24277 + Interview Questions in Biology in Class 12

1.	Question : which character is not associated with plant where shull studied inbreeding depression while miller and lethan extracted a hormone from its seeds
Answer» ATACTOSTELE in stem bundle sheath in leaf chromosome number 30 in endosperm medulla ABSENT in root. Solution :Maize

Discussion

2.	Question : Which cells supply nourishment to developing sperms ?
Answer» ANSWER :Sertoli CELLS

Discussion

3.	Question : Which cells secrete perforin and what is its function?
Answer» SOLUTION :Killer-T cells or cytotoxic-T cells SECRETE PERFORIN which PRODUCE hole in infected cells.

Discussion

4.	Question : Which cells secrete dentine?
Answer» ANSWER :ODONTOBLASTS

Discussion

5.	Question : Which cells secrete pepsin in stomach?
Answer» ANSWER :ZYMOGEN CELLS

Discussion

6.	Question : Which cells secrete coherin? What is the function of coherin?
Answer» Solution :Coherin is the HORMONE SECRETED by hypothalamic NEURONS that brings about PROLONGED, rhythmic integrated contractions of the jejunum.

Discussion

7.	Question : Which cells provides nutrition to sperm cells?
Answer» Leydig CELL Sertoli cell GAMETE cell INTERSTITIAL cell Answer :B

Discussion

8.	Question : Which cells provide nutrition to the developing sperms in seminiferous tubules ?
Answer» SOLUTION :Sertoli CELLS

Discussion

9.	Question : Which cells provide grittiness in the pulp of fruits?
Answer» ANSWER :SCLEREIDS

Discussion

10.	Question : Which cells of the testis provide nourishment to the spermatozoa?
Answer» Sertoli cells Interstitial cells Graafian follicles Epithelial cells Answer :A

Discussion

11.	Question : Which cells of pancreas secrete hormones?
Answer» Solution :`ALPHA` cells, `beta` cells and `DELTA` cells from the ISLETS of LANGERHANS in the pancreas SECRETE hormones.

Discussion

12.	Question : Which cells of testis secrete androgens ?
Answer» ANSWER :INTERSTITIAL CELLS of LEYDIG

Discussion

13.	Question : Which cells of islet of Langerhans secrete insuliun ?
Answer» ANSWER :`BETA`- CELLS

Discussion

14.	Question : Which cells of Crypts of Lieberkuhn' secrete antibacterial lysozyme ?
Answer» ARGENTAFFIN CELLS Paneth cells ZYMOGEN cells Kupffer cells ANSWER :B

Discussion

15.	Question : Which cells of ·connective tissue secrete heparin ?
Answer» ANSWER :MAST CELL

Discussion

16.	Question : Which cells in the gastric glands secrete hydrochloric acid?
Answer» ANSWER :OXYNTIC CELLS

Discussion

17.	Question : Which cells of areolar tissue secrete white and yellow fibres?
Answer» ANSWER :FIBROBLAST

Discussion

18.	Question : Which cells from the endocrine part of testis ?
Answer» ANSWER :INTERSTITIAL /LEYDIG CELLS

Discussion

19.	Question : Which cells engulfs the parasitic molecules ?
Answer» MACROPHAGE BLOOD cells Mast cells Lymph cells Solution :Macrophage

Discussion

20.	Question : Which cells areresponsible for secreation of male sex hormone testosteron?
Answer» GERM cells Sertoli CELL Leydig.s cells NONE of these Answer :C

Discussion

21.	Question : Which cell organelle is related to oxidative phosphorylation ?
Answer» Chloroplast Golgi body Mitochondria ER Answer :C

Discussion

22.	Question : Which cell organelle is modified to form the acrosome? Name the chemical it secretes.
Answer» SOLUTION :GOLGI COMPLEX, SPERM lysins

Discussion

23.	Question : Which cell organelle is absent in human sperm ?
Answer» ER Mitochondria Nucleus Centrioles Answer :A

Discussion

24.	Question : Which cell organelle is absent in neuron ?
Answer» ANSWER :CENTROSOME

Discussion

25.	Question : Which cell of blood secrete histamine, serotonin and heparin ?
Answer» Acidophils Basophil Neutrophil Lymphocyte Answer :B

Discussion

26.	Question : Which cell of connective tissue, produce and secrete fibres ?
Answer» MAST cell Fibroblast Macrophage Adipocytes Answer :B

Discussion

27.	Question : Which cell junction help to stop substances from leaking across a tissue ?
Answer» GAP junction Tight junction Desmosomes All of these Answer :B

Discussion

28.	Question : Which cell is not present in connective tissue proper ?
Answer» Erthrocytes Lymphocytes Plasma cell Fibroblast Answer :A

Discussion

29.	Question : Which cell drain the lymph of lower limbs and trunk into the subclavian vein?
Answer» THORACIC DUCT RIGHT LYMPHATIC duct Right arterior artery Jugular vein Answer :D

Discussion

30.	Question : Which category of lymphocyte is produced Memory cellby T-cell and is absent in B-cells ?
Answer» MEMORY cell Plasma cell Suppressor cell Cartwheel cells Answer :C

Discussion

31.	Question : Which cell does not respire
Answer» RBC Sieve TUBE CELL Epidermal cell CORK cell. Solution :N//A

Discussion

32.	Question : Which cartilage is present at the end of long bones ?
Answer» CALCIFIED cartilage Hyaline cartilage Elastic cartilage Fibrous cartlage Answer :B

Discussion

33.	Question : Which category of adaptive immunity is provided by vaccination?
Answer» SOLUTION :ACTIVE IMMUNITY

Discussion

34.	Question : Which cancer is carcinoma types ?
Answer» EPITHELIAL TISSUE Connective tissue Blood Lymph SOLUTION : Epithelial tissue

Discussion

35.	Question : Which cancer can be diagnosed by 'PAP smear' test?
Answer» PROSTATE GLAND UTERUS Ulcer Kidney Solution :Uterus

Discussion

36.	Question : Which canal connects the Haversian canals in mammalian long bones ?
Answer» ANSWER :VOLKMANN's CANAL

Discussion

37.	Question : Which canal connects the cavity of the scrotal sac with the abdominal cavity ?
Answer» ANSWER :INGUINAL CANAL

Discussion

38.	Question : Which can be helpful to decrease the environmental pollution ?
Answer» Biofèrtilization PLANT TISSUE culture Apiculture SINGLE CELL PROTEIN Solution :Single Cell Protein

Discussion

39.	Question : How do you create code in Scratch?
Answer» COPY and PASTE CODE. Draw BLOCKS in the editor. Write code in the editor. Snap blocks together. Answer :D

Discussion

40.	Question : which bryophyte was employed in removing kidney stones?
Answer» Sphagnum Polytrichum commune Porella Funaria Answer :B

Discussion

41.	Question : Which bryophytes show indirect germination of spores in their life cycle ?
Answer» Liverworts Mosses Hornwort Both (1) & (3) ANSWER :B

Discussion

42.	Question : Which bryophyte was used as a surgical dressing during World war I?
Answer» Sargassum Funaria Sphagnum Porella Answer :C

Discussion

43.	Question : Which buds sprout under favourable conditions in sweet potato to produce leafy shoot?
Answer» Solution :The adventitious buds sprout under FAVOURABLE CONDITIONS in sweet POTATO to PRODUCE LEAFY shoots.

Discussion

44.	Question : Which breed of bufflaoes is most popular ?
Answer» MURRAH BHADAWARI JAFFRABADI surti Answer :A

Discussion

45.	Question :Which branch of biology does human welfare by microorganisms?
Answer» TECHNOLOGY DAIRY technology Agriculture GENETIC ENGINEERING Solution : Genetic Engineering

Discussion

46.	Question : Which book most impressed the opinion of taxonomists?
Answer» ENQUIRY into plants Origin of LIFE GENERA plantarum Origin of SPECIES ANSWER :D

Discussion

47.	Question : Which bone of forelimb is formed by ossification in tendon ?
Answer» Patella Calcaneum Pisiform Scaphoid Answer :C

Discussion

48.	Question : Which bone provide support to larynx and tongue?
Answer» Maxilla Frontal Hyoid Incus Answer :C

Discussion

49.	Question : Which bonds are formed between the complementary nucleotides of RNA present on template strand ?
Answer» ESTER BOND PHOSPHO diester bond HYDROGEN bond Phosphate bond Solution :Phospho diester bond

Discussion

50.	Question : Which bonds do Helicases break to unwind DNA ____
Answer» SOLUTION :HYDROGEN BONDS

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : which character is not associated with plant where shull studied inbreeding depression while miller and lethan extracted a hormone from its seeds

Question : Which cells supply nourishment to developing sperms ?

Question : Which cells secrete perforin and what is its function?

Question : Which cells secrete dentine?

Question : Which cells secrete pepsin in stomach?

Question : Which cells secrete coherin? What is the function of coherin?

Question : Which cells provides nutrition to sperm cells?

Question : Which cells provide nutrition to the developing sperms in seminiferous tubules ?

Question : Which cells provide grittiness in the pulp of fruits?

Question : Which cells of the testis provide nourishment to the spermatozoa?

Question : Which cells of pancreas secrete hormones?

Question : Which cells of testis secrete androgens ?

Question : Which cells of islet of Langerhans secrete insuliun ?

Question : Which cells of Crypts of Lieberkuhn' secrete antibacterial lysozyme ?

Question : Which cells of ·connective tissue secrete heparin ?

Question : Which cells in the gastric glands secrete hydrochloric acid?

Question : Which cells of areolar tissue secrete white and yellow fibres?

Question : Which cells from the endocrine part of testis ?

Question : Which cells engulfs the parasitic molecules ?

Question : Which cells areresponsible for secreation of male sex hormone testosteron?

Question : Which cell organelle is related to oxidative phosphorylation ?

Question : Which cell organelle is modified to form the acrosome? Name the chemical it secretes.

Question : Which cell organelle is absent in human sperm ?

Question : Which cell organelle is absent in neuron ?

Question : Which cell of blood secrete histamine, serotonin and heparin ?

Question : Which cell of connective tissue, produce and secrete fibres ?

Question : Which cell junction help to stop substances from leaking across a tissue ?

Question : Which cell is not present in connective tissue proper ?

Question : Which cell drain the lymph of lower limbs and trunk into the subclavian vein?

Question : Which category of lymphocyte is produced Memory cellby T-cell and is absent in B-cells ?

Question : Which cell does not respire

Question : Which cartilage is present at the end of long bones ?

Question : Which category of adaptive immunity is provided by vaccination?

Question : Which cancer is carcinoma types ?

Question : Which cancer can be diagnosed by 'PAP smear' test?

Question : Which canal connects the Haversian canals in mammalian long bones ?

Question : Which canal connects the cavity of the scrotal sac with the abdominal cavity ?

Question : Which can be helpful to decrease the environmental pollution ?

Question : How do you create code in Scratch?

Question : which bryophyte was employed in removing kidney stones?

Question : Which bryophytes show indirect germination of spores in their life cycle ?

Question : Which bryophyte was used as a surgical dressing during World war I?

Question : Which buds sprout under favourable conditions in sweet potato to produce leafy shoot?

Question : Which breed of bufflaoes is most popular ?

Question :Which branch of biology does human welfare by microorganisms?

Question : Which book most impressed the opinion of taxonomists?

Question : Which bone of forelimb is formed by ossification in tendon ?

Question : Which bone provide support to larynx and tongue?

Question : Which bonds are formed between the complementary nucleotides of RNA present on template strand ?

Question : Which bonds do Helicases break to unwind DNA ____