22339 + Interview Questions in Biology in Class 11 Page 275 InterviewSolution

13701.	Question : Number of base pairs present in DNA wrapped around a core of histone proteins
Answer» 200 146 154 Answer :B

Discussion

13702.	Question : Number of basal rings in gram positive bacteria______.
Answer» 2 4 6 8 Solution :2

Discussion

13703.	Question : Number of ball and socket joints present in human body is:
Answer» 2 4 5 8 Solution :4

Discussion

13704.	Question : Number of annual rings from base to apex of stem of dicot during secondary growth
Answer» Increases Decreases REMAIN same 1 and 2 Answer :B

Discussion

13705.	Question :Number and codes are assigned to all the characters and each character is given equal importance in this type of classification of plants
Answer» Numerical Taxonomy Cytotaxonomy CHEMOTAXONOMY Alpha taxonomy ANSWER :B

Discussion

13706.	Question : Number of ascospores in an asci is ……………..
Answer» 2 4 6 8 Answer :D

Discussion

13707.	Question : Nucleus with nuclear membrane is found in
Answer» Protists Plant & FUNGAL CELLS ANIMAL cells All ANSWER :D

Discussion

13708.	Question : Nucleus pulposus is found in
Answer» brain nucleus intervertebral disc liver Answer :C

Discussion

13709.	Question : Nucleus of the granulocyte is divided into many lobes so it is called
Answer» MONONUCLEAR leucocytes Polymorpho NUCLEAR leucocyte leucocytes none ANSWER :B

Discussion

13710.	Question : Nucleus is the site of
Answer» m-RNA systhesis assemblageof ribosomal units both(1) & (2) DNA andprotein synthesis Answer :B

Discussion

13711.	Question : Nucleus is often described as "cell brain" because
Answer» It is located in the CENTRE of the cell It is shaped like that of BRAIN It controls and coordinates VARIOUS metabolic activities It can DIVIDE and give rise to new nuclei Answer :C

Discussion

13712.	Question :Nucleus is commonly called directior of the cell because it controls all the cellular functions. A true nucleus is present in the eukaryotic cells. A true nucleus has four components, each of which is adapted for specific function. Answer the following questions related to a true nucleus: (i) Name four components of a true nucleus. (ii) Which of these muclear components is involved in storage of ribosomal RNA? (iii) Which of nuclear components helps in nuclear-cytoplasmic interactions?
Answer» Solution :(i) Nuclear membrane, Nucleoplasm, NUCLEOLUS and Nuclear CHROMATIN. (II) Nucleolus. (III) Nuclear membrane.

Discussion

13713.	Question : Nucleus as a cell organelle was first described by
Answer» ROBERT Hooke Robertson Rausburg Robert Brown Answer :D

Discussion

13714.	Question : Nucleotides are acidic in nature.
Answer» Solution :It is DUE to PRESENCE of NEGATIVELY charged PHOSPHATE groups.

Discussion

13715.	Question : Nucleotides are formed by
Answer» SUGAR and phosphate purine, PYRIMIDINE and phosphate purine, pyrimidine, sugar and phosphate pyrimidine, sugar and phosphate Answer :B

Discussion

13716.	Question :Nucleosome model proposed by
Answer» Du-Praw Kornberg and Thomas Sleffensen Waldeyer and Taylor Answer :B

Discussion

13717.	Question : Nucleosome is made up of
Answer» Nonhistone PROTEIN + RNA HISTONE protein and DNA Non-histone and histone protein Phospholipid and protein Answer :B

Discussion

13718.	Question : Nucleoside and Nucleotide
Answer» SOLUTION :

Discussion

13719.	Question : Nucleolus is the site for the synthesis of
Answer» Ribosome mRNA tRNA DNA Answer :A

Discussion

13720.	Question : Nucleolus is present in
Answer» CYTOPLASM NUCLEOPLASM NUCLEAR membrane cell membrane Answer :C

Discussion

13721.	Question : Nucleolus is formed by
Answer» MITOCHONDRIA NUCLEUS and Ribosome Primary constriction Secondary constriction Answer :D

Discussion

13722.	Question : Nucleolus is absent in
Answer» Bacteria Yeast MAMMALIAN RBC (1) & (3) ANSWER :D

Discussion

13723.	Question : Nucleoli were discovered by
Answer» Sutton Fontona Hertwig Watson ANSWER :B

Discussion

13724.	Question : Nucleic acids were discovered in the nuclei of
Answer» BLOOD CELLS PUS cells MERISTAMATIC cells Muscle Cells Answer :B

Discussion

13725.	Question : Nucleic acids exhibit secondary structure, justify with example.
Answer» Solution :Nucleic acids are polymeric macromolecules, which is ESSENTIAL for the origin of life. Secondary structure of a nucleic acid links one molecule or group of MOLECULES participating in the process. DNA and RNA are MAIN nucleic acids but they have difference in their secondary structures differ E.g., secondary structure of DNA two complementary poly deoxy ribose, spirally twins on common axis to FORM helical structure. This double spiral structure is stabalised by phosphodiester bond e. g. hydrogen and ionic reactions..

Discussion

13726.	Question : Nucleic acid with catalytic activity are called
Answer» APOENZYMES ABZYMES RIBOZYMES Isozymes Answer :C

Discussion

13727.	Question : Ribosomal Rna and other cell organelles are present in - stage of R.B.C.
Answer» RETICULAR cell Erythrocyte Reticulocyte All the above ANSWER :C

Discussion

13728.	Question : Nucleated part of phloem is
Answer» PHLOEM fibre companion cell sieve element all of the above Answer :B

Discussion

13729.	Question : Nucleated RBC is found in:
Answer» Man Rat Rabbit Frog Answer :D

Discussion

13730.	Question : Nuclear pores are guarded by:
Answer» DNA Annulus Protein None Answer :B

Discussion

13731.	Question : Nucellar polyembryony is reported in species
Answer» Citrus Gossypium Triticum Brassica ANSWER :A

Discussion

13732.	Question : Now-a-days, water scarcity is becoming a prime problem. To compensate the need, various strategiesare being carried out by the Governments at national and international levels. One such effective technology is Desalination of sea water. Which principle is followed in their technology. Define it.
Answer» SOLUTION :Desalination of SEA water is being effectivelycarried out by the Reverse Osmosis. In Reverse osmosis, the water molecules are forced by applying pressure from LOWER concentration to HIGHER concentration through a selectivelypermeable MEMBRANE .

Discussion

13733.	Question : Notochord is present only in larvaltail in
Answer» cephalochordates ECHINODERMS URCHORDATES VERTEBRATES Answer :C

Discussion

13734.	Question : Notochord is persistent throughout life in
Answer» LANCELETS FISHES TUNICATES FROGS ANSWER :A

Discussion

13735.	Question : Notochord is derived from
Answer» mesoderm endoderm ectoderm all of these Answer :A

Discussion

13736.	Question : Note the relationship between the first two words and suggest suitable words for the fourth place. Homo sapiens: men Musca domestica: ................
Answer» SOLUTION :HOUSEFLY

Discussion

13737.	Question : Note the relationship between the first two words and suggest suitable words for the fourth place. Collection of living: Botanical garden Animals kept in protected enviroment: ..................
Answer» SOLUTION :ZOOLOGICAL PARK

Discussion

13738.	Question : Note the following {:((A),"Monocytes",(B),"Trophocytes"),((C),"Lymphocytes",(D),"Mycetocytes"),((G),"Urate cells",,):} Which of above are fat cell in Perplanata
Answer» A, C, E and H B, D, F and G C, E,F and G A, C, E and F Answer :B

Discussion

13739.	Question : Note the following tissues 1) Epithelial 2) Muscular 3) Connective 4) Neural In the above human heart consists of how many tissues?
Answer» 2 4 1 3 Answer :B

Discussion

13740.	Question :Note the followingA) SCID B) Grave's disease C) Rheumatoid arthritis D) Alzehimer's disease E) Myasthenia gravis F) Addison's disease G) Parkinson's diseaseWhich of the above are auto immune disorders
Answer» B, C, E&F A, D, F & G B, E, F & G A, B, C & D ANSWER :A

Discussion

13741.	Question : Nostoc and Anabaena have specialised cells called hetercysts. What is the function of these cells?
Answer» SOLUTION :HELP in NITROGEN FIXATION.

Discussion

13742.	Question : Normal cell have genes called .....A...... which are present in inactivated state but under certain conditions like ....B...... they get transformed to .....C.... Here A, B and C refers to
Answer» A-cellular ONCOGENES, B-mutation, C-cancer CAUSING oncogenes A-proto-oncogenes, B-mutation, C-disease causing genes A-viral oncogenes, B-mutation, C-tumour causing genes None of the above Answer :A

Discussion

13743.	Question : Normal glucose level in blood is
Answer» `150-180` mg//100 ML BLOOD `80-100` mg//100 ml blood `30-70` mg//10ml blood `220-250` mg//100 ml blood Answer :B

Discussion

13744.	Question : Nonprotein constituents called cofactors are bound to the enzyme to make the enzyme catalytically active: Mention any two kinds of conductors with examples?
Answer» Solution :(i) Prosthetic GROUP e.g. HAEM (II) Co-enzyme e.g. NAD,NADP,FAD,FADAP

Discussion

13745.	Question : Nonprotein constituents called cofactors are bound to the enzyme to make the enzyme catalytically active: Name the protein portion of the enzyme
Answer» SOLUTION :APOENZYME

Discussion

13746.	Question : Nonprotein constituents called cofactors are bound to the enzyme to make the enzyme catalytically active: What happens to the catalytic activity when the conductor is removed from the enzyme?
Answer» SOLUTION :CATALYTIC ACTIVITY DECREASES

Discussion

13747.	Question : Nonmyelinated nerve fibre , saltatory conduction , node of Ranvier , myelin sheath
Answer» ANSWER :NON myelinated NERVE FIBRE

Discussion

13748.	Question : Nonmotile male gametes are found in :
Answer» PINUS, Ephedra Dicots, monocots Red algae All of these Answer :D

Discussion

13749.	Question : Nonchordates having mesodermalendoskeleton are
Answer» MOLLUSCS ARTHROPODS ANNELIDS ECHINODERMS ANSWER :D

Discussion

13750.	Question : Non-vascular embryophyte with leaves is
Answer» RICCIA Porella Selaginella Macrocystis ANSWER :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Number of base pairs present in DNA wrapped around a core of histone proteins

Question : Number of basal rings in gram positive bacteria______.

Question : Number of ball and socket joints present in human body is:

Question : Number of annual rings from base to apex of stem of dicot during secondary growth

Question :Number and codes are assigned to all the characters and each character is given equal importance in this type of classification of plants

Question : Number of ascospores in an asci is ……………..

Question : Nucleus with nuclear membrane is found in

Question : Nucleus pulposus is found in

Question : Nucleus of the granulocyte is divided into many lobes so it is called

Question : Nucleus is the site of

Question : Nucleus is often described as "cell brain" because

Question : Nucleus as a cell organelle was first described by

Question : Nucleotides are acidic in nature.

Question : Nucleotides are formed by

Question :Nucleosome model proposed by

Question : Nucleosome is made up of

Question : Nucleoside and Nucleotide

Question : Nucleolus is the site for the synthesis of

Question : Nucleolus is present in

Question : Nucleolus is formed by

Question : Nucleolus is absent in

Question : Nucleoli were discovered by

Question : Nucleic acids were discovered in the nuclei of

Question : Nucleic acids exhibit secondary structure, justify with example.

Question : Nucleic acid with catalytic activity are called

Question : Ribosomal Rna and other cell organelles are present in - stage of R.B.C.

Question : Nucleated part of phloem is

Question : Nucleated RBC is found in:

Question : Nuclear pores are guarded by:

Question : Nucellar polyembryony is reported in species

Question : Notochord is present only in larvaltail in

Question : Notochord is persistent throughout life in

Question : Notochord is derived from

Question : Note the relationship between the first two words and suggest suitable words for the fourth place. Homo sapiens: men Musca domestica: ................

Question : Note the relationship between the first two words and suggest suitable words for the fourth place. Collection of living: Botanical garden Animals kept in protected enviroment: ..................

Question : Note the following {:((A),"Monocytes",(B),"Trophocytes"),((C),"Lymphocytes",(D),"Mycetocytes"),((G),"Urate cells",,):} Which of above are fat cell in Perplanata

Question : Note the following tissues 1) Epithelial 2) Muscular 3) Connective 4) Neural In the above human heart consists of how many tissues?

Question :Note the followingA) SCID B) Grave's disease C) Rheumatoid arthritis D) Alzehimer's disease E) Myasthenia gravis F) Addison's disease G) Parkinson's diseaseWhich of the above are auto immune disorders

Question : Nostoc and Anabaena have specialised cells called hetercysts. What is the function of these cells?

Question : Normal cell have genes called .....A...... which are present in inactivated state but under certain conditions like ....B...... they get transformed to .....C.... Here A, B and C refers to

Question : Normal glucose level in blood is

Question : Nonprotein constituents called cofactors are bound to the enzyme to make the enzyme catalytically active: Mention any two kinds of conductors with examples?

Question : Nonprotein constituents called cofactors are bound to the enzyme to make the enzyme catalytically active: Name the protein portion of the enzyme

Question : Nonprotein constituents called cofactors are bound to the enzyme to make the enzyme catalytically active: What happens to the catalytic activity when the conductor is removed from the enzyme?

Question : Nonmyelinated nerve fibre , saltatory conduction , node of Ranvier , myelin sheath

Question : Nonmotile male gametes are found in :

Question : Nonchordates having mesodermalendoskeleton are

Question : Non-vascular embryophyte with leaves is