22339 + Interview Questions in Biology in Class 11

1.	Question :An association between roots of higher plants and fungi iscalled ……..
Answer» SOLUTION :MYCORRHIZA

Discussion

2.	Question : An area in the brain which is associated with strong emotions is
Answer» cerebral cortex cerebellum limbric SYSTEM medulla Solution :The inner parts of cerebral hemispheres and a group of associated deep structures like amygdala, hippocampus, etc, form a complex structure called the limbic LOBE or limbic system. Along with the hypothalamus, it is involved in the REGULATION of SEXUAL behaviour, expression of emotional reactions (e.g., excitement, pleasure, RAGE and fear) and motivation.

Discussion

3.	Question : An area in the brain which is associated with strong emotion is ........
Answer» Cerebral CORTEX Cerebellum LIMBIC system Medulla Solution :Lymbic system and HYPOTHALAMUS regulates STIMULATIONS like (FEAR, anger excitations).

Discussion

4.	Question : An area between two Z lines forms
Answer» A BAND I band H band sarcomere Answer :D

Discussion

5.	Question : An arachnid differs from a crustacean because :
Answer» arachnids lack antennae arachnids are mostly AQUATIC and CRUSTACEANS aremostly terrestrial only arachnids shed their exoskeletons only arachnids have two major BODY SEGMENTS of CEPHALOTHORAX and abdomen Solution :arachnids lack antennae

Discussion

6.	Question :An anther has 1200 pollen grains. How many pollen mother cells must have been there to produce them ?
Answer» SOLUTION : It would have been PRODUCED by 300 pollen mother cells (A SINGLE mother cell can be produce 4 mother cells) (`300 xx 4 = 1200` ).

Discussion

7.	Question : An animal with one pair of legs on each segment.
Answer» SOLUTION :CENTIPEDE

Discussion

8.	Question : An animal that has 1 pair of jointed legs on each segment is
Answer» centipede millipede prawn NEREIS

Discussion

9.	Question : An animal show the following character Body is dorsoventrally flattened Parenchyma cell are found between the body wall and alimentary canal
Answer» SOLUTION :PHYLUM PLATYHELMINTHES

Discussion

10.	Question : An angstrom is equal to :
Answer» `10^(-7)` m `10^(-8)` m `10^(-9)` m `10^(-10)` m SOLUTION :`10^(-10)` m

Discussion

11.	Question : An androecium consisting of six stamens, four long and two short, is said to be ............
Answer» SOLUTION :tetradynamous

Discussion

12.	Question : An amphibian that carries young ones on its back,
Answer» SOLUTION :SURINAM TOAD

Discussion

13.	Question : An ammonifying bacterium is
Answer» BACILLUS mycoides Nitrocystis Nitrosomonas Pseudomonas aeruginosa ANSWER :A

Discussion

14.	Question : An amino acid under certain conditions have both positive and negative charges simultaneously in the same molecule. Such a form of amino acid is called (A) Acidic form (B) Basic form (C) Aromatic form (D) Zwitterionic form
Answer» ACIDIC FORM BASIC form aromatic form zwitterionic form Answer :D

Discussion

15.	Question : An agroforestry, taungya consist of
Answer» Growing crops in between rows of trees Growing crops after REMOVAL of trees Growing crops on degarded soils NONE of the above Solution :In taungya, agriculture crops are grown in between rows of planted trees like SAL and Teak.

Discussion

16.	Question : An alga, that is a rich source of protein is
Answer» Nostoc Ectocarpus Chlorella Spirogyra Answer :C

Discussion

17.	Question : An aggregate fruit is one which develops from
Answer» Multicarpellary SYNCARPOUS GYNOECIUM Multicarpellary APOCARPOUS gynoecium Complete INFLORESCENCE Multicarpellary SUPERIOR ovary Solution :Multicarpellary apocarpous gynoecium

Discussion

18.	Question : An aggregate fruit develops from an inflorescence.
Answer» ANSWER :FALSE

Discussion

19.	Question : An aggregate fruit develops from a single flower. Explain the statement with suitable example.
Answer» Solution :1. An aggregate FRUIT DEVELOPS from a single flower, with multicarpellary, arocarpous, superior ovaries and each of them develops into simple fruitlets. 2. An aggregate fruit, therefore consists of a COLLECTION of simple FRUITS as in Polyalthai. 3. The carpels of the flower unite and GIVE rise to a single fruit as in Annona squamosa.

Discussion

20.	Question : An active cell gets more oxygen than an inactive cell from oxyhaemoglobin because of its:
Answer» LOW `pO_(2)` HIGH `pO_(2)` low `pCO_(2)` high `pCO_(2)`

Discussion

21.	Question : An action potential in the nerve fibre is produced when positive and negative charges on the outside and the inside of the axon membrane are reversed because
Answer» more potassium ions ENTER the axon as COMPARED to sodium ions leaving it more sodium ions enter the axon as compared to potassium ions leaving it all potassium ions LEAVE the axon all sodium ions enter the axon Answer :B

Discussion

22.	Question : An actinomorphic flower is found in solitary terminal inflorescence in
Answer» DATURA HIBISCUS JASMINE NERIUM ANSWER :A

Discussion

23.	Question : An acid soluble compound formed by phosphorylation of nucleoside is called (A) Nitrogen base (B) Adenine (C) Sugar phosphate (D) Nucleotide
Answer» nitrogen BASE adenine SUGAR phosphate NUCLEOTIDE Solution :Each nucleotide has nitrogen base, pentose sugar and phosphate molecule.

Discussion

24.	Question :An achlamydeous flower with a single stamenis found in
Answer» HEAD CYATHIUM Umbel Catkin ANSWER :B

Discussion

25.	Question : Amyloplasts are particles storing :
Answer» Starch Proteins Fats All of these ANSWER :A

Discussion

26.	Question : AMS stands for …………………………………….
Answer» ARTIFICIAL MOUNTAIN SICKNESS ACUTE Mountain Sickness Allergy METABOLIC Sickness Allergy Mountain Sickness Solution :Acute Mountain Sickness

Discussion

27.	Question : Amphistomatic leaf with stomata distributed equally on both the surface is an example of
Answer» ISOBILATERAL leaf dorsiventral leaf XEROPHYTIC leaf hydrophytic leaf. Solution : Leaf having STOMATA equally distributed on both surface is CALLED amphistomatic (isobilateral) leaf,`e.g.,` most MONOCOT leaves.

Discussion

28.	Question : Amphivasal vascular bundles are found in
Answer» Cycas and DRYOPTERIS Dracaena and YUCCA Helianthus and Cucurbita Maize and Wheat Answer :B

Discussion

29.	Question :Amphipathic molecule in plasma membrane
Answer» Protein Carbohydrates PHOSPHOLIPIDS All the above Answer :C

Discussion

30.	Question : Amphicribral vascular bundle is present in the stem of
Answer» SELAGINELLA FICUS HELIANTHUS Oryza Answer :A

Discussion

31.	Question : Amphicribal vascular bundles are also called
Answer» Leptocentric Hadrocentric Amphivasal Bicollateral ANSWER :B

Discussion

32.	Question : Amphibians of plant kingdom are
Answer» Algae BRYOPHYTES Pteridophytes Gymnosperms Solution :AMPHIBIANS of PLANT KINGDOM are bryophytes.

Discussion

33.	Question : Amphibians of the plant kingdom are
Answer» Pteridophytes Angiosperms Gymnosperms Bryophytes Answer :D

Discussion

34.	Question : Amphibians of plant kingdoms are bryophytes/ gymnosperms.
Answer» SOLUTION :BRYOPHYTES

Discussion

35.	Question : Amphibians originated during
Answer» SILURIAN period Devonian period Carboniferous period JURASSIC period Answer :B

Discussion

36.	Question : Amphibians have dry scaly skin.
Answer» ANSWER :F

Discussion

37.	Question : Amphiastral type cell division is seen in ____cells.
Answer» Fungal Algal Plant cells ANIMAL Solution :Animal

Discussion

38.	Question : Amphibian skin is externally coveredby
Answer» placoid SCALES CYCLOID scales ctenoid scales no scales ANSWER :D

Discussion

39.	Question :Amount of oxygen present in one gram of haemoglobin is
Answer» 20 ML 1-34 ml 13-4 ml None of the above Solution :1-34 ml

Discussion

40.	Question : Amount of lipids in cytoplasm is
Answer» 1-2% 2-3% 3-4% 7-10% ANSWER :A

Discussion

41.	Question : Amount of energy released when an ATP molecule is hydrolysed is ……………. .
Answer» 2.7 K CAL 7.3 k cal 2.8 k cal 6.5 k cal ANSWER :B

Discussion

42.	Question : InS phase , Amount of DNAin each cell?
Answer» Amount of DNA DOUBLES same in each cell Amount of DNA REMAINS same in each cell Chromosomes will not SEGREGATE is increased Amount of DNA is REDUCED to half in each cell Solution :Amount of DNA DOUBLE same in each cell

Discussion

43.	Question : Amount of CO_2 abosorbed by plant to produce 180 gm of glucose
Answer» 216 gm 264 gms 192 gm 108 gms Answer :B

Discussion

44.	Question : Among the honey bees, workers are .............
Answer» FERTILE FEMALES fertile males STERILE females sterile males Solution : sterile females

Discussion

45.	Question : Among the following which one is not a deuterostome?
Answer» SEA urchin Earthworm Sand dollar Ichthyophis Answer :B

Discussion

46.	Question : Among the following which can be a common feature exhibited by both living and non-living?
Answer» Growth Reproduction Metabolism Cellular organisation Answer :A

Discussion

47.	Question : Among the following, where do you think the process of decomposition would be the fastest?
Answer» TROPICAL RAIN forest Antarctic Dry ARID REGION Alpine region ANSWER :A

Discussion

48.	Question : Among the following the partial pressure of oxygen is maximum in
Answer» alveolar air aterial BLOOD venous blood expired air. Solution :The PARTICLE pressure of `O_(2)` in the expired air is `116 mm` HG. In alveolar air it is `104 mm` Hg, in arterial blood it is `95 mm`Hg and in venous blood it is `40 mm` Hg.

Discussion

49.	Question :Among the following terms which is not technically correct name for a floral whorl
Answer» ANDROECIUM COROLLA GYNOECIUM CARPEL ANSWER :D

Discussion

50.	Question : Among the following physiologicalprocesses, which one occurs only in the living cells ?
Answer» DIFFUSION Osmosis Exosmosis Plasmolysis Answer :A::D

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question :An association between roots of higher plants and fungi iscalled ……..

Question : An area in the brain which is associated with strong emotions is

Question : An area in the brain which is associated with strong emotion is ........

Question : An area between two Z lines forms

Question : An arachnid differs from a crustacean because :

Question :An anther has 1200 pollen grains. How many pollen mother cells must have been there to produce them ?

Question : An animal with one pair of legs on each segment.

Question : An animal that has 1 pair of jointed legs on each segment is

Question : An animal show the following character Body is dorsoventrally flattened Parenchyma cell are found between the body wall and alimentary canal

Question : An angstrom is equal to :

Question : An androecium consisting of six stamens, four long and two short, is said to be ............

Question : An amphibian that carries young ones on its back,

Question : An ammonifying bacterium is

Question : An amino acid under certain conditions have both positive and negative charges simultaneously in the same molecule. Such a form of amino acid is called (A) Acidic form (B) Basic form (C) Aromatic form (D) Zwitterionic form

Question : An agroforestry, taungya consist of

Question : An alga, that is a rich source of protein is

Question : An aggregate fruit is one which develops from

Question : An aggregate fruit develops from an inflorescence.

Question : An aggregate fruit develops from a single flower. Explain the statement with suitable example.

Question : An active cell gets more oxygen than an inactive cell from oxyhaemoglobin because of its:

Question : An action potential in the nerve fibre is produced when positive and negative charges on the outside and the inside of the axon membrane are reversed because

Question : An actinomorphic flower is found in solitary terminal inflorescence in

Question : An acid soluble compound formed by phosphorylation of nucleoside is called (A) Nitrogen base (B) Adenine (C) Sugar phosphate (D) Nucleotide

Question :An achlamydeous flower with a single stamenis found in

Question : Amyloplasts are particles storing :

Question : AMS stands for …………………………………….

Question : Amphistomatic leaf with stomata distributed equally on both the surface is an example of

Question : Amphivasal vascular bundles are found in

Question :Amphipathic molecule in plasma membrane

Question : Amphicribral vascular bundle is present in the stem of

Question : Amphicribal vascular bundles are also called

Question : Amphibians of plant kingdom are

Question : Amphibians of the plant kingdom are

Question : Amphibians of plant kingdoms are bryophytes/ gymnosperms.

Question : Amphibians originated during

Question : Amphibians have dry scaly skin.

Question : Amphiastral type cell division is seen in ____cells.

Question : Amphibian skin is externally coveredby

Question :Amount of oxygen present in one gram of haemoglobin is

Question : Amount of lipids in cytoplasm is

Question : Amount of energy released when an ATP molecule is hydrolysed is ……………. .

Question : InS phase , Amount of DNAin each cell?

Question : Amount of CO_2 abosorbed by plant to produce 180 gm of glucose

Question : Among the honey bees, workers are .............

Question : Among the following which one is not a deuterostome?

Question : Among the following which can be a common feature exhibited by both living and non-living?

Question : Among the following, where do you think the process of decomposition would be the fastest?

Question : Among the following the partial pressure of oxygen is maximum in

Question :Among the following terms which is not technically correct name for a floral whorl

Question : Among the following physiologicalprocesses, which one occurs only in the living cells ?