Bilogy Paper
(Objective Type)
Marks: 17
Inter (Part-ii)
Paper code 8463
Time 20 Minutes
Note: Four possible choices A,B,C,D to each question are given. Which choice is correct , fill that circle in front of that question number. Use marker or pen to fill the circles. Cutting two or more circles will result in zero mark in that question.

Question#1

• The total gestation period ( pregnancy ) is usually about:
  
  (A) 250 Days
  (B) 260 Days
  (C) 270 Days
  (D) 280 Days
  
  
• Water present in the form of Frozen 100-Cops is:
  
  (A) 1%
  (B) 2%
  (C) 3%
  (D) 4%
  
  
• Here, light is insufficient to support photosynthesis:
  
  (A) Littoral Zone
  (B) Limnetic Zone
  (C) Profundal Zone
  (D) Photoplankton Zone
  
  
• Lithosphere Includes:
  
  (A) Ehrth Soil
  (B) Air
  (C) Water
  (D) Gases
  
  
• Among the Scientists who believed in divine creation was --
  
  (A) Charles Darwin
  (B) Carolus Linnaeus
  (C) Alfred Wallace
  (D) Jean Lamarck
  
  
• pBR 322 has antibiotic resistance genes for:
  
  (A) Tetracycline and Ampicillin
  (B) Tetracycline Only
  (C) Ampicillin Only
  (D) Streptomycin Only
  
  
• Blue Cone Monochromacy is an x - linked trait in which
  
  (A) Red Cone Cells are absent
  (B) Green Cone Cells are absent
  (C) Both Red and -Green Cone Cells arc absent
  (D) Blue Cone Cells are absent
  
  
• Karyokinesis involves division of Nucleus and Cytokinesis refers to:
  
  (A) Division of Whole Cell
  (B) Division of Cytoplasm
  (C) Division of Centromere
  (D) Division of Cell Wall
  
  
• Post Mitotic Cell can exit the Cell Cycle during:
  
  (A) Go - Phase
  (B) G1 - Phase
  (C) S - Phase
  (D) G2 -Phase
  
  
• One 0f the given does not code for any aminoacid:
  
  (A) AUG
  (B) ACU
  (C) CAE
  (D) UAA
  
  
• Intercalary meristems are situated at
  
  (A) Root Apex
  (B) Shoot Apex
  (C) Base of Internode
  (D) Top of Internode
  
  
• The human embryo is referred to as the fetus, from beginning of
  
  (A) 3rd Month
  (B) 3rd Week
  (C) 6^th Month
  (D) 6^th Week
  
  
• Promotes closing of Stomata under conditions of water stress:
  
  (A) Edirne
  (B) Abscbic Acid
  (C) Gibberellins
  (D) Cytokinnins
  
  
• Haptonastic Movements occur in response to :
  
  (A) Contact
  (B) Chemical
  (C) Temperature
  (D) Water
  
  
• Angular Thickenings hi their primary walls are present in:
  
  (A) Parenchyma
  (B) Collenchyma
  (C) Sclcrenchyma
  (D) Trachieds
  
  
• The removal of sebum on the skin is for
  
  (A) Nutrition
  (B) Excretion
  (C) Protection
  (D) Thermoregulation
  
  
• Fresh water flatworms excrete:
  
  (A) Very Dilute Urine
  (B) Very Concentrated Urine
  (C) Slightly Concentrated Urine
  (D) Moderately Concentrated Urine

Biology
(Subjective)
Session (2012-14)(2013-15)(2014-16)
Inter (Part -ii)
Time : 3:10 Hrs
Note: It is compulsory to attempt(8 – 8)parts each from Q.No.2 and Q.No. 3 while attempt any 6 parts from Q. No.4 Attempt any (03) questions from Part ii while Attempt any three parts from Part iii (Practical Part).Write: same Question No. and its Part No. as given in the question paper. 22 x 2 = 44
Part-I

Question#2

• Give two adaptations of Xerophytes for Oamoregulation.
• Differentiate between Osmoconformers and Osraoregulators.
• What is Protonephridium?
• Give the types of Cartilage.
• What is Rickets?
• What is All or None - Response?
• What is Apical Dominance?
• Define Apical Meristem and Intercalary Meristem.
• What is Metastasis?
• Highlight the importance of Meiosis.
• What are Fossils? Where they are found?
• Differentiate Homologous and Analogous Organs.

Question#3

• What is meant by Division of Labour?
• What are Effectors? Give example.
• Differentiate between Diurnal Rhythms and Circannual.
• What is Vernalisation?
• What are Restriction Endonucleases?
• What is Oestrous Cycle?
• Write human impact on Tundra Ecosystem.
• what is
• What are Environmental Buffers?
• What is Biodiversity?
• Differentiate between Genetherapy and Angioplasty.
• Differentiate between Prairies and Savanna.

Question#4

• Differentiate between Population and Community.
• Define Hydrosere and Xerosere.
• Differentiate between Autecology and Synecology.
• What are Sex Chromosomes?
• Whet is meant by Karyotype?
• How Phosphodiester Bond formed?
• Define Gene and Genome.
• What is Gene Linkage?
• What are Polygene? How polygenic inheritance takes place?

Part-II

Question#5
(a) Describe Thermoregulatory Strategies in Mammals including human in cold temperature. (4)
(b) What is Acid Rain? Explain its effects on environment. (4)

Question#6
(a) Describe the structure of Skeletal Muscle. (4)
(b) Describe various factors affecting Gene Frequency. (4)

Question#7
(a) Explain Xerosere Succession Stages. (4)
(b) Explain Secretions and their role of anterior lobe Of Pituitary Gland. (4)

Question#8
(a) Explain the process of Birth in Human. (4)
(b) Describe Double Helical structure of DNA. (Watson and Crick's Model) (4)

Question#9
(a) Describe the role of Nucleus in Developmem. (4)
(b) Describe X0-- XX and XY — XX type patterns of sex determination. (4)

Part-III
(PRACTICAL PART)

Question#10
(a) Sketch and label male urinogenital system of Frog. (5)
(b) Sketch and Label Pelvic Girdle of Frog. (5)
(c) Write down the procedure tninvestigate soil texture. (5)
(d) Explain and sketch to investigate Mitosis in Plant Cell. (5)
(e) Write short answers of the followings: (5)

• Define Food Chain.
• What is role of Auxin?
• What is Polytene Chromosome?
• What are Xerophytes? Give example.
• Define Peripheral Nervous System.