Shaiwal BOARD 2017
(Objective Type)
Biology
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.

• Death of cells due to tissue damage is called:-

(A) Apoptosis
(B) Metastasis
(C) Cancer
(D) Necrosis

• Nucleosome occurs at every:-

(A) 2000 nucleotides
(B) 1200 nucleotides
(C) 200 nucleotides
(D) 150 nucleotides

• Apical dominance is caused by: -

(A) Auxin
(B) Ethane
(C) Cytorinin
(D) Gibberellins

• Labor pains are induced b:-

(A) Progesterone
(B) Oxytocin
(C) Estrogen
(D) FSH

• Fruit ripening is often accompanied by a burst of respiratory activity called as:

(A) Idioms
(B) Climeteric
(C) Diametric
(D) trimetric

• The simplest form-of learning behaviour is:-

(A) Imprinting
(B) Insight learning
(C) Habituation
(D)Latent learning  

• Which one of the following is a plantigrade?

(A) Rabbit
(B) Monkey
(C) Goat
(D) Deer

• The upper surface of leaves in bud conditions shows

(A) Photonasty
(B) Hyponasty
(C) Haptonasty
(D) Epinasty

• The human abdominal easily lined by a thin epithelium is called:-

(A) Peritoncum
(B) Ectoderm
(C) Endoderm
(D) Epidermis

• The excretory product that requires maximum water for its removal bis   

(A) Urea
(B)  Uric acid
(C) Ammonia  
(D) Creatinine

• Ozone is the upper layer of atmosphere that filters

(A) UV radiations
(B) Alpha radiations
(C) Beta radiation
(D) Gamma Alpha

• A little light is left to power photosynthesis at the depth of:

(A) 600 feet
(B) 300 feet
(C) 400 feet
(D) 200 feet

• Herbaceous stage in xerosere is the:-

(A) First stage
(B) Fourth stage
(C) 3rd stage
(D) 5th stage

• Endangered species of plants bane been recorded to more than:-

(A) 600
(B) 700
(C) 550
(D) 500  

• The enzymes which are used to cut the gene of interest arc known as.

(A) DNA polymerase
(B)  RNA polymerase
(C) Restriction endonucleases
(D) DNA ligase

• ABO blood group was as discovered by:-

(A) Carl Correns
(B) Karl Landsteiner
(C) Mendel
(D) Darwin  

• During cell division the nuclear division is called as:-

(A) Koryokinesis
(B) Cytokinesis
(C) Karyotype
(D) Deplasmolysis

Shaiwal BOARD 2017
INTER PART 2
(Subjective Type)
Time 2.40 Hours
Group-I
Maximum Marks: 68

NOTE: - Write same question number and its part number on answer book, as given in the question paper.

2. Attempt any eight parts.

• Draw and label the structure of a single flame cell.
  
• Differentiate between ureotelic and uricotelic animals.
  
• What is the function of bile?
  
• Which tissues arise from vascular cambium?
  
• Differentiate between epinasty and hyponasty.
  
• Compare photonasty with thermonasty.
  
• Enlist method asexual reproduction.
  
• How does genital Herpes occur?
  
• What is menupause?
  
• Enlist some dominant plants that occur in temperate deciduous forests.
  
• Define environmental pesticides.
  
• Give the consequence of population increase.

3. Write short answers to any eight parts.

• What is etiolation in plants?
  
• What are biological clocks? Define its types.
  
• What are neurotransmitters? Give its examples.  
  
• Give significance of test cross.
  
• Define epistasis. Give example.
  
• Differentiate between multifactorial and polygenic traits.
  
• What are plaindormic sequences? Give example.
  
• Define a probe? Write its role.
  
• What is in vivo gene therapy? Give example.
  
• Define secondary succession.
  
• Differentiate between hydrosere and xerosere.
  
• Define mutualism. Give example.  

4. Write short answers to any six parts.

• Differentiate between primary and secondary growth.
  
• What is compensatory effect in plant growth?
  
• What is the contribution of Karl Correns in genetic.
  
• Differentiate between purines and pyrimidines.
  
• Define the term translation.
  
• What is the difference between benign and malignant tumors?
  
• What do you mean by nori-disjunction of chromosomes?
  
• Differentiate between homologous organs and analogous organs.
  
• Define Lamarkism and theory of special creation.

NOTE: - Attempt any three questions.

Q5:
(a) Write a note on thermoregulation in plants.
(b) Define ecosystem. Define its biotic components.

Q6:
(a) How the broken bone are repaired.
(b) Explain Watson and Crick’s model of DNA.

Q7:
(a) Give general characteristic and commercial application of Gibberellins
(b) Differentiate between Deforestation and afforestation? Give important of forests.

Q8:
(a) Discuss briefly about “tissue culturing and cloning “.
(b) Write an explanatory note on “Rh-blood group system.”

Q9:
(a) Explain the role of nucleus in development.
(b) Describe factors affecting gene frequency.