HSC 2027 BIOLOGY CHAPTER 14 ECOSYSTEMS & ENERGYFLOW MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 14 ECOSYSTEMS & ENERGYFLOW  

MOST EXPECTED QUESTIONS

1. GIVE 3 EXAMPLES OF EACH : SERAL STAGES , XERARCH , HYDARCH 

2. WRITE THE VARIOUS STAGES OF HYDARCH SUCCESSION IN PLANTS

3. DESCRIBE PYRAMID OF ENERGY WITH NEAT DIAGRAM

4. EXPLAIN LEACHING , HUMIFICATION AND MINERALIZATION

5. GIVE EXAMPLES OF PRIMARY & SECONDARY PRODUCERS & CONSUMERS

6. DEFINE GROSS PRIMARY AND NET PRIMARY PRODUCTIVITY

7. EXPLAIN DECOMPOSITION CYCLE WITH NEAT DIAGRAM

8. EXPLAIN ANY 4 STEPS OF DECOMPOSITION

9. NAME THE ORGANISMS AND THEIR ROLE IN CONVERSION OF ROCK TO SOIL

10. WHAT ARE CRUSTOSE LICHENS . DEFINE ECOLOGICAL SUCCESSION

11. WHAT IS PIONEER SPECIES . WHAT IS HUMUS

12. WHY ENERGY PYRAMID IS ALWAYS UPRIGHT GIVE REASON

13. WHAT IS PHYTOPLANKTON . WHAT IS DECOMPOSITION

14. EXPLAIN CARBON CYCLE . WHAT IS DETRITUS FOOD CHAIN

15. WHAT IS LINDEMANS 10% LAW  . WHAT IS CLIMAX COMMUNITY

16. WHAT ARE SAPROTROPHS. GIVE 1 EXAMPLE OF PRIMARY SUCCESSION

HSC 2027 BIOLOGY CHAPTER 13 ORGANIMS & POPULATIONS MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 13 ORGANIMS & POPULATIONS  

MOST EXPECTED QUESTIONS

1. GIVE EXAMPLES OF PARASITISM , COMPETITION , COMMENSALISM

2. DEFINE ADAPTATION. GIVE 2 ADAPTATIONS OPUNTIA & SEAL

3. EXPLAIN REGULATE , CONFORM AND MIGRATE WITH RESPECT TO SURVIVAL OF ORGANISMS

4. DIFFERENCE BETWEEN HABITAT & NICHE

5. DESCRIBE ANY 3 CHEMICAL DEFENCES IN PLANTS AGAINST HERBIVORES

6. GIVE 2 BEHAVIOURAL ADAPTATIONS IN DESERT ANIMALS

7. DIFFERENCE BETWEEN HIBERNATION &  AESTIVATION

8. DEFINE COMMENSALISM AND GIVE 2 EXAMPLES

9. STATE DIFFERENT TYPES OF ADAPTATIONS IN ANIMALS LIVING IN COLD CLIMATE

10. GIVE EXAMPLES OF MUTUALISM , ECTO & ENDO PARASITE 

11. GIVE ADAPTATIONS IN DESERT ANIMALS

12. STATE MAJOR ABIOTIC FACTORS INFLUENCING HABITAT

13. WHAT IS MUTUALISM EXPLAIN WITH DIAGRAM

14. STATE TYPES OF POPULATION GROWTH CURVE

15. DEFINE EMIGRATION . STATE THE TYPE OF ASSOCIATION BETWEEN SEA ANEMONE AND CLOWN FISH

16. GIVE EXAMPLES OF BROOD PARASITISM

17. WHAT IS ABSOLUTE NATALITY

18. WHICH PLANT IS KNOWN AS TERROR OF BENGAL 

HSC 2027 BIOLOGY CHAPTER 12 BIOTECHNOLOGY MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 12  BIOTECHNOLOGY  

MOST EXPECTED QUESTIONS

1. DESCRIBE THE STEPS INVOLVED IN MACHNISM OF PCR

2. WHAT IS POLYMERASE CHAIN REACTION

3. HOW ARE TRANSGENIC PIGS AND CATTLE COMMERCIALLY BENEFICIAL

4. WHAT IS GERM LINE THERAPY WHY IT IS NOT ENCOURAGED

5. WHAT IS SOMATIC CELL GENE THERAPY. MENTION ITS USES

6. WHAT IS BIOPIRACY. GIVE 3 EXAMPLES OF IT

7. HOW MELT IN MOUTH VACCINES ARE ADMINISTERED. GIVE 2 BENEFITS

8. EXPLAIN EUKARYOTIC DNA WITH NEAT DIAGRAM

9. EXPLAIN 2 RESTRICTION ENZYMES AND THEIR SOURCE ORGANISMS

10. LIST ANY 5 RECOMBIANT PROTIENS AND DISEASES THEY ARE USED TO TREAT

11. DESCRIBE PRODUCTION OF EDIBLE VACCINES

12. WHAT ARE EFFECTS OF BIOTECHNOLOGY WITH RELATION TO HUMAN HEALTH

13. GIVE THE FULL FORMS OF CLONING VECTORS BAC AND YAC

14. GIVE 2 EXAMPLES OF COMMERCIALLY EXPLOITED PRODUCTS OF TRANSGENIC PLANTS

15. 4 USES OF GENE THERAPY

16. OBJECTIVES OF IMPROVED ANIMAL BREEDING PROGRAM USING GENE TRANSFER TECHNOLOGY

17. MENTION CHARACTERISTICS OF PLASMIDS

18. WHAT IS CROWN GALL DISEASE . WHAT ARE ORAL VACCINES

19. NAME THE FIRST TRANSGENIC PLANT.

20. WHAT ARE MOLECULAR SCICCORS. 

21. WHICH CELLS PRODUCE INSULIN 

HSC 2027 BIOLOGY CHAPTER 11 ENHANCEMENT OF FOOD PRODUCTION MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 11 ENHANCEMENT OF FOOD PRODUCTION  

MOST EXPECTED QUESTIONS

1. DEFINE BIOHERBICIDES. GIVE 2 EXAMPLES OF MICROBIAL HERBICIDES

2. GIVE ANY 5 EXAMPLES OF MICROBIAL SOURCES OF FOOD PRODUCTS

3. EXPLAIN VARIOUS STEPS OF BIOGAS PRODUCTION

4. GIVE ANY 4 EXAMPLES OF DISEASE RESISTANT VARIETIES OF CROPS

5. WHAT IS LAC . ENLIST ITS IMPORTANCE

6. WHAT IS MYCORRHIZA STATE ITS 2 TYPES AND BENEFITS

7.GIVE THE ROLES OF : ALTERNARIA , FUSARLUM, PHYTOPHTORA

8. WHAT IS BIOFORTIFICATION.EXPLAIN IT WITH RESPECT TO GM PLANTS

9. GIVE SCIENTIFIC NAME OF SUGARCANE NATIVE TO NORTH  & SOUTH INDIA

10. NAME THE CENTER WHICH DEVELOPED SUGARCANE HAVING HIGH SUGAR

11. WHAT IS BIOFERTILIZER.  DRAW & LABEL TS OF ROOT NOUDLES

12. GIVE COMPOSITION AND LIST THE BENEFITS OF BIOGAS

13. GIVE ANY 5 EXAMPLES OF ANTIBIOTICS WITH THEIR MICROBIAL SOURCES

14. MENTION EXAMPLE OF FORTIFICATION WITH RESPECT TO AMINO ACID CONTENT AND VITAMIN C CONTENT

15. EXPLAIN ECONOMIC IMPORTANCE OF LAC

16. GIVE ANY 2 EXAMPLES OF FRESH WATER FISH

17. EXPLAIN STEPS INVOLVED IN TREATMENT OF SEWAGE

18. LIST ANY 2 SPECIES OF DOMESTICATED HONEYBEES

19. BENEFITS OF BIOFERTILIZER

20. DEFINE EXPLANT AND CALLUS 

21. GIVE 4 ADVANTAGES OF MICROPROPOGATION

22. GIVE 4 EXAMPLES OF CROP WITH THEIR HYBRID VARIETY 

HSC 2027 BIOLOGY CHAPTER 10 HUMAN HEALTH & DISEASES MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 10 HUMAN HEALTH & DISEASES 

MOST EXPECTED QUESTIONS

1. GIVE THE CAUSATIVE AGENT , MODE OF TRANSMISSION AND SYMPTOMS OF TYPHOID

2. LIST THE GENOTYPE , ANTIGEN ON SURFACE OF RBC , ANIBODIES IN SERUM FOR ALL BLOOD GROUP

3. FUNCTIONS OF ANTIBODIES PRODUCED BY B - LYMPHOCYTES

4. LIST ANY 5 DISEASES AND THEIR CAUSING PATHOGENS

5. MENTION THE CONTROL MEASURES TO PREVENT ASCARIASIS

6. EXPLAIN UNIQUE FEATURES OF AQUIRED IMMUNITY

7. WHAT IS ADOLESCENCE . MENTION ITS 4 CHARACTERISTICS IN 15 TO 17 YEARS AGE GROUP

8. EXPLAIN ANY 4 CELLS OF IMMUNE SYSTEM

9. WHAT IS GOITRE HOW TO PREVENT IT

10. WHICH MICRONUTRIENT IS DEFICIENT IN PEOPLE LIVING IN HILLY AREAS

11. NAME THE VECTOR RESPONSIBLE FOR CAUSING MALARIA & FLIARISIS

12. WHICH DISEASE IS CAUSED BY HPV

13. WHICH FISH CONTROLS MOSQUITO LARVE

14. WHAT IS PHAGOCYTE. NAME THE VACCINE FOR TYPHOID PREVENTION

15. WHICH CELLS SECRETE PERFORINS

16. WHAT ARE PARATOPES. WHAT IS AIDS CAUSED BY.

17. EXPLAIN ALZHEIMERS DISEASE

HSC 2027 BIOLOGY CHAPTER 9 CONTROL & COORDINATION MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 9 CONTROL & COORDINATION  

MOST EXPECTED QUESTIONS

1. WHAT CAUSES CUSHINGS DISEASE. WHAT IS PROLACTIN

2. NAME THE HARMONE SECRETED BY THYROID GLAND

3. SKTCH AND LABEL HYPOHPHYSIS GLAND

4. STATE ALL THE HARMONES AND GLANDS SECRETING THEM

5.DESCRIBE THE FUNCTIONAL AREAS OF CEREBRUM

5. NAME THE NERVE FIBERS CONNECTING THE CEREBERAL HEMISPHERE

6. GIVE FUNCTIONS OF CEREBELLUM. STATE 4 CRANIAL NERVES 

7. WHICH HARMONES SIMULATE THE LIVER

8. DESCRIBE THE NERVOUS SYSTEM IN PLANARIA

9. NAME ANY 4 HARMONES SECRETED BY ADENOHYPOSIS WITH SIGNIFICANCE

10. EXPLAIN THE PROPERTIES OF NERVE FIBERS 

11. DIFFERENCE BETWEEN HYPER AND HYPOTHYROIDISM

12. WRITE MECHANISM OF HARMONE ACTION WITH EXAMPLE

13. SKETCH AND LABEL DIAGRAM OF BRAIN SHOWING VENTRICLES

14. DIFFERENCE BETWEEN SYMPATHETIC & PARASYMPATHETIC NERVOUS SYSTEM

15. ALL SPINAL NERVES ARE OF MIXED TYPE GIVE REASONS

16. EXPLAIN FUNCTIONS OF SPINAL CHORD

17. EXPLAIN FUNCTIONS OF MEDULA OBONGATA

18. EXPLAIN CRANIAL NERVES WITH NAME AND TYPE

19. WHAT IS REFLEX ACTION EXPLAIN ITS TYPES

20. STATE THE ORGAN REGIONS WITH THEIR SYMPATHETIC & PARASYMPATHETIC EFFECTS 

21. SKETCH AND LABEL FORMATION OF SPINAL NERVE

22. DIFFERENCE BETWEEN CEREBRUM & CEREBELLUM

23. SKETCH AND LABEL THYROID GLAND

24. GIVE ROLES OF HARMONES RELAXIN AND INHIBIN

25. GIVE THE LOCATION OF CORPOUS ALLOSUM & ARBOR VITAE

26. STATE THE FUNCTIONS OF CSF

27. DISORDERS CAUSED BY HYPER AND HYPO SECRETION OF ADERNAL CORTICOIDS AND THEIR SYMPTOMS

HSC 2027 BIOLOGY CHAPTER 8 RESPIRATION & CIRCULATION MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 8  RESPIRATION & CIRCULATION  

MOST EXPECTED QUESTIONS

1. STATE DIFFERENT TYPES OF WBC AND GIVE THEIR FUNCTIONS

2. DISTINGUISH BETWEEN ARTERY AND VEIN

3. STRUCTURE AND TYPES OF LYMPHOCYTES

4. WHAT IS BLOOD PRESSURE

5. EXPLAIN MECHANISM OF BLOOD COAGULATION

6. NAME THE ELEMENTS USEFULL IN BLOOD COAGULATION

7. EXPLAIN INSPIRATION & EXPIRATION PROCESS WITH DIAGRAM

8. EXPLAIN CONDUCTING SYSTEM OF HUMAN HEART WITH DIAGRAM 

9. DRAW THE FLOW DIAGRAM OF DOUBLE CIRCULATION

10. WRITE A NOTE ON TRANSPORTATION OF CARBON DIOXIDE BY BICARBONATE IONS

11. DESCRIBE STEPS IN BREATHING

12. DIFFERENCE BETWEEN OPEN & CLOSED CIRCULATION

13. WHAT IS BICUSPID AND EUSTACHAIN VALVE

14. WHAT IS HEMATOCRIT. EXPLAIN VALVES IN HUMAN HEART

15. EXPLAIN CARDIAC CYCLE

16. DRAW NEAT DIAGRAM OF TS OF ARTERY

17. WHAT IS HYPERTENSION. EXPLAIN T WAVE

18. SKETCH AND LABEL DIAGRAM OF HUMAN HEART

19. DIFFERENCE BETWEEN PORTAL AND NORMAL VEIN

20. PROCESS OF FORMATION OF RBC

21. WHAT IS LUCOPENIA.

22. EXPLAIN FEATURES OF RESIRATORY SURFACE

23. DRAW A NORMAL ECG AND LABEL IT

24. WHAT IS P WAVE. WHAT IS QRS COMPLEX.

HSC 2027 BIOLOGY CHAPTER 7 PLANT GROWTH & MINERAL NUTRITION MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 7 PLANT GROWTH & MINERAL NUTRITION  

MOST EXPECTED QUESTIONS

1. NAME AND DESCRIBE THE HARMONE THAT REVERSES THE EFFECT OF APICAL DOMINANCE

2. NAME THE STRESSHARMONE IN PLANTS DESCRIBE ITS PHYSIOLOGICAL EFFECTS

3. NAME THE HARMONE RESPONSIBLE FOR APICAL DOMINANCE

4. 2 APPLICATIONS OF CYTOKININ

5. EXPLAIN PHASE OF CELL MATURATION

6. EXPLAIN QUALITATIVE AND QUANTITATIVE ASPECTS OF GROWTH

7. DESCRIBE PHYSIOLOGICAL  EFFECTS & APPLICATIONS OF ETHYLENE

8. DESCRIBE PHYSIOLOGICAL  EFFECTS & APPLICATIONS OF CYTOKININ

9. EXPLAIN ROLE OF DIAZOTROPHS IN NITRIFICATION

10. DRAW THE DEVELOPMENT FLOW CHART FROM PLANT SEED GERMINATION TO ITS DEATH

11. GIVE DEFICIENCY SYMPTOMS OF FOLLOWING IN PLANTS : K , Mg , BORON

12. GIVE THE CHEMICAL FEATURES OF ABSCISSIC ACID

13. ABA IS KNOWN AS ANTITRANSPIRANT GIVE REASON

14. WHAT IS VERNALIZATION GIVE ITS ADVANTAGES

15. WHAT IS DIFFERENTIATION AND REDIFFERENTIATION

16. GIVE THE GASEOUS GROWTH REGULATOR USED FOR RIPENING OF FRUITS GIVE THE SOURCE OF THE SAME IN PLANTS

17. DEFINE AGR AND RGR REGARDING PLANT GROWTH

18. WRITE THE APPROPRIATE EQUATIONS TO REPRESENT AMMONIFICATION

19. WHAT IS CHLOROSIS . WHICH IS THE PRIMARY PRECURSOR OF IAA

20. NAME THE HARMONE USED FOR EARLY ROOTING 

21. WHICH ELEMENT DEFICIENCY CAUSES BROWN HEART DISEASE

22. WHAT IS GRAND PERIOD OF GROWTH IN PLANTS

23. GIVE EXAMPLES OF GROWTH PROMOTERS & INHIBITORS  

HSC 2027 BIOLOGY CHAPTER 6 PLANT WATER RELATION MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 6 PLANT WATER RELATION  

MOST EXPECTED QUESTIONS

1. DESCRIBE STARCH SUGAR INTERCONVERSION THEORY

2. DESCRIBE PROTON TRANSPORT THEORY

3. WHAT IS TRANSPIRATION. STATE ADVANTAGES OF TRANSPIRATION

4. DRAW NEAT DIAGRAM SHOWING STRUCTURE OF STOMATAL APPARATUS

5. WATER IS CALLED AS THE EXILR OF LIFE GIVE REASONS

6. DESCRIBE THE STRUCTURE OF ROOT HAIR WITH A NEAT DIAGRAM

7. EXPLAIN DIFFERENT FORMS OF WATER

8. DIFFERENCE BETWEEN SYMPLAST AND APOPLAST PATHWAY

9. DIFFERECE BETWEEN HYPOTONIC AND HYPERTONIC SOLUTION

10. EFFECTS OF EPO AND ENDOOSMOSIS ON SHAPE OF THE CELL

11. LIMITATIONS OF LOW ROOT PRESSURE THEORY

12. GIVE DIFFERENT PROPERTIES OF WATER

13. WATER ACTS AS A THERMAL BUFFER JUSTIFY

14. DEFINE IMBIBITION .HOW IT HELP ROOTS IN ADSORPTION OF WATER

15. SKETCH & LABEL A DIAGRAM OF STOMA SHOWING ALL CELLS

16. WHAT IS RADIAL AND TANGENTIAL TRANSLOCATION

17. WHAT IS GUTTATION

18. 4 FACTORS AFFECTING WATER ADSORBTION  IN PLANTS

19. DEFINE GRAVITATIONAL,COMBINED,CAPILLARY WATER

20. DEFINE WATER POTENTIAL . DEFINE FACILATED DIFFUSION

21. EFFECT OF EXCESSIVE TRANSPIRATION ON LEAVES