BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM 2

BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM

1. The nucleic acid that silences specific mRNA of nematode Meloidogyne incognita is

a. ss RNA
b. ds RNA
c. ss DNA
d. ds DNA

ans. b

2. The most powerful tool/ technique used to identify genetic disorders is

a. Polymerase chain reaction
b. ELISA
c. DNA fingerprinting
d. RNA interference

ans. a

3. Which part of the flower becomes non-functional in transgenic Brassica napus plant?

a. Calyx
b. Corolla
c. Androecium
d. Gynoecium

ans. c

4. The school of Cytogenetics and Radiation Research is established in

a. NBRI
b. IARI
c. ICAR
d. BSI

ans. b

5. The white rust resistant variety of brassica developed by plant breeding is

a. Himgiri
b. Pusa Swarnim
c. Pusa Shubra
d. Pusa Komal

ans. b

6. Pusa Sadabahar is a mosaic virus-free variety of

a. Wheat
b. Brassica
c. Cauliflower
d. Chillie

ans. d

7. Pusa Sem 2 and Pusa Sem 3 varieties of flat beans are resistant to

a. Jassids
b. Aphids
c. Fruit Borer
d. All the above

ans. d

8. Which of the following pair of characters prevent bollworm infestation in cotton

a. smooth leaved and nectar containing cotton plants
b. smooth leaved and nectarless cotton plants
c. hairy leaved and nectar containing cotton plants
d. hairy leaved and nectarless cotton plants

ans. b

9. The free-living fungus very common in root ecosystem is

a. Alternaria species
b. Phytopthora species
c. Trichoderma species
d. Puccinia species

ans. c

10. The enzyme known to prevent heart attacks is

a. Streptokinase
b. Cyclosporin A
c. Lipase
d. Protease

ans. a

BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM 1

BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM

1. The living organisms that show the most extensive metabolic diversity are

a. Animals
b. Plants
c. Bacteria
d. Viruses

ans. c

2. Archebacteria can survive extreme conditions because

a. Their cell wall contains peptidoglycan
b. Their cell wall contains pseudomurein
c. Cell membrane contains branched chain lipids.
d. All the above

ans. c

3. The division Spermatophyta includes

a. Gymnosperms and pteridophytes
b. Dicotyledons and monocotyledons
c. pteridophytes and angiosperms
d. Bryophytes, pteridophytes, gymnosperms, and angiosperms

ans. b

4. Cyanobacteria are characterized by

A. Peripheral pigmented chromoplasm
B. Filaments surrounded by chitin sheath
C. Specialized cells for nitrogen fixation
D. Presence of flagella
E. Asexual fragments called hormogonia

a. ABD
b. ACD
c. BDE
d. ACE

ans. d

5. Find the wrongly matched among the following

a. Actinomyces - mycolic acid - mycobacterium
b. Mycoplasma - cell wall absent - pleomorphic
c. Eubacteria - Pseudomurein - heterotrophs
d. Archaebacteria - Pseudomurein - methanogens

ans. c

6. Which of the following statements are correct

A) Pteridophytes, angiosperms, and gymnosperms are embryotic
B) Bryophytes and pteridophytes are nonvascular
C) Gymnosperms and dicots are archegoniate
D) Algae and angiosperms are non archegoniates

a. AB
b. BC
c. CD
d. AD

ans. d


7. Preservation of genetic information is due to

a. Asexual reproduction
b. Sexual reproduction
c. selection
d. Migration

ans. d

8. Alternative selective markers are used in

a. Polymerase chain reaction
b. Insertional inactivation
c. Downstream processing
d. ligation

ans. b

9. Which of the enzymes are correctly matched to the process?

A.Chimeric DNA synthesis - ligase
B. RNA removal - Ribonuclease
C. Bacterial cell wall digestion- lysozyme

a. AB
b. AC
c. BC
d. ABC

ans. d

10. Biological pest control of lepidopterans, coleopterans, and dipterans is better achieved by using

a. Bacillus thuringiensis
b. Trichoderma
c. Agrobacterium
d. Aphids

ans. a

BOTANY EAMCET MEDICAL MODEL QUESTION PAPER 

1. Water potential value is highest for

a. Hypertonic solution
b. Hypotonic solution
c. Isotonic solution
d. pure water

ans. d

2. Which saprophytic prokaryote becomes an endosymbiotic diazotroph

a. Rhizobium
b. Clostridium
c. Nostoc
d. azotobacter

ans. a

3. Nucleic acids which behave like enzymes

a. Ribose acid
b. Ribozyme
c. Catalyst
d. Deoxyribose acid

ans. b

4. The enzyme rubisco participate in the following pathways
1) Calvin cycle
2) CAM pathway
3) C4 pathway
4) Photorespiration

a. 1,2,3
b. 1,3,4
c. 2,3,4
d. 1 and 3 only

ans. b


5. Net gain of ATP in aerobic respiration per molecule of glucose

a. 32 ATP
b. 40 ATP
c. 8 ATP
d. 36 ATP

ans. d

6. Crown gall of apple and pear is caused by

a. Xanthomonas Oryzae
b. Salmonella typhi
c. Agrobacterium tumefaciens
d. Vibrio cholerae

ans. c

7. " Biological entitles" Known to infect every type of cell are called

a. Bacteria
b. Fungi
c. Protozoans
d. Viruses

ans. d

8. In snapdragon plant, the inheritance of flower color indicates

a. Complete dominance
b. Incomplete dominance
c. Complete recessiveness
d. Incomplete recessiveness

ans. b

9. Among the traits which were selected for hybridization in pea plant the recessive character is

a. violet flower
b. inflated pods
c. yellow seeds
d. Terminal flower

ans. d

10. The method of gene mapping chromosomes was developed by

a. Alfred Hershey
b. Alfred Sturtevant
c. Franklin Stahl
d. Marshall niren berg

ans. b

BOTANY EAMCET MEDICAL MODEL QUESTION PAPER 2

BOTANY EAMCET MEDICAL MODEL QUESTION PAPER

1. Di-hybrid test cross-ratio is

a. 9:3:3:1
b. 7:1:1:7
c. 1:7:7:1
d. 1:1:1:1

ans. d

2. If the sequence of bases in the template strand of DNA is 3'ATTCGATG5' then the sequence bases in its transcript will b

a. 5'GUAGCUUA3'
b. 5'TAAGCTAC3'
c. 5'UAAGCUAC3'
d. 3'UAAGCUAC5'

ans. c

3. During the replication of DNA, the anchor molecule required to initiate the new strand of DNA molecule is

a. DNA polymerase
b. RNA polymerase
c. DNA primer
d. RNA primer

ans. d

4. In 'Lac operon' system, the repressor binds to the operator in the absence of

a. Inducer
b. Regular gene
c. Promoter gene
d. Inhibitor

ans. a

5. A protein comprises of totally 400 amino acids give this data , assess the total number nucleotides on mRNA and also the number of ATP , number of peptide bonds formed., number of translocations and number of ribosomes respectively

a. 1203,400, 399,1
b. 1200, 300, 400,399,and 400
c. 1203, 400, 399,399 and 400
d. 1200, 800, 400, 399 and 1

ans. a

6. During its action on palindrome of DNA, the EcoRI recognizes which one of the following

a. 5'GATTC3'
b. 5'TTCGAA3'
c. 5'GAATTC3'
d. 3'GATATC5'

ans. c

7. Identify the chief enzyme that is involved in PCR technique

a. Restriction enzymes
b. DNA ligases
c. Topoisomerases
d. Taq polymerases

ans. d

8. Transgenic golden rice with enhanced nutritional value obtained from one of the following

a. Taipei
b. Jaya
c. Ratna
d. Basmati.

ans. a

9. Statin is a

a. Clot buster
b. Blood cholesterol lowering point
c. Remove only stains
d. Immunosuppressive drug

ans. b

10. National botanical research institute is located at

a. Delhi
b. Kolkata
c. Lucknow
d. Dehradun

ans. c

BOTANY EAMCET MEDICAL MODEL QUESTION PAPERS 3

BOTANY EAMCET MEDICAL MODEL QUESTION PAPERS

1. Thick-walled Asexual spores formed in blue-green algae are called

a. Akinetes
b. Aplanospres
c. Conidia
d. Sporanglospores

ans. a

2. Unicellular Eukaryotes are belonged to

a. Kingdom - monera
b. Kingdom - Fungi
c. Kingdom - Animalia
d. Kingdom - Protista

ans. d

3. Identify the wrong combination

a. Pongamia, jatropa-petroplant rich in hydrocarbons
b. Cinchona, digitalis - food for astronauts
c. Spirulina, chlorella- single cell proteins
d. Azolla, Nostoc- Biofertilizers

ans. 2

4. Haplo-diaplontic life cycle is found in

a. pteridophytes
b. Bryophytes
c. Ferns
d. Fungi

ans. b

5. The plant that tolerates salinity of seawater and shows negatively geotropic root is

a. Asparagus
b. Loranthus
c. Avicenia
d. Opuntia

ans. c

6. In the family Fabaceae, flowers are

a. Actinomorphic
b. Zygomorphic
c. Asymmetrical
d. Radial symmetry

ans. b

7. Plant material or unit used for the purpose of vegetative propagation is called

a. Spore
b. Conidium
c. Propagule
d. Gamate

ans. c

8. The single large and shield-shaped cotyledon of a monocot embryo is called

a. Coleorhiza
b. Coleoptile
c. Radicle
d. Scutellum

ans. d

9. Fragrant flowers with well-developed nectaries are adopted for

a. Entomophily
b. Zoophily
c. Hydrophily
d. Anemophily

ans. a

10. The number of spindle apparatii formed during meiosis for the formation of 80 microspores

a. 40
b. 80
c. 60
d. 160

ans. c

BOTANY EAMCET MEDICAL MODEL QUESTION PAPER 4

BOTANY EAMCET MEDICAL MODEL QUESTION PAPER

1. Dendrochronology deals with the study of

a. Counting the combinal rings
b. Formation of annual rings
c. Rate of growth in trees
d. Estimation of age of trees

ans. d

2. Ephemeral plants

a. Store water
b. Live for very short period
c. Have long slender stem
d. Grow in saline soils

ans. b

3. In a hydrach succession, the seral stage at which trees appear is called

a. scrub stage
b. Reed - swamp stage
c. Marsh- meadow stage
d. Free floating plant stage

ans. a

4. Which of the following is a succulent xerophyte ?

a. Casuarina
b. Tribulus
c. Nerium
d. Opuntia

ans. d

BOTANY MODEL QUESTIONS PAPERS FOR NEET AND EAMCET 5

BOTANY MODEL QUESTIONS PAPERS FOR NEET AND EAM0CET

1. ABA is derived from which of the following precursors?

a. Adernine
b. Carotenoid
c. Terpene
d. Indole Compound

ans. b

2. Father of ecology in India is

a. Panchanan Maheswari
b. Ramdeo Mirsa
c. J.C. Bose
d. V.S. Ramdas

ans. b

3. Mangroves of West Bengal are a good example for the following ecological services

a. Supporting services
b. Provisioning services
c. Cultural Services
d. Regulating Services

ans. d

4. Loss of chromosome identity and formation of Golgi complex and Endoplasmic reticulum are the events during

a. Prophase
b. Metaphase
c. Anaphase
d. Telophase

ans. d

5. Due to splitting fo centromere chromatids move towards poles during anaphase of

a. Mitosis only
b Mitosis and Meiosis I
c. Mitosis and Meiosis II
d. Mitosis, Meiosis I and Meiosis II

ans. c

BOTANY MODEL QUESTIONS PAPERS FOR NEET AND EAMCET 4

                               

BOTANY MODEL QUESTIONS PAPERS FOR NEET AND EAMCET

1. Chlorine deficiency leads to

a. Bronzing in legume
b. Mouse-ear in pecan
c. Whiptail in cauliflower
d. Dieback in citrus

ans. a

2. Which f the following statements truly justifies osmosis through a selectively permeable membrane?

a. Movement of solvent from a region of higher solvent concentration to a region of lower solvent concentration
b. Movement of solvent from a region of lower solvent concentration to a region of higher solvent concentration
c. Movement of solvent from a region of higher solute concentration to a region of lower water concentration
d. Movement of solvent from a region of lower water potential to a region of higher water potential

ans. a

3. Which of the following statements is true?

a. Iron is a constituent of cytochrome and chlorophyll
b  Iron is a constituent of cytochrome but not chlorophyll
c. Magnesium is a constituent of cytochrome and chlorophyll
d. Magnesium is a constituent of cytochrome but not chlorophyll

ans. b

4. Assertion (A): Excess of Manganese induces a deficiency of Iron, Magnesium, and Calcium
    Reason (R) Manganese competes with an uptake of calcium and translocation of Iron and Magnesium

a. Both A and R are true
b. A is true but R is false
c. A is false but R is true
d. Both A and R are false

and. b

5. An example of Transferase class of enzymes is

a. Glutamine synthetase
b. Phosphokinase
c. Fructose-1,6- bis phosphatase
d. Argino succinase

ans. b

6. The co-factor that can form coordination bonds with the side chain of enzyme active size and also coordinate bonds with the substrate is

a. Prosthetic group
b. coenzyme
c. metal ions
d. All the above

ans.c

7. T.W. Engelmann in his experiment on the action spectrum of photosynthesis used a green alga

a. Chlorella
b. Chlamydononas
c. Spirogyra
d. Cladophora

ans. d

8. The utilization of ATPs and NADPHs for every cycle of Calvin is

a. 18 ATP and 12 NADPH
b. 3 ATP and 2 NADPH
c. 2 ATP and 3 NADPH
d. 12 ATP and 12 NADPH

ans. b

9. The third oxidation in Kreb's cycle employs the enzyme

a. Iso citric dehydrogenase
b. α - keto glutaric acid and dehydrogenase
c. Succinic dehydrogenase
d. Malic dehydrogenase
ans. c

10. Auxins were first isolated from

a. Human urine
b. Canary grass
c. Oat coleoptiles
d. Coconut endosperm

ans. a