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