22339 + Interview Questions in Biology in Class 11

1.	Question : An insectivorous plant is
Answer» SOLUTION :NEPENTHES (PITCHER PLANT).

Discussion

2.	Question : Name an insectivorous angiosperm.
Answer» SOLUTION :(i) DISCHIDIA (II) UTRICULARIA

Discussion

3.	Question : Name an important mineralocorticoid.
Answer» SOLUTION :ALDOSTERONE

Discussion

4.	Question : Name an important glucocorticoid and what is its main function ?
Answer» Solution :Cortisol. It raises BLOOD sugar level by stimulating PROTEOLYSIS and converting AMINOACIDS to glucose in liver.

Discussion

5.	Question : Name an imectivorous anglosperm without roots,
Answer» SOLUTION :UTRICULARIA

Discussion

6.	Question : Name an element found in proteins but not in lipids and carbohydrates.
Answer» ANSWER :NITROGEN.

Discussion

7.	Question : Name an important enzyme present is peroxisomes.
Answer» SOLUTION :CATALASE.

Discussion

8.	Question : Name an aquatic angiosperm where the roots are absent.
Answer» SOLUTION :CERATOPHYLLUM

Discussion

9.	Question : Name an alga which has spiral chloroplast.
Answer» SOLUTION :SPIROGYRA

Discussion

10.	Question : Name a unicelluar plant which is several cm long.
Answer» SOLUTION :ACETABULARIA.

Discussion

11.	Question : Name an angiospermic plant devoid of green leaves
Answer» SOLUTION :OPUNTIA (CACTUS).

Discussion

12.	Question : Name an amphibian which carries its young on its back.
Answer» SOLUTION :PIPA (SURINAM TOAD).

Discussion

13.	Question : Name all 5 Kingdoms.
Answer» SOLUTION :Monera, Protista, FUNGI, PLANTAE and ANIMALIA.

Discussion

14.	Question : Name a symbiotic bacterium.
Answer» SOLUTION :RHIZOBIUM

Discussion

15.	Question : Name a taxon of family Liliaceae where leaf venation is reticulate :
Answer» ALLIUM ASPARAGUS SMILAX Polygonatum SOLUTION :Smilax

Discussion

16.	Question : Name a selective weed killer.
Answer» SOLUTION :2,4 DICHLORO phenoxy ACETIC ACID ( 2,4D)

Discussion

17.	Question : Name a stain commonly used to colour chromosomes.
Answer» SOLUTION :Giemsa a GREEN and Acetocarmine.

Discussion

18.	Question : Name a simple living mechanical tissue.
Answer» SOLUTION :COLLENCHYMA

Discussion

19.	Question : Name a protozoan that reproduces asexually by transverse binary fission.
Answer» SOLUTION :PARAMECIUM

Discussion

20.	Question : Name a rod shaped bacterium which has the capacity toproduce endospores
Answer» SOLUTION :BACILLUS

Discussion

21.	Question : Name a prokaryotic cell without a cell wall.
Answer» SOLUTION :MYCOPLASMA.

Discussion

22.	Question : Name a protozoan responsible for malaria in humans.
Answer» SOLUTION :Plasmodium-a sporozoan PARASITE.

Discussion

23.	Question : Name a plant which is commonly called "maiden hair fern".
Answer» SOLUTION :ADIANTUM.

Discussion

24.	Question : Name a principal naturally occurring auxin present in plants.
Answer» ANSWER :IAA ( Indole-acetic -ACID )

Discussion

25.	Question : Name a plant where rhizoids are multicellular branched and obiquely septate.
Answer» ANSWER :FUNARIA

Discussion

26.	Question :Name a plant where orthotropous ovule is found.
Answer» SOLUTION :POLYGONUM

Discussion

27.	Question : Name a plant which accumulate silicon.
Answer» SOLUTION :1 Auries saliva (Bajri) 2 Triticum aestivum (WHEAT)

Discussion

28.	Question : Name a plant where leaf is modified into a tendril.
Answer» SOLUTION :LATHYRUS APHACA (WILD PEA).

Discussion

29.	Question : Name a plant which is called living fossil.
Answer» SOLUTION :GINKGO biloba

Discussion

30.	Question : Name a plant cell devoid of nucleus.
Answer» SOLUTION :SIEVE TUBES.

Discussion

31.	Question : Name a plant hormone that exist in gaseous state.
Answer» ANSWER :ETHYLENE

Discussion

32.	Question : Name a photoautotrophic bacterium.
Answer» SOLUTION :GREEN SULPHUR BACTERIUM.

Discussion

33.	Question : Name a non-membrane bound organelle found in animal cells. What is its function?
Answer» SOLUTION :CENTRIOLE, HELPS in CELL DIVISION.

Discussion

34.	Question :Name a parasitic alga.
Answer» SOLUTION :Cephaleuros virescens CAUSING RED RUST of TEA.

Discussion

35.	Question : Name a non-metallic micronutrient
Answer» SOLUTION :CHLORINE

Discussion

36.	Question : Name a mammal that lays eggs.
Answer» SOLUTION :Tachyglossus (SPINY ANTEATER).

Discussion

37.	Question : Name a inhibitor of oxidative phosphyorylation.
Answer» SOLUTION :Oligomycin.

Discussion

38.	Question : Name a hormone which (A) is gaseous in nature (B) is responsible for phototropism (C ) induces femaleness in flowers of cucumber (D) is used for killing weeds (dicots) (E) induces flowering in long day plants
Answer» Solution :(A) Ethylene is a hormone which is gaseous in nature. (B) AUXIN (synthetic auxin 2-4 D) is responsible for phototropism and geotropism in PLANTS. (C) Ethylene causes feminising effect. External supply of very small quantity of ethylene can increase the NUMBER of female flowers and hence fruits as in cucumber. (D) Synthetic auxin (2-4 D) kills broad leaved DICOT weeds, hence used as WEEDICIDES. (E) Gibberellins, induces flowering in long day plants.

Discussion

39.	Question : Name a group of algae which contain plenty of fucoxanthin.
Answer» SOLUTION :PHAEOPHYTA

Discussion

40.	Question : Name a hormone released from posterior pituitary.
Answer» SOLUTION :OXYTOCIN

Discussion

41.	Question : Name a hormone associated with cell division.
Answer» ANSWER :CYTOKININ.

Discussion

42.	Question : Name a Gram -ve and a Gram +ve bacteria.
Answer» SOLUTION :ESCHERICHIA COLI and LACTOBACILLUS RESPECTIVELY.

Discussion

43.	Question : Name a fungus which is important for its use in genetic studies.
Answer» SOLUTION :NEUROSPORA

Discussion

44.	Question : Name a fungus which is found both in unicellular and mycelial states.
Answer» SOLUTION :CANDIDA ALBICANS:

Discussion

45.	Question : Name a foliaceous alga and colonial non motile alga.
Answer» Solution :Foliaceous ALGA -Ulva COLONIAL NON motile alga -Hydrodictyon

Discussion

46.	Question : Name a few plants in which C_(4)cycle occurs.
Answer» SOLUTION :SUGARCANE, GRASSES, MAIZE (certaintropical PLANTS).

Discussion

47.	Question : Name a few exchange pumps a cell membrane has.
Answer» SOLUTION :Sodium-potassium exchange PUMP, calcium pump, `K^(+)-H^(+)` exchange pump (GUARD cells).

Discussion

48.	Question : Name a disease of human beings caused by prions.
Answer» SOLUTION :Creutzfeld-Jacob DISEASE.

Discussion

49.	Question : Name a disease caused by viroid in plants.
Answer» SOLUTION :POTATO SPINDLE TUBER.

Discussion

50.	Question : Name a cultivated plant in which neither fruits nor seeds are formed.
Answer» SOLUTION :SUGAR CANE.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : An insectivorous plant is

Question : Name an insectivorous angiosperm.

Question : Name an important mineralocorticoid.

Question : Name an important glucocorticoid and what is its main function ?

Question : Name an imectivorous anglosperm without roots,

Question : Name an element found in proteins but not in lipids and carbohydrates.

Question : Name an important enzyme present is peroxisomes.

Question : Name an aquatic angiosperm where the roots are absent.

Question : Name an alga which has spiral chloroplast.

Question : Name a unicelluar plant which is several cm long.

Question : Name an angiospermic plant devoid of green leaves

Question : Name an amphibian which carries its young on its back.

Question : Name all 5 Kingdoms.

Question : Name a symbiotic bacterium.

Question : Name a taxon of family Liliaceae where leaf venation is reticulate :

Question : Name a selective weed killer.

Question : Name a stain commonly used to colour chromosomes.

Question : Name a simple living mechanical tissue.

Question : Name a protozoan that reproduces asexually by transverse binary fission.

Question : Name a rod shaped bacterium which has the capacity toproduce endospores

Question : Name a prokaryotic cell without a cell wall.

Question : Name a protozoan responsible for malaria in humans.

Question : Name a plant which is commonly called "maiden hair fern".

Question : Name a principal naturally occurring auxin present in plants.

Question : Name a plant where rhizoids are multicellular branched and obiquely septate.

Question :Name a plant where orthotropous ovule is found.

Question : Name a plant which accumulate silicon.

Question : Name a plant where leaf is modified into a tendril.

Question : Name a plant which is called living fossil.

Question : Name a plant cell devoid of nucleus.

Question : Name a plant hormone that exist in gaseous state.

Question : Name a photoautotrophic bacterium.

Question : Name a non-membrane bound organelle found in animal cells. What is its function?

Question :Name a parasitic alga.

Question : Name a non-metallic micronutrient

Question : Name a mammal that lays eggs.

Question : Name a inhibitor of oxidative phosphyorylation.

Question : Name a hormone which (A) is gaseous in nature (B) is responsible for phototropism (C ) induces femaleness in flowers of cucumber (D) is used for killing weeds (dicots) (E) induces flowering in long day plants

Question : Name a group of algae which contain plenty of fucoxanthin.

Question : Name a hormone released from posterior pituitary.

Question : Name a hormone associated with cell division.

Question : Name a Gram -ve and a Gram +ve bacteria.

Question : Name a fungus which is important for its use in genetic studies.

Question : Name a fungus which is found both in unicellular and mycelial states.

Question : Name a foliaceous alga and colonial non motile alga.

Question : Name a few plants in which C_(4)cycle occurs.

Question : Name a few exchange pumps a cell membrane has.

Question : Name a disease of human beings caused by prions.

Question : Name a disease caused by viroid in plants.

Question : Name a cultivated plant in which neither fruits nor seeds are formed.