22339 + Interview Questions in Biology in Class 11

1.	Question : How are archae - bacteria different from other bacteria?
Answer» DIFFERENT cell wall STRUCTURE in terms of their genetic MATERIAL contains 80S Ribosomes All of these ANSWER :A

Discussion

2.	Question :Arachis hypogaea (ground nut) belongs to the family :
Answer» BRASSICACEAE FABACEAE SOLANACEAE LILIACEAE SOLUTION :Fabaceae

Discussion

3.	Question : Archaebacteria are considered to be ancient bacteria because they are
Answer» autotrophs heterotrophs able to SURVIVE in EXTREME conditions unicellular

Discussion

4.	Question : Aqueous humour is present between the :
Answer» CORNEA and LENS lens and retina cornea and iris iris and lens

Discussion

5.	Question : Aqueous and vitreous humor are divided by
Answer» lens iris retina optic NERVE

Discussion

6.	Question : Aqueduct of sylvius (iter) connects
Answer» `1^(ST)` and `2 ^(nd)` ventricles `3^(RD)` and `4^(TH)` ventricles `2^(nd)` and `3^(rd)` ventricles `4^(th)` and `1^(st)` ventricles Answer :B

Discussion

7.	Question : Aquatic weed Salvinia, also called the sorrow of Kashmir, is
Answer» Heterosporous WATER fern Homosporous water fern Memberof BRYOPHYTE Both (1) and (3) Answer :A

Discussion

8.	Question : Aquatic mammals do not produce milk.
Answer» ANSWER :FALSE

Discussion

9.	Question : Aquatic plants usually have a well-developed :
Answer» VASCULAR SYSTEM stomatal system root system AERENCHYMA system Solution :aerenchyma system

Discussion

10.	Question : Aquatic fern is used to increase the yield in paddy crop
Answer» Azolla Salvinia Marsilea Isoetes Answer :A

Discussion

11.	Question : Aquaponics is a technique which is
Answer» A combination of AQUACULTURE and FISH culture A combination of aquaculture and HYDROPONICS A combination of vermiculture and hydroponics A combination of aquaculture and PRAWN culture Solution :A combination of aquaculture and hydroponics

Discussion

12.	Question : Approximate length of DNA in dipole human cell is
Answer» 4 MTS 2 mts 8mts 1mt Answer :B

Discussion

13.	Question : Approximately, a corn plant transpires .............. litres ofH_(2)O per day .
Answer» 2 8 16 450 Answer :A::B

Discussion

14.	Question : TMV has approximately ____ capsomeres.
Answer» 3120 1203 2130 3021 Answer :C

Discussion

15.	Question : Application to "_____________" brings bolting in rosette plants.
Answer» ANSWER :GIBBERELLINS

Discussion

16.	Question : Apples are generally wrapped in waxed paper to
Answer» Prevent SUNLIGHT for changing its colour Prevent AEROBIC respiration by checking the entry of `O_(2)`. Prevent ETHYLENE formation due to injury Make the APPLES look attractive SOLUTION :Prevent aerobic respiration by checking the entry of `O_(2)`

Discussion

17.	Question : Apple maggot flies are example of ____
Answer» HYBRID breakdown Physiological isolation Allopatric speciation Species Extinction Answer :D

Discussion

18.	Question : Appendicular skeleton is made up of
Answer» PECTORAL and PELVIC girdle fore and hindlimbs girdles and limbs all of these

Discussion

19.	Question : Appendicular skeleton is
Answer» GIRDLES and their LIMBS vertebrae skull and VERTEBRAL COLUMN RIBS and sternum Solution :girdles and their limbs

Discussion

20.	Question : Appendicular skeleton includes
Answer» girdle and their limbs vertebrae SKULL and vertebral column RIBS and sternum. Solution :The endoskeleton of mammals have two major DIVISIONS: (i) Axis skeleton that lies along the logitudinal axis of the body . It support and protects the organs of the head , neck and trunk. It includes skull, ribs, sternum and vertebal column. (ii) Appendicular skeleton, which os ASSOCIATED with the appendages. it consists of two girdles. the pectoral and girdles the limb bones.

Discussion

21.	Question : Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
Answer» NODES are SHORTER than internodes Nodes have MERISTEMATIC cells Nodes are LOCATED NEAR the soil Nodes have non-photosynthetic cells Answer :B

Discussion

22.	Question :Appendicitis is the inflammation of the…………
Answer» CAECUM LIVER appendix rectum Solution :N/A

Discussion

23.	Question : Appearance of bivalent state of chromosomes is a main characteristic of ..... phase.
Answer» DIPLOTENE ZYGOTENE Pachytene Dikinesis ANSWER :B

Discussion

24.	Question : Apospory is defined as
Answer» Formation of embryo from egg of an embryo SAC DEVELOPED directly from MEGASPORE mother cell development of GAMETOPHYTE directly from the cells of sporophyte without MEIOSIS Formation of embryo from nucellus Formation of embryo from integument Answer :B

Discussion

25.	Question : Apoplast/symplast pathway is a system of interconnected protoplast.
Answer» SOLUTION :Simplast

Discussion

26.	Question : Apoplast movement of water occurs through:
Answer» CELL walls plasmodesmata cytoplasm PLASMA MEMBRANES

Discussion

27.	Question : Apoplast is
Answer» CYTOPLASM and PLASMALEMMA Protoplast and plasmodesmata Cell walls Intercellular SPACE containg non-living MATTER Answer :D

Discussion

28.	Question : Apomixis is
Answer» DEVELOPMENT of plants in darkness development of plants WITHOUT fusion of gametes inability to perceive stimulus for flowering effect of low TEMPERATURE on plant growth Answer :B

Discussion

29.	Question : Apomixis in plant means development of a plant
Answer» From STEM CUTTINGS From root cuttings Without fusion of GAMETES From fusion of gametes ANSWER :C

Discussion

30.	Question : Apomictic seeds are found in
Answer» All FLOWERING plants Allium and Cycas All SPECIES of Asteracease and Grasses Some species of ASTERACEAE and Grasses Answer :D

Discussion

31.	Question : Apoenzyme alone cannot function.
Answer» SOLUTION :Apoenzyme is INACTIVE proteinous component of enzyme and needs COFACTOR for its functioning.

Discussion

32.	Question :Apocarpous condition is found in
Answer» Mustard ROSE LEMON Tomato Answer :B

Discussion

33.	Question : Apis mellifera is the ........... bee.
Answer» SOLUTION :EUROPEAN

Discussion

34.	Question :Apiculture is the care and management of ............ on a commercial scale.
Answer» SOLUTION : HONEYBEES

Discussion

35.	Question : Apical stem of shoot apex is
Answer» INTERCALARY meristem lateral meristem primary meristem secondary meristem Answer :C

Discussion

36.	Question : Apical stem of shoot apex is :
Answer» INTERCALARY meristem Lateral meristem Primary meristem Secondary meristem Answer :C

Discussion

37.	Question : Apical meristems are absent at the tips of
Answer» ROOT STEM LEAVES Branches Answer :C

Discussion

38.	Question :Apical dominance is due to the effect of ............
Answer» AUXIN Gibberellin ETHYLENE CYTOKININ SOLUTION :Auxin

Discussion

39.	Question : Apical, intercalary and lateral meristems are recognised on the basis of their
Answer» FUNCTION Position PLANE of DIVISION All Answer :B

Discussion

40.	Question : Apical dominance is due to
Answer» auxins cytokinin ethylene gibberellin

Discussion

41.	Question : Apical dominance – Explain.
Answer» Solution :SUPPRESSION of growth in lateral bud by apical bud due to auxin PRODUCED by apical bud is TERMED as apical DOMINANCE.

Discussion

42.	Question : Apical cell theory was proposed by
Answer» Hanstein Schmidt Hofmeister Nehemia Grew Answer :C

Discussion

43.	Question : Apart from chlorophyll, algae have several other pigments in their chloroplast. What pigments are found in blue-green, red and brown algae, that are responsible for their characteristic colours ?
Answer» SOLUTION :Algae have many other PIGMENTS in their chloroplast, in ADDITION to chlorophyll. The FOLLOWING table shows VARIOUS pigments in algae and colour imparted by them :

Discussion

44.	Question : Apart fromchlorophylla, otherpigmentare calledaccessorypigments . Why ?
Answer» SOLUTION :CHLOROPHYLL'a' isthe PRIMARY whichacts as a rectioncentre and all other pigmentsact asaccessorypigments and thetrap solar ENERGYAND thentransferit tochlorophyll 'a'.

Discussion

45.	Question : Apart from carbon, hydrogen and oxygen the most prevalent element in living organisms
Answer» Phosphorus Nitrogen Calcium Iron ANSWER :B

Discussion

46.	Question : {:(,a,"Palmaris muscle","-Hanging"),(,b,"Bone cells","-RBC"),(,c,"Blood cells","-Osteocytes"),(,d,"collagen fibres","-Platelets"):}
Answer»

Discussion

47.	Question : Anus is absent in ……………….
Answer» PERIPLANETA Unio FASCIOLA Pheretima Solution :Fasciola

Discussion

48.	Question : Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain.
Answer» ATTENUATED pathogens Activated pathogens Harvested ANTIBODIES GAMMA globulin Answer :A

Discussion

49.	Question : Antigenic epitope fixes to paratope of antibody between?
Answer» ONE HEAVY and one LIGHT chain Two heavy chains Two light chain Fixes only an SINGLE heavy chain Answer :A

Discussion

50.	Question : Antiparallel strands of a DNA molecule means that
Answer» The phosphate GROUPS of two DNA strands at their ENDS, share the same position The phosphate groups at the START of two DNA strands are in opposite position (pole) One strand turns CLOCKWISE One strand turns ANTI clockwise Answer :B

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : How are archae - bacteria different from other bacteria?

Question :Arachis hypogaea (ground nut) belongs to the family :

Question : Archaebacteria are considered to be ancient bacteria because they are

Question : Aqueous humour is present between the :

Question : Aqueous and vitreous humor are divided by

Question : Aqueduct of sylvius (iter) connects

Question : Aquatic weed Salvinia, also called the sorrow of Kashmir, is

Question : Aquatic mammals do not produce milk.

Question : Aquatic plants usually have a well-developed :

Question : Aquatic fern is used to increase the yield in paddy crop

Question : Aquaponics is a technique which is

Question : Approximate length of DNA in dipole human cell is

Question : Approximately, a corn plant transpires .............. litres ofH_(2)O per day .

Question : TMV has approximately ____ capsomeres.

Question : Application to "_____________" brings bolting in rosette plants.

Question : Apples are generally wrapped in waxed paper to

Question : Apple maggot flies are example of ____

Question : Appendicular skeleton is made up of

Question : Appendicular skeleton is

Question : Appendicular skeleton includes

Question : Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because

Question :Appendicitis is the inflammation of the…………

Question : Appearance of bivalent state of chromosomes is a main characteristic of ..... phase.

Question : Apospory is defined as

Question : Apoplast/symplast pathway is a system of interconnected protoplast.

Question : Apoplast movement of water occurs through:

Question : Apoplast is

Question : Apomixis is

Question : Apomixis in plant means development of a plant

Question : Apomictic seeds are found in

Question : Apoenzyme alone cannot function.

Question :Apocarpous condition is found in

Question : Apis mellifera is the ........... bee.

Question :Apiculture is the care and management of ............ on a commercial scale.

Question : Apical stem of shoot apex is

Question : Apical stem of shoot apex is :

Question : Apical meristems are absent at the tips of

Question :Apical dominance is due to the effect of ............

Question : Apical, intercalary and lateral meristems are recognised on the basis of their

Question : Apical dominance is due to

Question : Apical dominance – Explain.

Question : Apical cell theory was proposed by

Question : Apart from chlorophyll, algae have several other pigments in their chloroplast. What pigments are found in blue-green, red and brown algae, that are responsible for their characteristic colours ?

Question : Apart fromchlorophylla, otherpigmentare calledaccessorypigments . Why ?

Question : Apart from carbon, hydrogen and oxygen the most prevalent element in living organisms

Question : {:(,a,"Palmaris muscle","-Hanging"),(,b,"Bone cells","-RBC"),(,c,"Blood cells","-Osteocytes"),(,d,"collagen fibres","-Platelets"):}

Question : Anus is absent in ……………….

Question : Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain.

Question : Antigenic epitope fixes to paratope of antibody between?

Question : Antiparallel strands of a DNA molecule means that