Showing posts with label BOTANY. Show all posts
Showing posts with label BOTANY. Show all posts

16 March 2021

BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM 2

BOTANY MODEL QUESTIONS FOR NEET AND EAMCET EXAM

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

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

BOTANY EAMCET MEDICAL MODEL QUESTION PAPER


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

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