Saturday 23 September 2017

BOT-III IMPORTANT QUESTIONS

BOTANYT-III
IMPORTANT QUESTIONS:
UNIT-I:- Cell Biology:
1. Define cell, describe the ultracell structure of typical plant cell?
2. Ultra structure of cell wall
3. Structure of plasma membrane and function
4. Write about mechanism of DNA replication?
5. Write essay on nuclic acid (ultrastucture)
6. Special type of chromosome
7. What is cell cycle? Describe about meiotic and mitosis phases.
8. Watson & Crick double helix of DNA model?
9. Karyotype
10. Types of RNA
UNIT-II:- Genetics:-
1) Mendel’s law of inheritance or Mendalian Inheritance principle.
2) Gene interaction; Complementary genes, supplementary genes & Epitasis.
3) Write about briefly account on linkage & crossing over?
4) Chromosome mapping (Two point & Three point) test cross.
5) What are chromosomal aberrations? Write about numerical changes in
chromosome.
6) Write about Structural changes in chromosome
7) Mechanisms of transcription & translation.
8) Extra nuclear genome ( mitochondrial DNA and chloroplast DNA)
9) Transposable elements & Plasmids
10) Lac operon concept.
UNIT-III:- Ecology: -
1) What is biogeo chemical cycles? Explain about N2 Cycle?
2) Components ecosystem and characteristics.
3) Define population? Describe the characteristic of population?
4) What is ecological succession? Describe about hydrosere & Xerosere.
5) Ecological factors (light and temperature)
6) Biological spectrum, Frequency and Density of community.
7) Phosphorus & Carbon cycle of biogeochemical cycle.
8) Primary & Secondary productivity.
9) G.P.P & N.P.P and P/R ratio
10) Ecological adaptations of plants.
UNIT-IV :- Biodiversity.
1) Biodiversity, and types of biodiversity.
2) Conservation biodiversity. [Ex-situ & In-situ]
3) Hot spots of India.
4) Red data book (Threatened & Endangered plants of India)
5) Role of organizations in the conservation of Biodiversity.(IUCN, UNEP, WWF,
NBPGR)
6) Endemism
7) Northern Eastern Himalayas
8) Western ghats
9) Define Agro-biodiversity? Explain Indian’s agro biodiversity?
10) Explain the loss of biodiversity and Write how we can conserve the biodiversity.
DEPT. OF BOTANY
VIVEKAVARDHINI DEGREE & P.G. COLLEGE