included fully in micro nutrients:
Answer» NA, Cu, Mg Fe, Zn, Cu Fe, K, Ca Mn, O, P Answer :B

Discussion

4690.	Question : The sesamoid bone in the wrist is
Answer» Scaphoid Pisiform Lunate Trapezium ANSWER :B

Discussion

4691.	Question : The serum collected from rabbit containing antibodies formed against human serum is called
Answer» HUMAN ANTIBODIES SERUM Human serum Anti RABBIT serum Anti human serum ANSWER :D

Discussion

4692.	Question : The series of changes in previously barren area is called _____ succession.
Answer» ANSWER :PRIMARY

Discussion

4693.	Question : The sequences of nucleotides in yeast, a little away from the starting point, which are responsible for transcription are
Answer» TGTG AAA TAT GGG TATAAAA GAGAAAA Answer :C

Discussion

4694.	Question : The sequential, gradual and predictable changes in the species composition in an area _____
Answer» SOLUTION :ECOLOGICAL SUCCESSION

Discussion

4695.	Question : The sequences of nitrogen base in an mRNA are given below. Write down the sequence of nitrogen base in its parent double strand DNA.
Answer» Solution :TAC CTG GTC ATG AGG GAG

Discussion

4696.	Question : The sequence of structural gene in Lac operon concept is
Answer» LAC A,Lac Y,Lac Z Lac A,Lac Z,Lac Y Lac Y,Lac Z,Lac A Lac Z,Lac Y,LacA Answer :D

Discussion

4697.	Question : The sequence of nitrogen bases in a particulars region of the non-coding stand of a DNA molecule was found to be CAT GTT TAT CGC. What would be the sequence of nitrogen bases in the mRNA that is synthesized the corresponding region of the coding strand in that DNA?
Answer» CUA CAA AUA GCG GTA CAA ATA GCC CAU GUU UAU CGC CAA GAA TAU GCC Answer :C

Discussion

4698.	Question : The sequence of structural gene in lac operon concept is :
Answer» LAC A, lac Y, lac Z Lac A, lac Z , lac Y Lac Y , lac Z, lac A Lac Z , lac Y, lac A Answer :D

Discussion

4699.	Question : The sequence of origin of life may be
Answer» Inorganic MATERIALS - Organic materials `to` COLLOIDAL AGGREGATE Eobiont Cell Organic materials Inorganic materials `to`Colloidal aggregate Eobiont Cell Inorganic materials Organic materilas Eobiont cell Colloidal agreggate Organic materials Inorganic materials Eobiont cell Colloidal aggregate Answer :C

Discussion

4700.	Question : The sequence of genes In lac operon in E. coli are :
Answer» PROMOTOR-OPERATOR-STRUCTURAL genes Operator- promotor -structural genes Structural GENE - Operator -promotor Structural gene -Promotor -Operator Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

Question : The site of meiosis in higher plants -

Question : In a cereal grain the single cotylendon of embryo is represented by :

Question : The single cell protein is obtained from all,except

Question : The simplest expression of arithmetic growth is examplified by :-

Question : The single turn of DNA has_____base pairs.

Question : The similarity in anatomy of forelimbs of different organisms like man, chhetah, whale and bat explains

Question : The similarity ofbone structure in the forelimbs of many vertebrates is an example of

Question : The simple organic compounds that may have first evolved in the direction of origin are

Question : The similarity of bone structure in the forelimbs of many vertebrates is an example of

Question : The similarities in composition and structure of protoplasm, enzymes, hormones, DNA, blood etc indicates that:

Question : the silk of Bombyx mori is obtained from

Question : The significant aspect of reverse transcription is

Question : The significance of mitosis cell division is:

Question : The signals for parturition originate from :-

Question : The signal for parturition originates fromplacenta onlyplacenta as well as fully developed foetusoxytocin released from maternal pituitaryfully developed foetus only

Question : The sight of light reaction is:

Question : The side-effects of the use of anabolic steroids in males don’t include

Question : The side-effects of excessive use of anabolic steroids is/are

Question : The ship used by Charles Darwin during his sea voyages was

Question : Fill in the blanks In grafting, the rooted plant is called stock andstem cuting of donor plant is called .........

Question : The shift from grain to meat does not solve the problem of food scarity as it takes :

Question : The shifting cultivation method called jhum belongs to the category of

Question : The shift from grain to meat diets creates more demands for cereals. Why?

Question : The she of smooth muscle fibre is

Question : The sheep 'Dolly' was cloned by using somatic cells from donor's

Question : The shared terminal duct of the reproductive and urinary system in the human male is

Question : The shared terminal duct of the reproductive and urinary system in the human male is :

Question : The shape of the chromosomes vary according to the ……….. .

Question : The shared terminal duct of the reproductive and urinary system in human male is

Question : The shape of RBCs of sickle cell anaemia patients change to elongated sickle like structure. Give reason.

Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. State the pattern of inheritance in which one character is controlled by more than one gene.

Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. What is the name given to the pattern of inheritance in which one gene controls more than one character?

Question : The shape of polypeptide is :

Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. How does this pattern of inheritance differ from the Mendelian law of dominance?

Question : The shape of pea seeds and the size of starch grains in Pisum sativum show an inheritance pattern which deviates from Mendelian law of dominance. Workout the monohybrid-cross to show the inheritance of the above characters.

Question : The shape of chromosomes is clearly visible at:

Question : The sexually transmitted disease that can affect both male and female genitals and may damage the eyes of babies born of infected mother is :

Question : The sexual cycle of a fungi does not involve

Question : The set of three elements included fully in micro nutrients:

Question : The sesamoid bone in the wrist is

Question : The serum collected from rabbit containing antibodies formed against human serum is called

Question : The series of changes in previously barren area is called _____ succession.

Question : The sequences of nucleotides in yeast, a little away from the starting point, which are responsible for transcription are

Question : The sequential, gradual and predictable changes in the species composition in an area _____

Question : The sequences of nitrogen base in an mRNA are given below. Write down the sequence of nitrogen base in its parent double strand DNA.

Question : The sequence of structural gene in Lac operon concept is

Question : The sequence of nitrogen bases in a particulars region of the non-coding stand of a DNA molecule was found to be CAT GTT TAT CGC. What would be the sequence of nitrogen bases in the mRNA that is synthesized the corresponding region of the coding strand in that DNA?

Question : The sequence of structural gene in lac operon concept is :

Question : The sequence of origin of life may be

Question : The sequence of genes In lac operon in E. coli are :