22339 + Interview Questions in Biology in Class 11 Page 257 InterviewSolution

12801.	Question : Protozoans are single-celled animals.
Answer» ANSWER :F

Discussion

12802.	Question : Protoxylem lacuna are present in the vascular bundles of
Answer» MONOCOT STEM DICOT stem Monocot ROOT Dicot root ANSWER :A

Discussion

12803.	Question : Protoxylem is the first formed xylem. If the protoxylem lies next to phloem what kind of arrangement of xylem would you call it ?
Answer» Solution :Protoxylem is located after phloem which is produced from primary meristematic tissue. The arrangement of xylem in this CONDITION is CALLED EXARCH. It is SEEN in roots.

Discussion

12804.	Question : Protoxylem is the first formed Xylem. If the protoxylem is surrounded by phloem what kind of arrangement of xylem would you call it ? Give an example.
Answer» Solution :If the protoxylem is surrounded by phloem the VASCULAR BUNDLE is said to concentric and amphicribral. EXAMPLE : FERNS.

Discussion

12805.	Question : Protostomes development includes all of the followingexcept :
Answer» spiral cleavage daughter cells SIT in grooves formed by prior cleavage cell FATE is fixed and can DEVELOP in only ONE WAY radial cleavage Solution :radial cleavage

Discussion

12806.	Question : Protoplasmic astocytes are found in
Answer» Grey matter WHITE matter Grey and white matter Protoplasma of NEURONS ORGAN and Organ SYSTEM Answer :A

Discussion

12807.	Question : Protoplasm is made of ..... of water.
Answer» 80-90% 85-90% 60-80% 75-85% ANSWER :C

Discussion

12808.	Question : Protonephridia are the excretory structures present in ………………… .
Answer» PLANARIA ROUNDWORM TAPEWORM PRAWN SOLUTION :Planaria

Discussion

12809.	Question : Protonema stage occurs when
Answer» SPORE of BRYOPHYTES germinate seed germinates spore of FERNS germinate none of the above Answer :(a)

Discussion

12810.	Question : Pronotum, mesothorax, metathorax, coxa.
Answer» Solution :(a - iii), (b - IV), (c - v), (d - ii), (e - i), (f - VII), (g-vi)

Discussion

12811.	Question : Protonema is
Answer» HAPLOID ND is FOUND in MOSSES Diploid and is found in liverworts Diploid and is found in pteridophytes Haploid and is found in pteridophytes Solution :Portonema is haploid STRUCTURE and is found in mosses.

Discussion

12812.	Question : Protoderm gives rise to ............. .
Answer» ANSWER :EPIDERMIS

Discussion

12813.	Question : Protoderm gives rise
Answer» ENDODERMIS EPIDERMIS PERIDERM Cortex Answer :B

Discussion

12814.	Question : Protochordatesare exclusively
Answer» freshwater MARINE both (1) and (2) TERRESTRIAL Answer :B

Discussion

12815.	Question : Protists which are diploid reproduce sexually by the process of
Answer» ZYGOTIC MEIOSIS Cyst formation Binary FISSION Gametic meiosis ANSWER :D

Discussion

12816.	Question : Protists that form plasmodium are
Answer» EUGLENOIDS SLIME moulds Protozoans DIATOMS ANSWER :B

Discussion

12817.	Question : Protists having noncontractile pusule are
Answer» ciliates dinoflagellates SPOROZOANS EUGLENOIDS ANSWER :D

Discussion

12818.	Question : Prothorax contain which of the following components
Answer» FOREWINGS First pair of THORACIC spiracles Prolegs All ANSWER :C

Discussion

12819.	Question : Prothallus of fern has
Answer» ANTHERIDIA and ARCHEGONIA on LOWER SURFACE Antheridia and archegonia on UPPER surface Antherida on upper surface and archegonia on lower surface Antheridia on lower surface and archegonia on upper surface. Answer :A

Discussion

12820.	Question : Prothallus of ferm produces
Answer» GAMETES Spores Both A and B None of the above Solution :PROTHALLUS offern PRODUCES gametes.

Discussion

12821.	Question : Prothallus of fern in haploid / diploid .
Answer» ANSWER :HAPLOID

Discussion

12822.	Question : Prothallus is
Answer» a structured in PTERODOPHYTES formed before the THALLUS develops a sporophytic inconspicuous free living structure formed in pterodophytes a GAMETOPHYTES inconspicuous free living structure formed in pteridophytes a gametophytic conspicuous structure formed after fertilization in pteridophytes Solution :A PROTHALLUS is gametophytic inconspicuous free living structure formed in pteridophytes.

Discussion

12823.	Question : Prothallus in ferns is a ……..... structure.
Answer» SOLUTION :GAMETOPHYTIC

Discussion

12824.	Question : Proteins perform many physological functions. For example, some proteins function as enzymes. One of the following represents an additional function that some proteins perform
Answer» antibiotics pigment conferring COLOUR to skin pigment making colurs of flowers hormones Solution :Most of the body functions are regulated by hormones like growth, vegetative and sexual DEVELOPMENT, thermal regulation, CELLULAR oxidation, metabolism of carbohydrates, proteins, FATS, etc. Hormones are needed in very small quantity to carry out these functions. Some hormones are proteinaceous, e.g., insulin (regulates sugar metabolism), growth hormone of pituitary, parathyride hormone parathormone (regulates CALCIUM and phosphate transport).

Discussion

12825.	Question : Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge :
Answer» ANTIBIOTICS PIGMENT conferring colour to skin Pigments MAKING COLOURS of flowers Hormones Solution :Hormones

Discussion

12826.	Question : Proteins perform many physiological functions. For example, some functions as enzymes. One of the following represents an additional function that some proteins discharge
Answer» ANTIBIOTICS Pigment conferring COLOUR to skin Pigments making colours of flowers Hormones Solution :Some protein ALSO ACT as hormones e.g. INSULIN, growth hormone.

Discussion

12827.	Question : Proteins have primary structure. If you are given a method to know which amino acid is at either of the two terminal (ends) of a protein, can you connect this information to purity or homegeneity of a protein?
Answer» SOLUTION :Yes. The proper TERMINAL amino ACID methods would CONTRIBUTE specific evidence to provide information on PURITY or homogeneity of a protein.

Discussion

12828.	Question : Proteins have primary structure. If you are given a method to know which amino acid is at either of the two termini (ends) of a protein, can you connect this information to purity or homogeneity of a protein ?
Answer» SOLUTION :If there is one type of AMINO ACID at both termini then it is homopolymer and it can not be a pure protein when there are different amino acids on both termini then it is pure protein as protein are heteropolymer. This property of protein is because of presence of 21 TYPES of amino acids.

Discussion

12829.	Question : Proteinaceous disc shaped structures associated with centromere of a chromosome are
Answer» KINETOCHORES Histones Nucleoproteins TELOMERES ANSWER :A

Discussion

12830.	Question : Protein synthesiscan occurin
Answer» CELL MEMBRANE nuclear membrane RIBOSOMES MITOCHONDRIA SOLUTION :ribosomes

Discussion

12831.	Question : Protein synthesis does not occur in theaxon because
Answer» CYTOPLASM is absent SER is absent NISSL granules are absent it is efferent FIBRE Answer :C

Discussion

12832.	Question : Protein synthesis in an animal cell occurs
Answer» Only on the ribosomes PRESENT in cytosol On ribosomes present in cytoplasm as well as in mitochondria Only on ribosomes ATTACHED to the NUCLEAR envelope and endoplasmic reticulum On ribosomes present in the NUCLEOLUS as well as in cytoplasm. ANSWER :C

Discussion

12833.	Question : Protein rich edible fruiting bodies are produced by
Answer» Puccinia Saccharomyces Agaricus Penicillium Answer :C

Discussion

12834.	Question : Protein rich alga is :
Answer» Protosiphon Porophyridium GELIDIUM SPIRULINA ANSWER :D

Discussion

12835.	Question : protein : peptide bonds :: polysaccharide : ……………..
Answer» SOLUTION :GLYCOSIDIC BONDS

Discussion

12836.	Question : Protein molecules of larger size can pass through the lymph vessel? Give reason.
Answer» Solution :1. Lymphatic capillaries have greater permeability than BLOOD capillaries and can absorb LARGE molecules such as proteins and lipids. 2. The endothelial cells on the WALL of the lymphatic capillary lack basement membrane and are loosely attached to each other which makes the wall more permeable.

Discussion

12837.	Question : _____protein induces the break down of cohesion proteins leading to chromatid separation during mitosis.
Answer» APC MPF Cyclins Kinetochore Solution :APC

Discussion

12838.	Question : Protein free fluid is filtered from blood plasma into the Bownman's capsule.
Answer» ANSWER :T

Discussion

12839.	Question : Protein-free fluid is filtered from blood plasma into the Bowman’s capsule
Answer» ANSWER :TRUE

Discussion

12840.	Question : Protein digesting other proteins belongs to IUB class
Answer» OXIDOREDUCTASE Transferases Hydrolases Isomerases Answer :C

Discussion

12841.	Question : Protein / enzyme is absent in …………. .
Answer» SALIVA Bile Pancreatic JUICE INTESTINAL juice SOLUTION :N/A

Discussion

12842.	Question : ____Protein acts as major check point in G_(1) phase.
Answer» Porins Kinases CYCLINS Ligases Solution :Cyclins

Discussion

12843.	Question : Protein coated fat globules are called ………….
Answer» MICELLES villi microvilli CHYLOMICRONS SOLUTION :N/A

Discussion

12844.	Question : ____protects the end of the chromosomes from damage.
Answer» Satellite Kinetochore Primary constriction TELOMERE Solution :Telomere

Discussion

12845.	Question : Prostomium :
Answer» Solution :Anterior end of earthworm CONSISTS of MOUTH and prostomium, a LOBE which serves as a covering for the mouth.

Discussion

12846.	Question : Propterty of stem cells to differentiate into germ layers __________ .
Answer» SOLUTION :PLURIPOTENCY

Discussion

12847.	Question : Prophase of Mitosis and Prophase of Meiosis .
Answer» SOLUTION :

Discussion

12848.	Question : Prophase of the first meiotic division is typically longer on complex. It is subdivided into 5 phases , leptotene, zygotene, pachytene,diplotene and diakinesis. Which of the following statements is not correct of these phases ?
Answer» The formation of synaptonemal complex is SEEN during zygotene stage The stage of PACHYTENE is characterised by appearance of RECOMBINATION nodules Diplotene stage is MARKED by terminalisation of chiasmata The compaction of chromosomes continues throughout the leptotene Answer :c

Discussion

12849.	Question : Propionic bacteria is an important source of
Answer» Cobalamin Vitamin C TSH Interferon Answer :A

Discussion

12850.	Question :Property of the cancer cells to move to other parts of the body is called
Answer» METAMORPHOSIS Metastasis Morphogenesis METAGENESIS ANSWER :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Protozoans are single-celled animals.

Question : Protoxylem lacuna are present in the vascular bundles of

Question : Protoxylem is the first formed xylem. If the protoxylem lies next to phloem what kind of arrangement of xylem would you call it ?

Question : Protoxylem is the first formed Xylem. If the protoxylem is surrounded by phloem what kind of arrangement of xylem would you call it ? Give an example.

Question : Protostomes development includes all of the followingexcept :

Question : Protoplasmic astocytes are found in

Question : Protoplasm is made of ..... of water.

Question : Protonephridia are the excretory structures present in ………………… .

Question : Protonema stage occurs when

Question : Pronotum, mesothorax, metathorax, coxa.

Question : Protonema is

Question : Protoderm gives rise to ............. .

Question : Protoderm gives rise

Question : Protochordatesare exclusively

Question : Protists which are diploid reproduce sexually by the process of

Question : Protists that form plasmodium are

Question : Protists having noncontractile pusule are

Question : Prothorax contain which of the following components

Question : Prothallus of fern has

Question : Prothallus of ferm produces

Question : Prothallus of fern in haploid / diploid .

Question : Prothallus is

Question : Prothallus in ferns is a ……..... structure.

Question : Proteins perform many physological functions. For example, some proteins function as enzymes. One of the following represents an additional function that some proteins perform

Question : Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge :

Question : Proteins perform many physiological functions. For example, some functions as enzymes. One of the following represents an additional function that some proteins discharge

Question : Proteins have primary structure. If you are given a method to know which amino acid is at either of the two terminal (ends) of a protein, can you connect this information to purity or homegeneity of a protein?

Question : Proteins have primary structure. If you are given a method to know which amino acid is at either of the two termini (ends) of a protein, can you connect this information to purity or homogeneity of a protein ?

Question : Proteinaceous disc shaped structures associated with centromere of a chromosome are

Question : Protein synthesiscan occurin

Question : Protein synthesis does not occur in theaxon because

Question : Protein synthesis in an animal cell occurs

Question : Protein rich edible fruiting bodies are produced by

Question : Protein rich alga is :

Question : protein : peptide bonds :: polysaccharide : ……………..

Question : Protein molecules of larger size can pass through the lymph vessel? Give reason.

Question : _____protein induces the break down of cohesion proteins leading to chromatid separation during mitosis.

Question : Protein free fluid is filtered from blood plasma into the Bownman's capsule.

Question : Protein-free fluid is filtered from blood plasma into the Bowman’s capsule

Question : Protein digesting other proteins belongs to IUB class

Question : Protein / enzyme is absent in …………. .

Question : ____Protein acts as major check point in G_(1) phase.

Question : Protein coated fat globules are called ………….

Question : ____protects the end of the chromosomes from damage.

Question : Prostomium :

Question : Propterty of stem cells to differentiate into germ layers __________ .

Question : Prophase of Mitosis and Prophase of Meiosis .

Question : Prophase of the first meiotic division is typically longer on complex. It is subdivided into 5 phases , leptotene, zygotene, pachytene,diplotene and diakinesis. Which of the following statements is not correct of these phases ?

Question : Propionic bacteria is an important source of

Question :Property of the cancer cells to move to other parts of the body is called