Federal Board 2017
(Objective Type)
Biology
Inter part 2
Time Allowed: 20 Minutes
Maximum Marks: 17
NOTE: You have four choice 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 circle. Cutting or filling two or more circles will result in zero mark in that question. Attempt as many questions as given in objective type questions papers and leave others blank. No credit will be awarded in case. BUBBLE are not filled. Do not solve questions on this sheet of OBJECTIVE PAPER.

• Synthesis of nitrogenovis wastes like NH₃ urea and uric acid the function of:

A. Kidney
B. Liver
C. Stomach  
D. Spleen

• Metanephridia are excretory structure in:

A. Pianaria
B. Earthworm
C. Cockroach
D. Man

• The movement in response to touch is called

A. Phototropism
B. Chemotropism
C. Thigmotropism
D. Geotropism

• Muscle fatigue is caused by:

A. CO₂
B. Accumulation of Lactic acid
C. Ethyl alcohol
D. Fumaric acid

• Which one of the following is responsible for delay in ageing of fresh leaf crops as well as keeping flowers fresh?

A. Ethene
B. Abscisic acid
C. Cytokinins
D. Auxins

• In humans, how many pairs of cranial nerves are there:

A. 10
B. 12
C. 14
D. 20

• Gastrin is the hormone produced by the:

A. Liver
B. Pancreas
C. Stomach
D. Kidney

• Evolution of pollen tube is an important step in land adaptation by the:

A. Bryophytes
B. Thallophytes
C. Spermatophytes
D. Pteridophytes

• How many nucleotides are present in a codon?

A. One
B. Two
C. Three
D. Four

• Who experimentally proved that DNA replicates in a semi-conservative manner?

A. Watson and Crick
B. Meselson Stahl
C. Hershey and Martha Chase
D. Karl Correns

• Branch of Biology which deals with the study of ageing is called:

A. Parasitology
B. Gerontology
C Teratology
D. Ecology

• Non-Disjunction takes place during:

A. Mitosis
B. Budding
C. Meiosis
D. Binary fission

• Certain genes do not settle peacefully on their loci, they keep on hopping on different loci on the same chromosome or other chromosomes and hence are called as:

A. Lost genes
B. Fixed genes
C. Jumping genes
D. Migrated genes

• Severe Combined Immunodeficiency Syndrome (SCID) is treated by:

A. Radiotherapy
B. Chemotherapy
C. Physiotherapy
D. Gene therapy

• Who presented the book "The Origin of Species"?

A. Wallace
B. Mendel
C. Darwin
D. Lamarck

• In xerosere succession which is the third stage?

A Crustose lichen stage
B. Moss stage
C. Foliage stage
D. Herbaceous stage

• Grassland present in the temperate climates are also called as:

A. Tundra
B. Desert
C. Prairies
D. Coniferous forest

INTER PART 2
Federal board 2017
(Subjective Type)
(Marks 42)
Time allowed: 2:35 Hours
Total Markss
Section B & C: 68

Q.2 Answer any FOURTEEN parts.

• What is Pyrexia?
  
• What is Sciatica?
  
• Write a short rote on Neurons?
  
• What do you know about gastrulation?
  
• What was the work of Hans Dietrisch?
  
• What are the various stages of interphase?
  
• What is phenylketonuria?
  
• What do you know about tumors?
  
• Describe briefly Mongolism?
  
• What do you understand from cystic fibrosis?
  
• How is sexual dimorphism exhibited in Drosophtia?
  
• What is ecology? Differentiate between Autecology and Synecology.
  
• What do you know about the biotic components of an ecosystem?
  
• Which idea is known as endosymbiont hypothesis?
  
• Why the trees are called environmental buffers?
  
• What are cerebral hemispheres?
  
• Write short note on uremia?
  
• What is partial dominance?
  
• What is the percentage of different types of haemophilia?

SECTION - C

Note: Attempt any TWO questions. All questions carry equal marks. (Marks 26)   

Q. 3 a. Explain Locomotion in Paramecium.
b. What is learning behavior? Describe in detail the various types classified by Thorpe

Q. 4 a. What are biogeochemical cycles? Describe the nitrogen cycle in detail.
b. Classify the chromosomes depending upon the location of centromere.

Q. 5 a. Define Mendel's law of independent assortment. Explain it with an example.
b. Describe the factors affecting gene frequency.