22339 + Interview Questions in Biology in Class 11

1.	Question : The second largest number of species containing phylum in the animal kingdom is ………………….. .
Answer» ANNELIDA ARTHROPODA MOLLUSCA CHORDATA SOLUTION :Mollusca

Discussion

2.	Question : The second heart sound (dubb) is associated with the closure of ………
Answer» TRICUSPID valve SEMILUNAR valves Bicuspid valve Tricuspid and bicuspid valve ANSWER :B

Discussion

3.	Question : The seat of a number of biological process in a cell is
Answer» NUCLEOLUS DNA Protoplasm PLASMA membrane Answer :C

Discussion

4.	Question : The sea appears red due to rapid multiplication of (A) Euglenoids (B) Chrysophytes (C) Dinoflagellates (D) Slime moulds
Answer» Euglenoids CHRYSOPHYTES DINOFLAGELLATES SLIME moulds ANSWER :C

Discussion

5.	Question : The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
Answer» COTYLEDON Endosperm Aleurone layer Plumule ANSWER :A

Discussion

6.	Question : The scientific name of mango is Mangifera indica. Mangifera denotes the name of
Answer» family species genus class Answer :C

Discussion

7.	Question : The scientific name should be in the following language
Answer» english latin common none of these

Discussion

8.	Question : The scientific name of wheat are given below. Correct it triticum Aestivum
Answer» SOLUTION :TRITICUM AESTIVUM

Discussion

9.	Question : The scientific name of man is Homo sapiens, Homo denotes the name of
Answer» family genus species common NAME

Discussion

10.	Question : The scientific name of houselfy is given below. Correct it Musca Domestica.
Answer» SOLUTION :MUSCA DOMESTICA

Discussion

11.	Question : The scientific name of Indian bull frog is
Answer» RANA hexadactyla Rana pentadectgla Haplobatrachus tigirenes HYLA ANSWER :C

Discussion

12.	Question : The scapula is a large triangular flat bone situated in the dorsal part of the thorax between
Answer» SECOND and SEVENTH rib third and FOURTH rib FIFTH and SIXTH rib second and fifth rib. Solution :N//A

Discussion

13.	Question : The scala vestibuli and scala media are separated by a membrane called ……………………. .
Answer» SOLUTION :Reisner's MEMBRANE

Discussion

14.	Question : The sap wood occurs between
Answer» CAMBIUM and SECONDARY PHLOEM Cambium and Heart wood Heart wood and PITH Phloem and Cortex Answer :B

Discussion

15.	Question : The roots that grows vertically downwards from the lateral branches into the soil is called as ................. roots.
Answer» BRACE CLIMBING BUTTRESS SOLUTION :PROP

Discussion

16.	Question : The roots that have swellings at regular 'intervals are called
Answer» NODULOSE fasciculated moniliform TUBEROUS

Discussion

17.	Question : The stem of the parasitic plant Cuscuta is
Answer» TOTAL STEM PARASITE partial stem parasite epiphyte total ROOT parasite

Discussion

18.	Question : The root of Rhizophora plant is called breathing root.
Answer» SOLUTION :

Discussion

19.	Question : The role of ethylene and abscisic acid is both positive and negative. Justify the statement.
Answer» Solution :Positive role of ethylene : Influences of ethylene on plants include horizontal growth of seedlings, swelling of the axis and apical hook formation in dicot seedlings. Ethylene breaks seed and BUD DORMANCY, initiates germination in peanut seeds. Sprouting of potato TUBERS. Negative roles of ethylene : Ethylene promotes senescence and abscission of plant organs especially of leaves and flowers. Positive role of abscisic acid : ABA plays an important role in seed development and maturation. Negative roles of abscisic acid : It acts as a general plant growth inhibitor and inhibitor of plant metabolism. ABA inhibits seed germination. ABA stimulates the closure of STOMATA in the epidermis and increases the tolerance of plants to various kind of stresses.

Discussion

20.	Question : The role of chlorophyll during photosynthesis is that of a
Answer» MOLECULE to TRAP light reactant synthesiser of `CO_(2)` product Answer :A

Discussion

21.	Question : The rise in rate of respiration during ripening of fruit
Answer» RESPIRATORY CLIMACTIC Repening climactic Fruit climactic Seed climactic ANSWER :A

Discussion

22.	Question : The rise in the stimulus - induced permeability to Na^(+) is short lived/long lived
Answer» SOLUTION :SHORT LIVED

Discussion

23.	Question : The ripening of fruits can be fastened by treatment with
Answer» gibberellins cytokinins ethylene gas auxin Answer :C

Discussion

24.	Question : The right side of the heart contains only ______blood.
Answer» SOLUTION :DEOXYGENATED

Discussion

25.	Question : The rice seedlings infected with fungus Gibberella fujikuroi is called foolish seedlings? What was the reason behind it?
Answer» Solution :Rice plants INFECTED with sungus Gibberella fujikuroi show too much growth in length. The length becomes too much for the PLANT to support its own weight and plant ultimately dies. Hence, this PHENOMENON is called FOOLISH seedlings.

Discussion

26.	Question : The ribosomes are found attached to the membrane of
Answer» CHLOROPLAST MITOCHONDRIA ENDOPLASMIC reticulum Golgi complex Answer :C

Discussion

27.	Question : The rhythmic waves of contraction and expansion that allow the food to pass through oesophagus are called ______
Answer» SOLUTION :PERISTALTIC MOVEMENTS

Discussion

28.	Question :The rhythmic contraction and expansion of heart is called.............
Answer» SOLUTION :HEART BEAT

Discussion

29.	Question : The rhizome of ginger is found underground. But it is not root.
Answer» SOLUTION : It BEARS NODES, INTERNODES and SCALE leaves.

Discussion

30.	Question : The rhizoids in Funaria are
Answer» GREEN and branched THREAD LIKE stuctures Unbranched ROOT like OUTGROWTHS Branched and multicellular nongreen thread like structures Unicellular and of two types Answer :C

Discussion

31.	Question : The reversible reaction of formation of carbonic acid from carbon dioxide and water is catalyzed by the enzyme called …………
Answer» SOLUTION :CARBONIC ANHYDRASE

Discussion

32.	Question : The retroperitoneal kidney is one covered by peritoneum on
Answer» DORSAL side VENTRAL side lateral side dorsal and ventral sides Answer :B

Discussion

33.	Question : The retinulae of houseflies differ from cockroach in the
Answer» presence of retinulae just below vitrillae and ABSENCE of SECONDARY PIGMENT cells presence of retinulae deep below vitrillae and presence of primary pigment cells presence of retinulae just below vitrillae and presence of secondary pigment cells none Answer :C

Discussion

34.	Question : The restoration of turgidity in a plasmolysed cell when placed in a hypotonic solution is caused by
Answer» hytdration electrolysis plasmolysis deplasmolysis Solution :N//A

Discussion

35.	Question : The response of plants to periods of day and night is photoperiodism/vernalisation.
Answer» SOLUTION :PHOTOPERIODISM

Discussion

36.	Question : The respirfltory structures of insects are
Answer» TRACHEAL TUBES gills green glands lungs Solution :tracheal tubes

Discussion

37.	Question : The respiratory pigment in cockroach is ………………. .
Answer» HAEMOGLOBIN HAEMOCYANIN OXYHAEMOGLOBIN NONE of these SOLUTION :None of these

Discussion

38.	Question : The respiratory pigment in cockroach is
Answer» HAEMOGLOBIN HAEMOCYANIN HAEMOERYTHRIN NONE of the above SOLUTION :Haemoerythrin

Discussion

39.	Question : The respiratory and cardiac centres are located in
Answer» cerebrum diencephalon crura cerebri medulla oblongata Solution :Medulla oblongata is the POSTERIOR most part of the brain.It CONTAINS centres which CONTROL respiration, salivation, SNEEZING cardiovascular REFLEXES and gastric secretions.

Discussion

40.	Question : The resinous chemical substance present in the bee wax is called ............
Answer» SOLUTION : PROPOLIS

Discussion

41.	Question : The RER in the cell synthesised a protein which would be later used in building the plasma membrane. But it is observed that the protein in the membrane is slightly different from the protein made in the RER. The protein was probably modified in another cell organelle. Identify that organelle in the given diagram
Answer» D A B C Solution :N//A

Discussion

42.	Question : The 'Repeating unit of glycogen is
Answer» fructose mannose glucose galactose Answer :C

Discussion

43.	Question : The Replum is present in the ovary of flower of
Answer» SUNFLOWER PEA Lemon Mustard ANSWER :D

Discussion

44.	Question : The relaxation of the chambers of the heart is called.............
Answer» SOLUTION :DIASTOLE

Discussion

45.	Question : The relationship between osmotic pressure, turgor pressure and wall pressure is represented by
Answer» TP=OP + WP OP=TP WP WP = TP-OP OP = TP + WP Answer :B

Discussion

46.	Question : The relationship between organisms of different trophic levels is ideally represented by pyramid of
Answer» numbers biomass energy age groups Answer :C

Discussion

47.	Question : The related classes are placed together in the same _________ while a class contains the organisms of related __________.
Answer» SOLUTION :PHYLUM, ORDER

Discussion

48.	Question : The related families constitute …………… .
Answer» CLANS PHYLUM GENUS ORDER ANSWER :D

Discussion

49.	Question : The related families are placed together in the same
Answer» phylum class genera order Answer :d

Discussion

50.	Question : The related families are placed together in the
Answer» order class phylum genus

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : The second largest number of species containing phylum in the animal kingdom is ………………….. .

Question : The second heart sound (dubb) is associated with the closure of ………

Question : The seat of a number of biological process in a cell is

Question : The sea appears red due to rapid multiplication of (A) Euglenoids (B) Chrysophytes (C) Dinoflagellates (D) Slime moulds

Question : The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?

Question : The scientific name of mango is Mangifera indica. Mangifera denotes the name of

Question : The scientific name should be in the following language

Question : The scientific name of wheat are given below. Correct it triticum Aestivum

Question : The scientific name of man is Homo sapiens, Homo denotes the name of

Question : The scientific name of houselfy is given below. Correct it Musca Domestica.

Question : The scientific name of Indian bull frog is

Question : The scapula is a large triangular flat bone situated in the dorsal part of the thorax between

Question : The scala vestibuli and scala media are separated by a membrane called ……………………. .

Question : The sap wood occurs between

Question : The roots that grows vertically downwards from the lateral branches into the soil is called as ................. roots.

Question : The roots that have swellings at regular 'intervals are called

Question : The stem of the parasitic plant Cuscuta is

Question : The root of Rhizophora plant is called breathing root.

Question : The role of ethylene and abscisic acid is both positive and negative. Justify the statement.

Question : The role of chlorophyll during photosynthesis is that of a

Question : The rise in rate of respiration during ripening of fruit

Question : The rise in the stimulus - induced permeability to Na^(+) is short lived/long lived

Question : The ripening of fruits can be fastened by treatment with

Question : The right side of the heart contains only ______blood.

Question : The rice seedlings infected with fungus Gibberella fujikuroi is called foolish seedlings? What was the reason behind it?

Question : The ribosomes are found attached to the membrane of

Question : The rhythmic waves of contraction and expansion that allow the food to pass through oesophagus are called ______

Question :The rhythmic contraction and expansion of heart is called.............

Question : The rhizome of ginger is found underground. But it is not root.

Question : The rhizoids in Funaria are

Question : The reversible reaction of formation of carbonic acid from carbon dioxide and water is catalyzed by the enzyme called …………

Question : The retroperitoneal kidney is one covered by peritoneum on

Question : The retinulae of houseflies differ from cockroach in the

Question : The restoration of turgidity in a plasmolysed cell when placed in a hypotonic solution is caused by

Question : The response of plants to periods of day and night is photoperiodism/vernalisation.

Question : The respirfltory structures of insects are

Question : The respiratory pigment in cockroach is ………………. .

Question : The respiratory pigment in cockroach is

Question : The respiratory and cardiac centres are located in

Question : The resinous chemical substance present in the bee wax is called ............

Question : The 'Repeating unit of glycogen is

Question : The Replum is present in the ovary of flower of

Question : The relaxation of the chambers of the heart is called.............

Question : The relationship between osmotic pressure, turgor pressure and wall pressure is represented by

Question : The relationship between organisms of different trophic levels is ideally represented by pyramid of

Question : The related classes are placed together in the same _________ while a class contains the organisms of related __________.

Question : The related families constitute …………… .

Question : The related families are placed together in the same

Question : The related families are placed together in the

Question : The related classes are placed together in the same _ while a class contains the organisms of related __.