22339 + Interview Questions in Biology in Class 11

1.	Question : Which is not true of prokaryotes?
Answer» They are LIVING cells They LACK a nucleus They are EITHER ARCHAEBACTERIA or eubacteria All are PARASITIC Solution :All are parasitic

Discussion

2.	Question : Which is not true for humus?
Answer» Dark coloured amorphous SUBSTANCE Highly RESISTANT to microbial action Act as RESERVOIR of nutrients and increases water holding capacity of soil They are degradation product of PROTEINS and fats are produced by the process of mineralisation Answer :D

Discussion

3.	Question : Which is not true about the cell theory?
Answer» It states that all organisms are composed of cells It states that all cells COME from pre-existing cells It states that bacteria and other small organisms canarise spontaneously It is accepted today by BIOLOGISTS as APPLYING tovirtually all forms of LIFE Solution :It states that bacteria and other small organisms canarise spontaneously

Discussion

4.	Question : Which is not true concerning the Golgi complex?
Answer» It CONSISTS of a stack of saccules Molecules are modified WITHIN the lumen of Golgisaccules LYSOSOMES are VESICLES that BIND to enter the Golgisaccules Golgi apparatus contains enzymes Solution :Lysosomes are vesicles that bind to enter the Golgisaccules

Discussion

5.	Question : Which is not true about sclereid?
Answer» These are selerenchyma cells with thickened lignified walls These are commonly found in the shells of NUTS and in the PULP of pear These are ELONGATED and flexible with tapered ends These are CALLED stone cells Answer :C

Discussion

6.	Question : Which is not the function of liver?
Answer» Production of INSULIN DETOXIFICATION Storage of GLYCOGEN Production of BILE SOLUTION :N/A

Discussion

7.	Question : Which is not related to humus formers?
Answer» They are darker in colour They feed on ORGANIC MATTER They MAKE the soil porous They are surface dwellers Solution : They make the soil porous

Discussion

8.	Question : Which is not found in gymnosperms?
Answer» HERBS SHRUBS TREES LIANAS ANSWER :A

Discussion

9.	Question : Which is not correct for sponges ?
Answer» Internal fertilization EXTERNAL fertilization GEMMULE FORMATION Gametes are formed from ARCHAEOCYTES ANSWER :B

Discussion

10.	Question : Which is not correct
Answer» Herbarium houses DRIED, PRESSED and preserved plant specimens Botanical gardens have collection of living plants for REFERENCE MUSEUM has collection of photographs of plants and animals KEY is taxonomic aid for identification of specimens Answer :C

Discussion

11.	Question : Which is not corect for sponges?
Answer» Internal fertilization External fertilization Gemmule formation GAMETES are FORMED from epidermal CELLS. Solution :External fertilization

Discussion

12.	Question : Which is not an accessory pigment?
Answer» CAROTENE Xanthophyll Chlorophyll a Chlorophyll b Solution :Chlorophylla is not an ACCESSORY PIGMENT.

Discussion

13.	Question : Which is not a unit of taxonomic category?
Answer» Series Glumaceae Class Phylum Answer :B

Discussion

14.	Question : Which is not a steroid hormone ?
Answer» ALDOSTERONE ANDROGEN ESTROGEN Thyroxine Answer :D

Discussion

15.	Question : Which is not a pyrimidine base?
Answer» Cytosine Uracil GUANINE Thymine Solution :Guanine

Discussion

16.	Question : Which is not a primary function of leaf ?
Answer» Photosynthesis Transpiration STORAGE Gas exchange Solution :Storage

Discussion

17.	Question : Which is not a part of pistil?
Answer» Style Stigma CONNECTIVE TISSUE carpel Solution :Connective tissue

Discussion

18.	Question : Which is NOT a part of intrastelar ground tissue ?
Answer» PERICYCLE MEDULLARY ray Pith Cortex Answer :D

Discussion

19.	Question : Which is not a part of five kingdom classification ?
Answer» VIRUSES MONERA PROTISTA MYCOPLASMA ANSWER :A

Discussion

20.	Question :Which is NOT a natural auxin?
Answer» IAA PAA IPA NAA SOLUTION :NAA

Discussion

21.	Question : Which is not a monocotyledon character?
Answer» ONE cotyledon Parallel venation PENTAMEROUS Fibrous ROOT SOLUTION :Pentamerous

Discussion

22.	Question : Which is not a function of stem ?
Answer» SUPPORT TRANSPORT of food Transport of WATER ABSORPTION of water Solution :Absorption of water

Discussion

23.	Question : Which of the following is not a cryptogam?
Answer» ALGAE BRYOPHYTES PTERIDOPHYTA ANGIOSPERMAE ANSWER :D

Discussion

24.	Question : Which is not a control measure to reduce particulate matter in environment ?
Answer» CYCLONIC separators Scrubbers Effluent treatment Electrostatic precipitator Answer :B

Discussion

25.	Question : Which is not a component of bacterial cell ?
Answer» MESOSOMES Glycacalyx POLYSOMES HISTONES ANSWER :D

Discussion

26.	Question : Which is not a family of gymnospermae?
Answer» Lycopodia Cycadopsida Coniferopsida Gnetopsida ANSWER :A

Discussion

27.	Question : Which is not a charaeter of root stock ?
Answer» Nodes Internodes Terminal bud ROOT CAP Solution :Root cap

Discussion

28.	Question : Which is not a characteristic of plants cell wall?
Answer» FOUND only in the sporophyte PHASE of a LIFE cycle among other compounds CONTAINS compounds builts of simple sugar may contain enzyme that are biologically active often contain strengthening polymer Answer :A

Discussion

29.	Question : Which is not a characteristic of seral stages?
Answer» Simplified FOOD chain Few and generalized niches LOW net COMMUNITY productivity (NCP) Low energy use efficiency Answer :C

Discussion

30.	Question : Which is not a characteristic of mitochondria?
Answer» Mitochondria are the SITES of CELLULAR respiration Mitochondria are FOUND in prokaryotic and eukaryoticcells Mitochondria contain DNA and ribosomes Inner space of the mitochondrion contains a FLUID matrix Solution : Mitochondria are found in prokaryotic and eukaryoticcells

Discussion

31.	Question : Which is not a characteristic of chloroplasts?
Answer» A chloroplast is surrounded by a DOUBLE membrane Chlorophyll absorbs solar energy that is USED to formchemical bonds Stacks called GRANA are linked by membranous connections Chlorophylls are found in the FLUID stroma of thechloroplast Solution :Chlorophylls are found in the fluid stroma of thechloroplast

Discussion

32.	Question : Which is not a character of stem ?
Answer» EXOGENOUS BRANCHES DESCENDING PORTION Nodes Buds Solution :Descending portion

Discussion

33.	Question : Which is not a character of bryophytes ?
Answer» Main PLANT BODY is haploid They POSSES multicellular sex organs They need WATER for sexual reproduction They POSSESS well differentiated vascular tissues Solution :They do not possess well differentiated vascular tissues.

Discussion

34.	Question : Which is nota Bryophyte ?
Answer» Hepaticopsida ANTHOCEROPSIDA Bryopsida LYCOPSIDA ANSWER :D

Discussion

35.	Question : Which is most widely accepted theory to prove Ascent of sap ? Who proposed it.
Answer» SOLUTION :Cohesion - tension THEORY or TRANSPIRATION pull theory proposed by Dixonand JOLLY (1894-1924).

Discussion

36.	Question : Which is not a basic renal function?(a) reabsorption(b) secretion(c) perfusion(d) filtration
Answer» reabsorption secretion perfusion filtration

Discussion

37.	Question : Which is living mechanical tissue?
Answer» phloem parenchyma collenchyma sclerenchyma Answer :C

Discussion

38.	Question : Which is living mechanical tissue ?
Answer» Phloem Parenchyma Collenchyma Sclerenchyma Answer :C

Discussion

39.	Question : Which is known as the respiratory rhythm centre?
Answer» cerebellum pons varoli MEDULLA OBLONGATA infundibulium Solution :medulla oblongata

Discussion

40.	Question : Which is known as liquid connective tissue?
Answer» PLASMA BLOOD SERUM LYMPH SOLUTION :blood

Discussion

41.	Question : Which is incorrect about coenzyme?
Answer» Every ENZYME is a cofactor and every cofactor is a conezyme. Every conenzyme is a cofactor but every cofactor is not a coenzyme Most of the COENZYMES are NUCLEOTIDES and are COMPOSED of vitamins Coenzymes are the active constituents of ENZYMES. Solution :(A) Every coenzyme is a cofactor and every cofactor is not a coenzyme. Most of the coenzymes are nucleotides and are composed of vitamins. Coenzymes are the active constituents of enzymes.

Discussion

42.	Question : Which is incorrect ?
Answer» Presence of non-respiratory air SACS increases efficiency OT respiration in birds In insects, CIRCULATION body fluids serve to distribute oxygen to tissues Principle of counter - current FLOW facilitates efficient respiration in gills of fishes Residual air in lungs SLIGHTLY decreases the efficiency of respiration in mammals Solution :In insects, circulation body fluids serve to distribute oxygen to tissues

Discussion

43.	Question : Which is filter feeder
Answer» Amoeba Leech Spider Paramecium Answer :D

Discussion

44.	Question : Which is false ?
Answer» Blood from right SIDE of HEART is CARRIED to lungs by pulmonary artery Pleura is double covering of kidney Pancreas is both exocrine & ENDOCRINE gland Scury is due to vitamin C deficiency Solution :Pleura is double covering of kidne

Discussion

45.	Question : Which is essential for the growth of root tip?
Answer» Zn Fe Ca Mn Answer :C

Discussion

46.	Question : Which is essential for root hair growth?
Answer» Zn Ca Mo S Answer :C

Discussion

47.	Question : Which is erythropoiesis ? Which hormone stimulate it ?
Answer» SOLUTION :Formatio of R.B.C. is CALLED erythropoiesis. It is stimulated by reythropoietin hormone SECRETED by JUXTA glomerular CELLS of kidney.

Discussion

48.	Question : Which is electron carrier common to both photosynthesis and respiration?
Answer» cytochrome phytochrome phaeophytin plastocynin Answer :A

Discussion

49.	Question : Which is different?
Answer» GASTRIN SECRETIN PTYALIN GLUCAGON SOLUTION :N/A

Discussion

50.	Question : Which is determined you parental character ? Describe about the structure.
Answer» SOLUTION :The parental characters are DETERMINED by the chromosome. The four IMPORTANT features of the chromosome are : The shape of the chromosonme is specific : The long, thin, lengthy structured chromosome CONTAINS a short, constricted region called centromere. The number of chromosomes per species is fixed : Example: MOUSE has 40 chromosomes, Onion has 16 and Human have 46, Chromosomes occur in pairs: Chromosomes of a cell occur in pairs, called homologous pairs. Each of a pair come originally from each parent. Example, human has 46 chromosomes, 23 coming originally from each parent in the process of sexual reproduction.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : Which is not true of prokaryotes?

Question : Which is not true for humus?

Question : Which is not true about the cell theory?

Question : Which is not true concerning the Golgi complex?

Question : Which is not true about sclereid?

Question : Which is not the function of liver?

Question : Which is not related to humus formers?

Question : Which is not found in gymnosperms?

Question : Which is not correct for sponges ?

Question : Which is not correct

Question : Which is not corect for sponges?

Question : Which is not an accessory pigment?

Question : Which is not a unit of taxonomic category?

Question : Which is not a steroid hormone ?

Question : Which is not a pyrimidine base?

Question : Which is not a primary function of leaf ?

Question : Which is not a part of pistil?

Question : Which is NOT a part of intrastelar ground tissue ?

Question : Which is not a part of five kingdom classification ?

Question :Which is NOT a natural auxin?

Question : Which is not a monocotyledon character?

Question : Which is not a function of stem ?

Question : Which of the following is not a cryptogam?

Question : Which is not a control measure to reduce particulate matter in environment ?

Question : Which is not a component of bacterial cell ?

Question : Which is not a family of gymnospermae?

Question : Which is not a charaeter of root stock ?

Question : Which is not a characteristic of plants cell wall?

Question : Which is not a characteristic of seral stages?

Question : Which is not a characteristic of mitochondria?

Question : Which is not a characteristic of chloroplasts?

Question : Which is not a character of stem ?

Question : Which is not a character of bryophytes ?

Question : Which is nota Bryophyte ?

Question : Which is most widely accepted theory to prove Ascent of sap ? Who proposed it.

Question : Which is not a basic renal function?(a) reabsorption(b) secretion(c) perfusion(d) filtration

Question : Which is living mechanical tissue?

Question : Which is living mechanical tissue ?

Question : Which is known as the respiratory rhythm centre?

Question : Which is known as liquid connective tissue?

Question : Which is incorrect about coenzyme?

Question : Which is incorrect ?

Question : Which is filter feeder

Question : Which is false ?

Question : Which is essential for the growth of root tip?

Question : Which is essential for root hair growth?

Question : Which is erythropoiesis ? Which hormone stimulate it ?

Question : Which is electron carrier common to both photosynthesis and respiration?

Question : Which is different?

Question : Which is determined you parental character ? Describe about the structure.