PUC II Year Biology Mid-Term Question Papers 2023-2024 PDF

AS PER NEW PATTERN 2023-2024 PUC II YEAR BIOLOGY COLLECTION OF DIFFERENT DISTRICT MID TERM EXAMINATION 2023-2024 QUESTION PAPERS By : NAME ; ANAND KABBUR MOBIL...

AS PER NEW PATTERN 2023-2024 PUC II YEAR BIOLOGY COLLECTION OF DIFFERENT DISTRICT MID TERM EXAMINATION 2023-2024 QUESTION PAPERS By : NAME ; ANAND KABBUR MOBILE : 9738237960 KABBUR PUBLICATIONS SAVADATTI 9738237960  - ಅ಩ಪಣೆ - ವಿವಿಧ ಜಿಲ್ೆೆಯ ವಿದ್಺ಾರ್ಥಪಗಳು ಅವರ ಜಿಲ್ೆೆಯಲ್ಲೆ ಩ರೀಕ್ಷೆಗಳು ಮುಗಿದ ತಕ್ಷಣ, ಩ರಶ್ೆೆ ಩ತ್ರರಕೆಗಳನೆ photo ಅಥವ಺ pdf ಮ಺ಡಿ ನನಗೆ ಕಳುಹಿಸುತ್ರದದರು, ಅವೆಲ್ೆವುಗಳನೆ ಒಂದ್ೆೀ ಕಡೆ Collect ಮ಺ಡಿಕೆ ಂಡು ನ಺ನು ನಿಮಗೆ ಈ QUESTION PAPER MATERIAL ನ ತಲ್ುಪಿಸುತ್ರಿದ್ೆದೀನೆ, ಆದಕ಺ರಣ ಈ COLLECTION OF DIFFERENT DISTRICT QUESTION PAPERS MATERIAL ನ ನ಺ನು ವಿದ್಺ಾರ್ಥಪಗಳಿಗೆ ಅಪಿಪಸುತ್ರಿದ್ೆದೀನೆ. ಈ Material ವಿದ್಺ಾರ್ಥಪಗಳಿಗ ಮತುಿ ಉ಩ನ಺ಾಸಕರಗ ಸಹ಺ಯ ಆಗಬಹುದು. ಯ಺ವುದ್಺ದರ ಜಿಲ್ೆೆಯ ಩ರಶ್ೆೆ ಩ತ್ರರಕೆ ಇದರಲ್ಲೆ ಇರಲ್ಲಲ್ೆ ಅಂದ್ೆರ, ನನೆ WhatsApp number 9738237960 ಆ ಜಿಲ್ೆೆಯ ಩ರಶ್ೆೆ ಩ತ್ರರಕೆಗೆ ಕಳುಹಿಸಿ, ಅದನೆ ಈ pdf ಗೆ ಸೆೀರಸೆ ೀಣ. ಯ಺ವುದ್಺ದರ ಅನಿಸಿಕೆಗಳನೆ ಅಥವ಺ ಸಲ್ಹೆಗಳನೆ ನನಗೆ ನಿೀಡಬೆೀಕು ಎನಿಸಿದರೆ ನನೆ phone number 9738237960 ಗೆ ತ್ರಳುಹಿಸಬಹುದು. KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL IC AT IO N S Yo uT ub e C ha nn el ,C on ta ct 97 38 23 79 60 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL IC AT IO N S Yo uT ub e C ha nn el ,C on ta ct 97 38 23 79 60 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 For More Study Materials Subscribe to KABBUR PUBLICATIONS YouTube Channel 0 96 37 82 73 t9 c ta on ,C el nn ha C e ub uT Yo S N IO AT C I BL PU R U BB KA KABBUR PUBLICATIONS YouTube Channel, Contact 9738237960 For More Study Materials Subscribe to KABBUR PUBLICATIONS YouTube Channel 0 96 37 82 73 t9 c ta on ,C el nn ha C e ub uT Yo S N IO AT C I BL PU R U BB KA KABBUR PUBLICATIONS YouTube Channel, Contact 9738237960  Ballary Rudrappa Education Society (R) BALLARY RUDRAPPA RESIDENTIAL P.U. SCIENCE COLLEGE, MOTEBENNUR, Tq : BYADAGI MID-TERM EXAMINATION – 2023-24 SUBJECT : BIOLOGY SUBJECT CODE : 36 CLASS: PUC II Marks : 70 Time : 3 Hr 15 General Instructions This Question paper consists of four parts 𝐴, 𝐵, 𝐶, 𝐷 Part-A consists of I and II and part D consists of two parts, section-V and -VI All the parts are compulsory. Draw diagrams wherever necessary unlabelled diagrams do not carry any marks. 0 96 PART-A 37 I. Select the correct alternative from the choices given below. [𝟏 × 𝟏𝟓 = 𝟏𝟓] 82 73 1. The outermost and innermost wall layers of microsporangium in an anther are, respectively. t9 A) Endothecium and tapetum B) Epidermis and endodermis c C) Epidermis and middle layer D) Epidermis and tapetum ta 2. Which of the given statements are true? on I. During the development of a dicot embryo, heart-shaped embryo is followed by globular embryo. ,C II. The part of embryonal axis above the level of cotyledons is epicotyl while the part below the level of cotyledons is hypocotyl. el nn III. Monocot seeds possess a single cotyledon represented by scutellum. ha A) I and II B) II and III C) I and III D) I, II and III C 3. In case of a couple, where the male is having a very low sperm count, which technique will be suitable for e ub fertilization? uT A) Intrauterine transfer B) Gamete intracytoplasmic fallopian transfer Yo C) Artificial insemination D) Intracytoplasmic sperm injection. 4. Which one from those given below is the period of Mendel’s hybridisation experiments? S A) 1856-1863 B) 1840-1850 N IO C) 1857-1869 D) 1870-1877 AT 5. The final proof for DNA as the genetic material came from the experiments of IC A) Griffith B) Hershey and chase BL C) Avery, Macleod and McCarty D) Har Gobind Khorana. 6. According to Oparin, which one of the following was not present in the primitive atmosphere of the earth. PU A) Methane B) Oxygen R C) Hydrogen D) Water vapour. U 7. Transplantation of tissue/organs fails often due to non-acceptance by the patient’s body. Which type of BB immune-response is responsible for such rejections? KA A) Autoimmune response B) Cell-mediated immune response C) Hormonal immune response D) Physiological immune response 8. Which one of the following conditions correctly describes the manner of determining the sex in the given example? A) 𝑋𝑂 type of sex chromosomes determine male sex in grasshopper. B) 𝑋𝑂 condition in humans as found in Turners syndrome determine female sex C) Homozygous sex chromosomes (𝑋𝑋) produce male in drosophila. D) Homozygous sex chromosomes (𝑍𝑍) determine female sex in birds 9. Match the following columns Column – I Column -II a. Aspergillus Niger 1. Lactic acid 1  b. Acetobacter aceti 2. Butyric acid c. Clostridium butylicum 3. Acetic acid d. Lacto bacillus 4. Citric acid Codes: A B C D a) 2 3 4 1 b) 2 4 3 1 c) 4 3 2 1 d) 4 1 3 2 10. DNA dependent RNA polymerase catalyses transcription on the strand of the DNA which is called the A) Template strand B) Coding strand C) Alpha strand D) Anti-strand. 0 11. Which of the following stages of spermatogenesis involves meiotic division? 96 A) Multiplication stage B) Growth stage 37 C) Maturation stage D) None of these. 82 12. The contraceptive ‘SAHELI’ 73 A) Is an IUD t9 B) Increases the concentration of oestrogen and prevents ovulation in females. c C) Blocks oestrogen receptors in the uterus, preventing eggs from getting implanted. ta on D) Is a post-coital contraceptive. ,C 13. The chronological order of human evolution from early to the recent is A) Australopithecus → Ramapithecus → Homo habilis → Homoerectus el nn B) Ramapithecus → Australopithecus → Homo habilis → Homoerectus ha C) Ramapithecus → Homo habilis → Australopithecus → Homoerectus D) Australopithecus → Homo habilis → Ramapithecus → Homoerectus C e 14. Which of the following depresses brain activity and produces feeling of calmness, relaxation and drowsiness? ub A) Valium B) Morphine uT C) Hashish D) Amphetamines. Yo 15. The sporozoites that cause infection when a female anopheles mosquito bites a human being are formed in A) Liver of human B) RBC’S of mosquito S N C) Salivary glands of mosquito D) Intestine of human. IO II. Fill in the blanks by choosing the appropriate word/ words from those given below [𝟏 × 𝟓 = 𝟓] AT [Phylogeny, Paleontology, template strand, coding strand, Polygenic inheritance, point mutation, ejaculatory IC BL duct, sertolicells, Granulosa cells of ovarian follicle]. PU 16. Evolutionary history of an organism is known as ________________ 17. DNA dependent RNA polymerase catalyses transcription on the strand of the DNA which is called the R U _____________ BB 18. Inheritance of skin colour in humans is an example of ______________ KA 19. The vas deferens receives duct from the seminal vesicle and opens into urethra as _____________ 20. In females, inhibin is secreted by _______________ PART-B III. Answer any FIVE of the following questions in 3-5 sentences wherever applicable [𝟓 × 𝟐 = 𝟏𝟎] 21. What is BOD? How BOD is playing an important role during sewage water treatment. 22. Draw a labelled diagram of a mature pollen grain. 23. Mention the differences between spermiogenesis and spermiation. 24. What is amniocentesis? How is it misused? 25. State a difference between a gene and an allele. 2 26. Name the negativity charged and positivity charged components of a nucleosome. 27. What is meant by gene pool? 28. What is an autoimmune disease? Give an example. PART-C IV. Answer any five of the following questions in 40-80 worlds each wherever applicable. [𝟓 × 𝟑 = 𝟏𝟓] 29. Mention one application for each of the following A) Antihistamine B) Colostrum C) Passive immunisation 30. Explain the structure of mature embryo sac in a flowering plant. 31. Draw a sectional view of human ovary and label the following parts. A) Primary follicle B) Secondary oocyte 0 96 C) Graafian follicle D) Corpus luteum 37 32. How do copper and hormone releasing IUD’s act as contraceptives? Explain. 82 73 33. Write the scientific name of the fruit fly. Why did Morgan prefer to work with fruit flies for his experiment t9 state any three reasons? c ta 34. Explain Hershey-chase experiment. on 35. Explain adaptive radiation with the help of suitable example. ,C 36. Mention a product of human welfare obtained with the help of each one of the following microbes. el nn A) LAB B) Saccharomyces cereviseae ha C) Propioni bacterium shermani D) Aspergillus Niger C E) Clostridium butylicum F) Acetobacter aceti e ub PART-D uT SECTION - I Yo V. Answer any four of the following questions in about 200-250 worlds each wherever applicable. [𝟓 × 𝟒 = 𝟐𝟎] S 37. Explain the sewage treatment of water. N IO 38. Describe the structure of a mature microsporangium with a neat labelled diagram. AT 39. Draw a neat labelled diagram of female Reproductive system. IC 40. List the characteristics of an ideal contraceptive. BL 41. Explain polygenic inheritance with the help of a suitable example. PU 42. Describe the process of transcription in Eukaryotic cell. R 43. With the diagrammatic representation explain Miller’s experiment. U BB 44. Explain life cycle of plasmodium vivax causing Malaria disease with a neat diagram. KA SECTION - II VI. Answer any one of the following questions in about 200-250 worlds each wherever applicable. [𝟓 × 𝟏 = 𝟓] 45. With a neat labelled diagram explain the replication of retro virus. 46. Explain the dihybrid cross in pea plant with a schematic representation. 47. Explain the Lac operon. 3  SANKALP ACADEMY MID TERM MODEL PAPER – 2023 SUBJECT: BIOLOGY DURATION: 3 HOURS MARKS: 70 PART A I. CHOOSE THE CORRECT ANSWER FROM THE CHOICES GIVEN BELOW. 1X15=15 1. Pollens are stored in (a) Oxygen (–196°C) (b) Nitrogen (–196°C) (c) Oxygen (196°C) (d) Nitrogen (+196°C) 2. All are examples of albuminous seeds except (a) Wheat (b) Sunflower (c) Castor (d) Groundnut 0 96 3. Endosperm persist in mature seed of 37 (a) Pea, castor and coconut (b) Castor and coconut 82 (c) Pea and beans (d) Groundnut and castor 4. The scrotum helps in maintaining a temperature lower than the internal body temperature. 73 (a) 1 to 1.5°C (b) 2 to 2.5°C 9 (c) 3 to 3.5°C (d) 4 to 4.5°C ct ta 5. The layer of uterine tissues responsible for strong contractions during childbirth is on (a) Perimetrium (b) Mesometrium ,C (c) Mesoderm (d) Myocardium 6. At what stage of life the oogenesis process is initiated el (a) Puberty (c) Birth nn (b) Embryonic development stage (d) Adult ha 7. Which of the following is put into anaerobic sludge digester for further sewage treatment? C (a) Floating debris (b) Effluents of primary treatment e ub (b) Activated sludge (d) Primary sludge uT 8. Which of the following sexually transmitted diseases is not completely curable? (a) Gonorrhoea (b) Genital Warts Yo 9. If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it? S (a) 20% (b) 40% N (c) 30% (d) 60% IO 10. Under HGP, the largest known human gene was of AT (a) Somatotropin (b) Dystrophin IC (c) Insulin (d) Somatostatin BL 11. Who proposed the theory of chemical evolution for the firsttime? PU (a) Oparin and Haldane (b) Miller (c) Louis Pasteur (d) Darwin R 12. Homologous organ represents U BB (a) Convergent evolution (b) Divergent evolution (c) Anthropogenic evolution (d) Genetic drift KA 13. The most serious form of malaria, malignant malaria is caused by (a) P. falciparum (b) P. vivax (c) P. malariae (d) All of these 14. The immunity conferred by B-lymphocytes is also known as (a) Immediate (b) Histological (c) Humoral (d) Cell-mediate 15. Cirrhosis of liver is caused by the chronic intake of (a) Opium (b) Alcohol (c) Tobacco (chewing) (d) Cocaine II. FILL IN THE BLANKS WITH APPROPRITE ANSWER. 1X5=5 [ Oxytocin, Splicing, ELISA, Free nuclear, Vasectomy] 16. Coconut water is ________ part of endosperm. 17. Doctors use to inject ____________ to induce delivery. 18. Surgical contraceptive method in male is ___________. 19. The intervening sequences in the primary transcript of mRNA are removed by________. 20. Diagnostic test for AIDS is_________. PART B III. ANSWER ANY FIVE OF THE FOLLOWING. 2X5=10 21. Define polyembryony? Give an example. 0 22. Mention four wall layers of microsporangium. 96 23. Write the accessory ducts found in male reproductive system. 37 24. Write two required grounds for medical termination of pregnancy. 82 25. What is point mutation? Give one example. 73 26. Write the two basic amino acid residues that are rich in histones. 9 ct 27. What are analogous organs? Give two examples. ta 28. What are the side effects of use of anabolic steroids in female? on PART C ,C IV. ANSWER ANY FIVE OF THE FOLLOWING. 3X5=15 el 29. a. What are chasmogamous flowers? b. Explain pollination in vallisneria. nn (1+2) ha 30. Write a neat schematic diagram of typical anatropous ovule. C 31. State the functions of a. Corpus luteum b. Acrosome c. Fimbriae e ub 32. What are the types of disease Thalassemia? Name the genes on chromosomes which control both uT the types of thalassemia. Yo 33. What is the working principle of IUD’s in contraception? List the types of IUD’s with one S example to each. N 34. Define and design a test cross. IO 35. What are the three major types of RNA? State a function of each type of RNA in protein AT synthesis. IC 36. Draw diagrammatic representation of Miller’s experiment. BL PART D PU V. ANSWER ANY FOUR OF THE FOLLOWING. 5X4=20 R 37. What is megasporangium? Explain the development of 8- nucleate embryo sac in flowering U plants. BB 38. Draw a neat labeled diagram of female reproductive system in human. KA 39. What are contraceptives? Explain four different non- surgical contraceptives. 40. Schematically represent the inheritance of two genes in pea plant with reference to seed colour and shape. 40. Define a. Linkage b. pleiotropy c. Aneupliody d. Codominance e. Recombination. 41. Write five salient features of Double helix structure of DNA. 42. Mention five salient features of human genome project. 43. a. Explain the role of the organism as biocontrol agents. b. What is significance of BOD? Give an example for a fungus found in mycorrhiza. 44. a) Define immunity and name two different types of immunity. b) Draw a neat labelled diagram of structure of an antibody molecule. KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0 KA BB U R PU BL I C AT IO N S Yo uT ub e C ha nn el ,C on ta ct9 73 82 37 96 0