22339 + Interview Questions in Biology in Class 11

1.	Question : Name the structure in leaflet of Cycas, which performs the function of lateral vein.
Answer» SOLUTION :TRANS FUSION TISSUE.

Discussion

2.	Question : Name the strains used in Gram staining procedure.
Answer» SOLUTION :CRYSTAL VIOLET and SAFRANIN.

Discussion

3.	Question : Name the stage of the cell cycle at which, each one of the following events occur : Pairing between homologous chromosomes takes place.
Answer» SOLUTION :ZYGOTENE.

Discussion

4.	Question : Name the stage of cell cycle at which one of the following events occur Pairing between homologous chromosomes takes place.
Answer» SOLUTION :ZYGOTENE

Discussion

5.	Question : Name the stage of cell cycle at which one of the following events occur Crossing over between homologous chromosomes takes place
Answer» SOLUTION :PACHYTENE

Discussion

6.	Question : Name the stage of cell cycle at which one of the following events occur : (i) Chromosomes are moved to spindle equator. (ii) Centromere splits and chromatids separate. (iii) Pairing between homologous chromosomes 'takes place. (iv) Crossing over between homologous chromosomes takes place.
Answer» SOLUTION :(i) METAPHASE (II) Anaphase (iii) Metaphase of Meiosis - I (iv) PROPHASE of Meiosis - I

Discussion

7.	Question : Name the stage of cell cycle at which one of the following events occur Chromosomes are moved to spindle equator.
Answer» SOLUTION :ANAPHASE I

Discussion

8.	Question : Name the spherical structures foundin the inner surface of lamellar membrane :
Answer» Quantasomes Stroma Granum Thylakoid Answer :a

Discussion

9.	Question : Name the stage of cell cycle at which one of the following events occur Centromere splits and chromatids separate.
Answer» SOLUTION : ANAPHASE II

Discussion

10.	Question : Name the specialised connective tissue.
Answer» SOLUTION :CARTILAGE, BONES and BLOOD.

Discussion

11.	Question : Name the special structures in deuteromycetes that produces conidia.
Answer» SOLUTION :Pycnidium , ACERVULUS, sporodochium and synnemata.

Discussion

12.	Question : Name the special structures by which lichens reproduces.
Answer» SOLUTION :SOREDIA.

Discussion

13.	Question : Name the smallest blood vessel.
Answer» SOLUTION :CAPILLARIES

Discussion

14.	Question : Name the smallest bones in the body.
Answer» Solution :3 EAR osssicles or bones MALLEUS, INCUS and STAPES.

Discussion

15.	Question : Name the smallest angiosperm.
Answer» ANSWER :Wolffia

Discussion

16.	Question : Name the site (s) of pyruvate synthesis. Also, write the chemicalreaction whereinpyruvic acid dehydrogenaseacts as a catalyst.
Answer» Solution :Pyruvate is made at the end of Glycolysis . Two molecules of pyruvate are FORMED from molecule of Glucose. Pyruvic acid dehydrogenase forms Acetyl CoA frompyruvic acid. For that`NAD^(+)`coenzyme Aand `Mg^(+2)` are necessary . Equation : Pyruvic acid `+ CoA+ NAD + underset("Pyruvate dehydrogenase ")overset (MG^(+2))to "Acetyl "CoA + NADH + H^(+) + CO_(2) uarr`

Discussion

17.	Question : Name the sensory organs of arthropods?
Answer» SOLUTION :ANTENNAE, Simple and COMPOUND EYES , statocysts .

Discussion

18.	Question : Name the scientists who proposed cell theory. Also list its main postulates.
Answer» SOLUTION :By Schleiden & Schwann – All living organisms are COMPOSED of cell and PRODUCTS of cell. – All CELLS arise from pre–existing cells (by Virchow)

Discussion

19.	Question : Name the scientists who postulated the cell theory.
Answer» SOLUTION :MATTHIAS Jakob Schleiden and THEODORE SCHWANN.

Discussion

20.	Question : Name the scientists who discovered sexual reproduction inbacteria.
Answer» SOLUTION :Joshua Lederberg and EDWARD L. Tatum (1946) in E. COLI.

Discussion

21.	Question : Name the scientists who discovered HMP shunt. Also expand the term HMP shunt.
Answer» Solution :HMP shunt refers to Hexose Monophosphate shunt which was DISCOVERED by WARBURG. Dickens and LIPMANN.

Discussion

22.	Question : Name the scientists who developed electron microscope.
Answer» SOLUTION :M. KNOLL and E. RUSKA.

Discussion

23.	Question : Name the scientist who proposed the fluid mosaic model about the structure of plasma membrane. Describe the stucture of plasma membrane according to the model.
Answer» SOLUTION :Singer and Nicolson Lipidbilayer (POLAR head and HYDROPHOBIC tail) Protein - integral and peripheral PHOSPHOGLYCERIDES

Discussion

24.	Question : Name the scientists who proposed the cell theory.
Answer» MATTHIAS SCHLEIDEN and THEODOR SCHWANN. Solution :Matthias Schleiden and Theodor Schwann.

Discussion

25.	Question : Name the scientist who proposed the C_4pathway. Name one such plants.
Answer» SOLUTION :HATCH and SLACK. MAIZE and SORGHUM.

Discussion

26.	Question : Name the scientist who introduced the term protoplasm.
Answer» SOLUTION : J. E. PURKINJE.

Discussion

27.	Question : Name the scientist who are credited with cell theory.
Answer» SOLUTION :SCHLEIDEN and SCHWANN.

Discussion

28.	Question : Name the scientist associated with cohesion-tension theory
Answer» SOLUTION :Henry H. Dixon and John H. JOLLY

Discussion

29.	Question : Name the scientist who coined the term 'chromosome'.
Answer» SOLUTION : W. WALDEYER.

Discussion

30.	Question : Namethe respiratorysurfacein the human lung .
Answer» SOLUTION :ALVEOLI.

Discussion

31.	Question : Name the ring of hygroscopic tooth-like structures encirclingthe mouth of the capsule of mosses.
Answer» SOLUTION :PERISTOME

Discussion

32.	Question : Name the roots that arise from any other plant part except the radicle.
Answer» SOLUTION :ADVENTITIOUS ROOTS.

Discussion

33.	Question : Name the respiratory pigments of annelids?
Answer» SOLUTION :HAEMOGLOBIN and CHLOROCRUORIN.

Discussion

34.	Question : Name the respiratory pigment of molluscs.
Answer» SOLUTION :HAEMOCYANIN, a COPPER CONTAINING PIGMENT.

Discussion

35.	Question : Name the respiratory organs of cockroach.
Answer» SOLUTION :TRACHEAE

Discussion

36.	Question : Name the respiratory organs of flatworm,earthworm, fish, prawn, cockroach and cat.
Answer» SOLUTION :Flatworm-Body SURFACE Earthworm-Moist SKIN Fish-Gills Prawn-Gills Cockroach-Trachea Cat-Lungs

Discussion

37.	Question : Name the region of lungs where exchange of gases occurs.
Answer» ANSWER :ALVEOLI SACS

Discussion

38.	Question : Name the region of light carotenoids absorption.
Answer» SOLUTION :Blue-violet REGION of LIGHT.

Discussion

39.	Question : Name the region of brain, which constitutes ‘brainstem’.
Answer» SOLUTION :Mid brain, HIND brain (PONS, MEDULLA oblongata)

Discussion

40.	Question : Name the reactant used and products formed during oxidation of pyruvic acid.
Answer» Solution :`{:("Reactants used", "Products FORMED"),("1 mol. of phyruvic ACID", "1 mol. of acetyl CoA"),("1 mol. of COENZYME A", 1 H^(+)),(1 NAD^(+),1 NADH^(+)),(,1 CO_(2)):}`

Discussion

41.	Question : Name the pyrimidines found in DNA.
Answer» SOLUTION :THYMINE and CYTOSINE are pyrimides in DNA.

Discussion

42.	Question : Name the proteins present in the blood that play important part in clotting of blood.
Answer» SOLUTION :PROTHROMBIN and FIBRINOGEN.

Discussion

43.	Question : Name the protozoan which inhabits the intestine of termites.
Answer» SOLUTION :Trichonymph

Discussion

44.	Question : Namethe proteins which regulates the contraction of muscles .
Answer» SOLUTION :ACTIN , MYOSIN, TROPOMYOSIN and TROPONIN .

Discussion

45.	Question : Name the proteins present in muscles .
Answer» SOLUTION :ACTIN and MYOSIN.

Discussion

46.	Question : Name the proteins associated with locomotory and skeletal orgenelles of a cell.
Answer» SOLUTION :Tubulin, dynein and nexin are PROTEINS if cilia and flagella , tubulin of microtubules , actin and myosin of microfilaments , Keratin, desmin, vimentin, `NF_(i)`, `NF_(m)`, `NF_(h)` and glial fibrilary acid protein (GFAP) of intermediate FILAMENTS.

Discussion

47.	Question : Name the proteins involved in the activation of genes & their proteins to performs cell division.
Answer» SOLUTION :KINASES & CYCLINS.

Discussion

48.	Question : Name the protein which form the intercellular ground substance.
Answer» ANSWER :COLLAGEN.

Discussion

49.	Question : Name the protein present in the flagella of bacteria.
Answer» SOLUTION :FLAGELLIN

Discussion

50.	Question :Name the protein found in A-band and l-band of a myofibril.
Answer» SOLUTION :MYOSIN and ACTIN PROTEINS RESPECTIVELY.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : Name the structure in leaflet of Cycas, which performs the function of lateral vein.

Question : Name the strains used in Gram staining procedure.

Question : Name the stage of the cell cycle at which, each one of the following events occur : Pairing between homologous chromosomes takes place.

Question : Name the stage of cell cycle at which one of the following events occur Pairing between homologous chromosomes takes place.

Question : Name the stage of cell cycle at which one of the following events occur Crossing over between homologous chromosomes takes place

Question : Name the stage of cell cycle at which one of the following events occur Chromosomes are moved to spindle equator.

Question : Name the spherical structures foundin the inner surface of lamellar membrane :

Question : Name the stage of cell cycle at which one of the following events occur Centromere splits and chromatids separate.

Question : Name the specialised connective tissue.

Question : Name the special structures in deuteromycetes that produces conidia.

Question : Name the special structures by which lichens reproduces.

Question : Name the smallest blood vessel.

Question : Name the smallest bones in the body.

Question : Name the smallest angiosperm.

Question : Name the site (s) of pyruvate synthesis. Also, write the chemicalreaction whereinpyruvic acid dehydrogenaseacts as a catalyst.

Question : Name the sensory organs of arthropods?

Question : Name the scientists who proposed cell theory. Also list its main postulates.

Question : Name the scientists who postulated the cell theory.

Question : Name the scientists who discovered sexual reproduction inbacteria.

Question : Name the scientists who discovered HMP shunt. Also expand the term HMP shunt.

Question : Name the scientists who developed electron microscope.

Question : Name the scientist who proposed the fluid mosaic model about the structure of plasma membrane. Describe the stucture of plasma membrane according to the model.

Question : Name the scientists who proposed the cell theory.

Question : Name the scientist who proposed the C_4pathway. Name one such plants.

Question : Name the scientist who introduced the term protoplasm.

Question : Name the scientist who are credited with cell theory.

Question : Name the scientist associated with cohesion-tension theory

Question : Name the scientist who coined the term 'chromosome'.

Question : Namethe respiratorysurfacein the human lung .

Question : Name the ring of hygroscopic tooth-like structures encirclingthe mouth of the capsule of mosses.

Question : Name the roots that arise from any other plant part except the radicle.

Question : Name the respiratory pigments of annelids?

Question : Name the respiratory pigment of molluscs.

Question : Name the respiratory organs of cockroach.

Question : Name the respiratory organs of flatworm,earthworm, fish, prawn, cockroach and cat.

Question : Name the region of lungs where exchange of gases occurs.

Question : Name the region of light carotenoids absorption.

Question : Name the region of brain, which constitutes ‘brainstem’.

Question : Name the reactant used and products formed during oxidation of pyruvic acid.

Question : Name the pyrimidines found in DNA.

Question : Name the proteins present in the blood that play important part in clotting of blood.

Question : Name the protozoan which inhabits the intestine of termites.

Question : Namethe proteins which regulates the contraction of muscles .

Question : Name the proteins present in muscles .

Question : Name the proteins associated with locomotory and skeletal orgenelles of a cell.

Question : Name the proteins involved in the activation of genes & their proteins to performs cell division.

Question : Name the protein which form the intercellular ground substance.

Question : Name the protein present in the flagella of bacteria.

Question :Name the protein found in A-band and l-band of a myofibril.