22339 + Interview Questions in Biology in Class 11

1.	Question : Opening of flowers in the inflorescence of carrot
Answer» CENTRIFUGAL Basipetal ACROPETAL Centripetal Answer :D

Discussion

2.	Question : Opening in the core tissue which permit exchange of gas between atmosphere and internal tissue is called
Answer» COMPLEMENTARY tissue periderm lenticel bark Answer :C

Discussion

3.	Question : Opening and closing of stomata is due to the : -
Answer» `CA^(++)` `NA^(+)` `K^(+)` `CL^(-)` Answer :C

Discussion

4.	Question : Open type of circulatroy system is seen in all ofthe following except
Answer» HEMICHORDATA ARTHROPODA MOLLUSCA Annelida Answer :D

Discussion

5.	Question : Give reasons for the following.1 . Respiratory and circulatory system are absent in parasitic platyhelminthes and Aschelminthes. 2. Arthropods are the most successful invertebrate. 3. Body of endoparasites are covered with cuticle.
Answer» III only lit and II I and IV IV only Answer :C

Discussion

6.	Question : Open blood vascular syste is present in
Answer» CEPHALOCHORDATES cyclostomes urchordates VERTEBRATES ANSWER :C

Discussion

7.	Question : Ootheca is secreted by ........... gland.
Answer» SOLUTION :colleterial

Discussion

8.	Question : Oogamy is seen in I) Volvox II) All species of chlamydomonas III) Spirogyra IV) Fucus
Answer» I, II II, III III, IV I, IV Answer :D

Discussion

9.	Question : Only primary cell wall is present in the cells of
Answer» TRANSFER cells Xylem fibres Meristematic cells Sclereids ANSWER :C

Discussion

10.	Question : Onion root tip cells have 16 chromosomes in each cell. Can you tell how many chromosomes will the cell have at G_1 phase, after S phase, and after M phase? Also, what will be the DNA content of the cells at G_1, after S, and at G_2. If the content after M phase is 2C ?
Answer» Solution :16, 16, 16 CHROMOSOMES RESPECTIVELY: 2C, 40, 4C respectively

Discussion

11.	Question : Only living cells among Xylem elements are. . . . . . . . .
Answer» VESSELS Tracheids XYLEM PARENCHYMA Xylem fibres Answer :C

Discussion

12.	Question :Onion is an example for
Answer» UMBEL CORYMB HEAD SPIKE ANSWER :A

Discussion

13.	Question : One very special feature in the earthworm Pheretima is that
Answer» It has a long DORSAL TUBULAR heart FERTILISATION of eggs occurs inside the body The typhlosole greatly increases the effective absorption AREA of the digested FOOD in the intestine The S-shaped setate embedded in the integument are the defensive weapons used against the enemies Answer :C

Discussion

14.	Question : One turn of the helix in a B-form DNA is approximately
Answer» 0.34 NM 3.4 nm 2nm 20nm Answer :B

Discussion

15.	Question : One solenoid composed of:
Answer» 8-nucleosome 6-nucleosome 10-nucleosome 16-nucleosome Answer :B

Discussion

16.	Question : One single maize root apical meristem can give rise to more than
Answer» 17,500 NEW CELLS per min 17,500 new cells per hour 17,500 new cells per sec 17,000 new cells per min ANSWER :B

Discussion

17.	Question : One or more spherical bodies found in the matrix of nucleus are called
Answer» CHROMATIN NUCLEOPLASM Nucleoli Bar bodies Answer :C

Discussion

18.	Question : One of the tallest gymnosperm is
Answer» EUCALYPTUS PINUS Ginkgo Sequoia Answer :D

Discussion

19.	Question : One of the similarities between DNA and RNA is that both
Answer» Are polymers of nucleotides Are capable of replicating Have SIMILAR SUGARS Have similar pyrimidine bases ANSWER :A

Discussion

20.	Question : One of the representatives of Phylum Arthropoda is :
Answer» CUTTLEFISH SILVERFISH pufferfish flying FISH ANSWER :B

Discussion

21.	Question : One of the parts in the outermost ring of floral structures, forming a bud cover, is a:
Answer» SEPAL RECEPTACLE PETAL STAMEN SOLUTION :sepal

Discussion

22.	Question : One of the major components of cell wall of most fungi is
Answer» Chitin Peptidoglycan Cellulose Hemicellulose ANSWER :A

Discussion

23.	Question : One of the major components of cell wall of most fungi is …………………… .
Answer» CHITIN PEPTIDOGLYCAN CELLULOSE HEMICELLULOSE SOLUTION :Chitin

Discussion

24.	Question :Which of the following is a method of birth control?
Answer» by having coitus at the time of day break by a premature ejaculation during coitus abortion by taking an APPROPRIATE medicine by ABSTAINING from coitus from day 10 to 17 of the menstrual CYCLE. ANSWER :C

Discussion

25.	Question : One of the following units hepls the Rhizopus for perennation
Answer» chlamydospores ascosporse sporangiospores oidia Answer :A

Discussion

26.	Question : One of the following statement with respect to primary cell wall is wrong
Answer» It is seen in a young plant cell It is the first FORMED between middle LAMELLA and secondary wall It is capable of GROWTH It is present between middle lamellum and secondary wall ANSWER :B

Discussion

27.	Question : One of the following is selectively permeable
Answer» Tronoplast Suberised CELL wall Copper FERROCYANIDE membrane Cellulosic cell wall Answer :A

Discussion

28.	Question : One of the following is not the common disorder associated with digestive system.
Answer» TETANUS Diarrhoea Jaundice Dysentery Solution :Tetanus - It OCCURS DUE to contraction of MUSCULAR system that is not associated with digestive system.

Discussion

29.	Question : One of the following is not asexual spores produced in fungus
Answer» CONIDIOSPORES Sporangiospores Zoospores ZYGOSPORE ANSWER :D

Discussion

30.	Question : oneof thefollowing is notan essentialamnio acid ?
Answer» Tryptophanandvaline LYSINE and METHIONINE Leucineand ISOLEUCINE NONE of these Answer :D

Discussion

31.	Question : One of the following is not a supporting ecosystem services
Answer» NUTRIENT cycling Oxygen production Soil formation Climate regulation Answer :D

Discussion

32.	Question : One of the following is not a sexual spores produced in fungus
Answer» Oospores Ascospores Basidospores Zoospore ANSWER :D

Discussion

33.	Question : One of the following is not a common disorder associated with digestive system
Answer» Tetanus Diarrhoea Jaundice Dysentery Answer :A

Discussion

34.	Question : One of the following is absent in the phloem of monocots
Answer» Sieve tubes Parenchyma Companion CELLS FIBRES Answer :B

Discussion

35.	Question : One of the following is a very unique lcature of the mammals
Answer» HOMEOTHERMY Presence of diaphragam Four chambered HEART RIB cage SOLUTION :Presence of diaphragam

Discussion

36.	Question :One of the following is a symptom of amoebic dysentery
Answer» PRESENCE of UNINUCLEATE metacystic FORMS in faces Blood and mucous in faces Watery stools Presence of octanucleated cysts in faces Answer :B

Discussion

37.	Question : One of the following is a heterotrophic bryophyte?
Answer» Cryptothallus RICCIA Dawsonia Sphaerocarpus ANSWER :A

Discussion

38.	Question : One of the following is a Deuteromycetes.fungus
Answer» ASPERGILLUS Agaricus Alternaria Albugo Answer :C

Discussion

39.	Question : One of the following includes most closely linked organisms
Answer» SPECIES GENUS FAMILY CLASS ANSWER :A

Discussion

40.	Question : One of the following has effects similar to chlorofluorocarbons released by jet aeroplanes.
Answer» Methane Carbon tetrachloride Ethylene PAN Answer :B

Discussion

41.	Question : One of the following drug is not a hallucinogen
Answer» LSD Mescaline DATURA & Belladona Amphetamines Answer :D

Discussion

42.	Question : One of the examples of the action of the autonomous nervous system is
Answer» SWALLOWING of food pupillary REFLEX peristalsis of the intestine all of these Solution :Autonomous neural SYSTEM controls and coordinates the involuntary activites of VARIOUS organs. It regulates involuntary activities of the body , i.e., activities which are not under the will power of the ANIMAL, e.g. , swallowing of food, pupillary reflex, peristalsis of the intestine, etc.

Discussion

43.	Question : One of the examples of the action of the autonomous nervous system is:
Answer» PERISTALSIS of the INTESTINES knee-jerk response swallowing of food pupillary reflex Solution :peristalsis of the intestines

Discussion

44.	Question : One of the condition for osmosis is that two solutions of different concentrations should be separated. What is the other condition?
Answer» SOLUTION :PRESENCE of a SEMIPERMEABLE MEMBRANE,

Discussion

45.	Question : One of the common symptoms observed in people infected with dengue fever is
Answer» Significicant DECREASE in RBCs count Significant decrease in WBC count Significant decrease in PLATELETS count Significant INCREASE in platelets cpount Solution :Significant increase in platelets count

Discussion

46.	Question : One of the commonly used plant growth hormone in tea plantations is
Answer» Abscisic ACID Zeatin Indole - 3 - ACETIC acid Ethylene Answer :A::C::D

Discussion

47.	Question : One of the chief functions of smooth endoplasmic reticulum is
Answer» PROTEINS synthesis Lipid synthesis Enzyme production Microtubule production Answer :B

Discussion

48.	Question : One nanometer equals to ……………… metres.
Answer» `10^(-9)` `10^(-6)` `10^(-5)` `10^(-12)` ANSWER :A

Discussion

49.	Question : One molecule of haemoglobin carries molecules of oxygen(a) one(b) two(c) three(d) four
Answer» ONE two three four

Discussion

50.	Question : One haemoglobin carries how many molecules of O_(2) ?
Answer» FOUR TWO EIGHT Six Answer :A

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : Opening of flowers in the inflorescence of carrot

Question : Opening in the core tissue which permit exchange of gas between atmosphere and internal tissue is called

Question : Opening and closing of stomata is due to the : -

Question : Open type of circulatroy system is seen in all ofthe following except

Question : Give reasons for the following.1 . Respiratory and circulatory system are absent in parasitic platyhelminthes and Aschelminthes. 2. Arthropods are the most successful invertebrate. 3. Body of endoparasites are covered with cuticle.

Question : Open blood vascular syste is present in

Question : Ootheca is secreted by ........... gland.

Question : Oogamy is seen in I) Volvox II) All species of chlamydomonas III) Spirogyra IV) Fucus

Question : Only primary cell wall is present in the cells of

Question : Onion root tip cells have 16 chromosomes in each cell. Can you tell how many chromosomes will the cell have at G_1 phase, after S phase, and after M phase? Also, what will be the DNA content of the cells at G_1, after S, and at G_2. If the content after M phase is 2C ?

Question : Only living cells among Xylem elements are. . . . . . . . .

Question :Onion is an example for

Question : One very special feature in the earthworm Pheretima is that

Question : One turn of the helix in a B-form DNA is approximately

Question : One solenoid composed of:

Question : One single maize root apical meristem can give rise to more than

Question : One or more spherical bodies found in the matrix of nucleus are called

Question : One of the tallest gymnosperm is

Question : One of the similarities between DNA and RNA is that both

Question : One of the representatives of Phylum Arthropoda is :

Question : One of the parts in the outermost ring of floral structures, forming a bud cover, is a:

Question : One of the major components of cell wall of most fungi is

Question : One of the major components of cell wall of most fungi is …………………… .

Question :Which of the following is a method of birth control?

Question : One of the following units hepls the Rhizopus for perennation

Question : One of the following statement with respect to primary cell wall is wrong

Question : One of the following is selectively permeable

Question : One of the following is not the common disorder associated with digestive system.

Question : One of the following is not asexual spores produced in fungus

Question : oneof thefollowing is notan essentialamnio acid ?

Question : One of the following is not a supporting ecosystem services

Question : One of the following is not a sexual spores produced in fungus

Question : One of the following is not a common disorder associated with digestive system

Question : One of the following is absent in the phloem of monocots

Question : One of the following is a very unique lcature of the mammals

Question :One of the following is a symptom of amoebic dysentery

Question : One of the following is a heterotrophic bryophyte?

Question : One of the following is a Deuteromycetes.fungus

Question : One of the following includes most closely linked organisms

Question : One of the following has effects similar to chlorofluorocarbons released by jet aeroplanes.

Question : One of the following drug is not a hallucinogen

Question : One of the examples of the action of the autonomous nervous system is

Question : One of the examples of the action of the autonomous nervous system is:

Question : One of the condition for osmosis is that two solutions of different concentrations should be separated. What is the other condition?

Question : One of the common symptoms observed in people infected with dengue fever is

Question : One of the commonly used plant growth hormone in tea plantations is

Question : One of the chief functions of smooth endoplasmic reticulum is

Question : One nanometer equals to ……………… metres.

Question : One molecule of haemoglobin carries molecules of oxygen(a) one(b) two(c) three(d) four

Question : One haemoglobin carries how many molecules of O_(2) ?