12th Biology Important Questions

12th Biology important question – BIO BOTANY

12th Bio-Botany Important Questions – 12th Bio Botany Fill Guide

LESSON 1.

• 1. Pollinium Corpusculum retinaculum.
• 2. T.s of Mature anther.
• 3. Cryopreservation
• 4. Exine and intine.
• 5. Sporopollenin
• 6. Development of male gametophyte
• 7. Types of ovule and structure of ovule
• 8. Embryosac
• 9.Monosporic and Tetrasporic
• 10. Difference between protagyny and protandry?
• 11. Pollination in salvia and vallisneria
• 12. Significance of pollination
• 13. Endosperm and its function
• 14.Apomixis, Diplospory andApospory
• 15. Significance of parthenocarpy

LESSON 2

• 1. Difference between continuous variation and discontinuous variatio
• 2. Mono hybrid cross dihybrid cross
• 3. Incomplete dominance, lethal dominance
• 4. Pleiotropy
• 5. Dominant epistatsis. Difference Between epistatic and hypostatic

LESSON 3

• 1. Synteny
• 2. Difference between CIS configuration and trans configuration
• 3. Linkage and crossing over
• 4. Mechanism of crossing over
• 5. Genetic map and its uses
• 6. Multiple allele and its character
• 7. Sex determination in maize
• 8. Types of mutation
• 9. Chromosomal aberration.
• 10. Significance of poidy
• 11. Allopolyploidy

Lesson 4

• 1. Fermentation
• 2. SCP and its application
• 3. Steps involved in recombinant DNA
• 4. Restriction Enzymes ,Exo end Endo.
• 5. Transposans or jumping genes
• 6.PUC 19
• 7. DIRECT AND INDIRECT GENE TRANSFER
• 8. BLUE WHITE COLONY METHOD
• 9. SADHAN BLOTTING TECHNIQUE
• 10.Difference between blotting technique
• 11.RNA INTERFERENCE
• 12. BT cotton advantages disadvantages
• 13. BIOREMEDIATION
• 14. Bioprospecting (Turmeric)
• 15. APPLICATIONS OF BIOTECHNOLOGY
• 16. PBR 322/TI PLASMID DNA LIGASE

LESSON 5

• 1. BASIC CONCEPTS OF PTC
• 2. Techniques involved in PTC
• 3. CELL SUSPENSION CULTURE
• 4. APPLICATIONS OF PLANT TISSUE CULTURE
• 5. ARTIFICIAL SEEDS AND ITS ADVANTAGE
• 6 Future of bio technology

LESSON 6

• 1. Habitat and niche
• 2. Temperature
• 3. Pedology and pedogenesis
• 4. Soil profile
• 5. Types of soil particle
• 6. Different interactions of plant
• 7. Holo parasite and hemi parasite
• 9. Competition and Amensalism
• 10. HYDROPHYTES AND XEROPHYTES
• 11. DROUGHT ESCAPERS AND TRUE XEROPHYTES

LESSON 7.

• 1. LAW OF THERMODYNAMICS
• 2. FOOD CHAIN FOOD WEB AND ITS SIGNIFICANCE
• 3. ECOLOGICAL PYRAMIDS
• 4. Carbon cycle
• 5. Limnotic zones
• 7. Difference between primary and secondary succession
• 8. HYDROSERE /CLASSIFICATION OF PLANT SUCCESSION.
• 9. SIGNIFICANCE OF PLANT SUCCESSION.

LESSON 8

• 1. Effects of global warming
• 2. EFFECTS OF OZONE DEPLETION
• 3. Benefits of agroforestry
• 4. DEFORESTATION AND AFFORESTATION
• 5 Alien invasive species
• 6.CCS/ CFP/BIOCHAR
• 7. Environment impact assessment (ELA)
• 8. IMPORTANT OF GIS AND APPLICATIONS OF SATELLITES

LESSON 9

• 1.Blofertilizer and biopesticides
• 2.Seaweed liquid fertilizer
• 3. Objections of plant breeding
• 4.ACCLIMATIZATION
• 5. DIFFERENCE BETWEEN PRIMARY AND SECONDARY
• 6. STEPS IN HYBRIDIZATION AND ITS TYPES INTRODUCTION alvikdal.
• 7. HETEROSIS

LESSON 10

• 1. Spices
• 2. Timber
• 3. TRADITIONAL SYSTEM OF MEDICINE
• 4. NILAVEMBU AND KEEZHANELLI
• 5. Opium poppy and cannabis
• 6. COMMON MEDICINAL PLANTS
• 7. King of spices /queen of spices /Dates of India / SHC/LACOSONE /THC

BIO ZOOLOGY IMPORTANT QUESTIONS

LESSON 1

• 1. Sexual reproduction
• 2. Phases of life cycle
• 3. natural and artificial parthenogenesis
• 4. complete and incomplete parthenogenesis
• 5.oviparous/ viviparous /ovoviviparous

LESSON 2

• 1. Cryptorchism
• 2.Sertolicells/leydigcells
• 3. Male reproductive system
• 4. Female reproductive system.
• 5.Spermiogenesis / spermiation
• 6.Spermatogenesis /oogenesis
• 7. Structure of sperm /ovum
• 8.Hyaluronidase
• 9.Trimester 1,2,3.

INTERESTING FACTS

LESSON 3

• 1.Female foeticide/ infanticide
• 2. Amniocentesis
• 3.POCSO /lactational amenorrhoea
• 4. Barrier methods
• 5.Diffe., tubectomy and vasectomy
• 6.Assisted reproductive technology (ART)
• 7. Ultra sound scanning

LESSON 4

• 1. Multiple allele
• 2. ABO blood groups
• 3. Incompatibility RH factors
• 4. Heterogametic male one example
• 5. Hererogametic female one example
• 6. Y chromosome and male development
• 7. Barr body /Kin selection
• 8. Holandric genes
• 9. Colour blindness
• 10. Karyotuping/applications

LESSON 5

• 1.Griffith experiment or Transformation
• 2. Harshey and chase experiment
• 3.RNA WORLD
• 4.CENTRAL DOGMA OF DNA
• 5.TEMPLETE STRAND CODING STRAND
• 6.Monocistronic /Polycystranic
• 7.TRANCRIPTION IN PROKARYOTES
• 8.TATA BOX PRIBNOW BOX
• 9.TRANCRIPTION IN EUKARYOTES
• 10.INTROS/EXONS
• 11. Capping and talling
• 12.SALIENT FEATURES OF GENETIC CODE
• 13. Wobble hypothesis
• 14.Open reading frame/untranslated region
• 15.TRANSLATION
• 16.LAC OPERON
• 17.HGB/SALIENT FE… HGB/APPLICATIONS
• 18.DNA FINGER PRINTING

LESSON 6

• 1.Cocervates
• 2.Geological timescale
• 3.Protobionts
• 4.Urey Miller concept
• 5.Use and disuse Inheritance of acquired character
• 6.Darwin theory of natural selection
• 8.Slaient features of mutation theory
• 9.Modern synthetic theory
• 10.Darwin finches
• 11.HARDY WEINGHBERG LAW

LESSON 7

• 1.Nipah virus
• 2.Trypanosoma gambiense
• 3.Life cycle of plasmodium
• 4.Athletes foot /Ringworm
• 5.Ascariasis /filariasis
• 6.Types of innnate immunity
• 7.Diff.,passive and active immunity
• 8.Diff., primary and secondary response
• 9.lymph node
• 10.Structure of Immunoglobulin
• 11. HAPTEN/EPITOPE /PARATOPE
• 12.AGGLUTININ /OPSONIZATION
• 13.ANTIGEN ANTIBODY INTERACTION
• 14.Effects of drug and alcohol

LESSON 8

• 1.QUEEN OF DRUGS
• 2.Narrow spectrum/Broad spectrum
• 3.Syperbug /Toddy /Zymology
• 4.Blodiesel/ Cyclosporine A
• 5.Microbial fuel cell
• 6.BIOREMEDIATION (EXPECTED 5 MARK)

LESSON 9

• 1.RECOMBINAT HUMAN INSULIN
• 2.Human alpha lactalbumin 4.GENE THERAPY/ TYPES
• 3.interferons
• 5.ELIZA
• 6.POLYMERASE CHAIN REACTION
• 7.APPLICATIONS OF POR

LESSON 10

• 1.Bergmans/Allen’s /Jordens
• 2.Vanthoffs rule /Phototaxis /Phototropism/photokinesis.
• 3.Properties of water
• 4.ACCLIMATIZATION
• 5.NATALITY/MORTALITY
• 6.IMMIGRATION EMIGRATION
• 7.POPULATION INTERACTION

LESSON 11

• 1.Types of diversity
• 2.Magnitude of blodiversity
• 3.Species area relationship
• 4.Causes of biodiversity

LESSON 12

• 1.BIOMAGNIFICATION OF DDT
• 2.EUTROPHICATION/TYPES
• 3.USES OF ORGANIC FORMING Pals & Question
• 4.DEWATS/RZWT
• 5.MEDICAL/E/PLASTIC WASTE
• 6.ECOSAN TOILETS