INTERMEDIATE PART-II (12th CLASS)
BIOLOGY PAPER-II
(NEW SCHEME)
TIME ALLOWED: 20 Minutes
OBJECTIVE
MAXIMUM MARKS: 17
Note: You have four choices for each objective type question as A, B, C and D. The choice which you think is correct, fill that circle in front of that question number. Use marker or pen to fill the circles. Cutting or filling two or more circles will result in zero mark in that question. Attempt as many questions as given in objective type question paper and leave others blank. No credit will be awarded in case BUBBLES are not filled. Do not solve question on this sheet of OBJECTIVE PAPER.
Question#1
- Mammalian kidney including human is adapted to conserve water up to:-
(A) 5 %
(B) 79.5 %
(C) 89.5 %
(D) 99.5 %
- Fresh water protozoans pump out excess water by:-
(A) Contractile vacuole
(B) Food vacuole
(C) Pinocytosis
(D) Phagocytosis
- The process of moulting is controlled by the nervous system and a hormone called:-
(A) Aldosterone
(B) Androgen
(C) Ecdysone
(D) Oxytocin
- The membrane that bounds vacuole is called:-
(A) Epiblast
(B) Tonoplast
(C) Chloroplast
(D) Hypoblast
- Diffused nervous system is found in:-
(A) Poriferans
(B) Platyhelminthes
(C) Cnidarians
(D) Annelids
- _____ is a long day plant.
(A) Soyabean
(B) Henbane
(C) Tomato
(D) Cucumber
- Photoperiod affects flowering when shoot meristems start producing:-
(A) Floral buds
(B) Leaves
(C) Lateral buds
(D) Branches
- The cavity formed between somatic and splanchnic mesoderm is:-
(A) Archenteron
(B) Hansen’s node
(C) Coelom
(D) Neurocoel
- The particular array of chromosomes that an individual possesses is called:-
(A) Genotype
(B) Phenotype
(C) Wild type
(D) Karyotype
- Cancer is caused mainly by mutation in:-
(A) Somatic cells
(B) Malignant cells
(C) Sex cells
(D) Reproductive cells
- During cell division the nuclear division is called:-
(A) Cytokinesis
(B) Karyokinesis
(C) Karyotype
(D) Plasmolysis
- ABO blood group system was discovered by:-
(A) Landsteiner
(B) Levine
(C) Bernstein
(D) Wald Ayer
- A full set of genes of an individual is called its:-
(A) Genome
(B) Gene pool
(C) Genomic library
(D) Recombinant DNA
- A localized group of individuals belonging to the same species is called as:-
(A) Community
(B) Population
(C) Ecosystem
(D) Biosphere
- Change in frequency of alleles at a locus that occurs by chance, is called:-
(A) Mutation
(B) Genetic drift
(C) Migration
(D) Selection
- The biomes which has been increased in area by human activities:-
(A) Grassland
(B) Tundra
(C) Desert
(D) Coniferous forests
- Establishment of new forests, where no forests existed before is called:-
(A) Deforestation
(B) Desertification
(C) Reforestation
(D) Afforestation
INTERMEDIATE PART-II (12th CLASS)
BIOLOGY PAPER-II
(NEW SCHEME)
TIME ALLOWED: 3.10 Hours
SUBJECTIVE
MAXIMUM MARKS: 83
NOTE: - Write same question number and its part number on answer book, as given in the question paper.
SECTION-I
2. Attempt any eight parts. 8 × 2 = 16
- Define Glomerular Filtrate.
- What are Heat-Shock Proteins?
- Define Painting with one example.
- What is Rigor Mortis?
- How muscle fatigue is produced?
- Differentiate between Tendon and Ligament.
- Define Geronotology.
- What is Blastoderm?
- Differentiate between Apoptosis and Necrosis.
- Define Metastasis.
- Define Theory of Special Creation.
- What do you know about Hydrothermal Vent?
3. Attempt any eight parts. 8 × 2 = 16
- What are Neurotransmitters? Give two examples.
- Define Neuroglia with its function.
- What are Pacinian Corpuscles?
- What is after birth?
- Define Diploid Parthenogenesis with example.
- Define Fruit set.
- What is Probe?
- Write two uses of PCR.
- Differentiate between Phytoplankton and Zooplankton.
- Write two adaptations for terrestrial ecosystem.
- Differentiate between health and disease. (xii) What are industrial effluents?
4. Attempt any six parts. 6 × 2 = 12
- Differentiate between Euchromatin and Heterochromatin.
- What is Phosphodiester Bond?
- Differentiate between Template and Coding Strand.
- Define Linkage.
- Differentiate between Sex Chromosomes and Autosomes.
- What is Sex Limited Trait?
- Differentiate between Primary and Secondary Succession.
- What are decomposers?
- Define grazing.
SECTION-II
NOTE: - Attempt any three questions. 8 ×3 = 24
Question#5
(a) Explain Urinary System of Human. 4
(b) Write note on Greenhouse Effect. 4
Question#6
(a) Describe Ultrastructure of Myofilament of skeletal muscle. 4
(b) Explain the evidence of evolution from Embryology. 4
Question#7
(a) Write down detailed note on Adrenals. 4
(b) Give an account of Nitrogen Cycle. 4
Question#8
(a) Explain the process of Cloning. Give its uses and advantages. 4
(b) Write a note on Genetic Code. 4
Question#9
(a) Write a note on Growth Correlations. 4
(b) Define Epistasis and explain it with Bombay Phenotype. 4
SECTION-III
(PRACTICAL)
10. Attempt any three parts.
(A) Make a sketch and label the male reproductive system of frog. 5
(B) Make the labelled diagram of hind limb of frog. 5
(C) Write an experiment to demonstrate the phenomenon of Geotropism in plants. 5
(D) Write an experiment to observe the telophase stage of mitosis in a dividing cell. 5
(E) Write short answers of the following:- 5
(i) Define Autecology.
(ii) What are biotic components of an ecosystem?
(iii) Define Cell Cycle.
(iv) Which type of muscles are present in the walls of heart?
(v) What is Sarcomere?