EAMCET Botany Model Test Paper

EAMCET Botany Model Test
1. [A]: Fungi have nitrogen containing cell wall material
[R]: Cell wall of heterotrophic thallophytes has polymer made of nucleosides
1) Both A and R are true and R is the correct explanation of A

2) Both A and R are true but R is not the correct explanation of A
*3) A is true but R is false 4) A is false but R is true

3. [A]: Iodine used during Gram’s staining
[R]: It stains Gram negative but not gram positive bacteria
1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
*3) A is true but R is false 4) A is false but R is true

4. Choose the incorrect statement.
1) Thickness of glycocalyx varies from species to species
*2) In a given species of bacterium all bacteria cells either possess glycocalyx or lack glycocalyx
3) All bacteria have nucleoid 4) Cocci do not have flagella

5. [A]: Cells of E.coli do not divide
[R]: The symbiotic bacterium of human intestine has no mesosomes
1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
3) A is true but R is false *4) A is false but R is true

6. The amino acid and Micronutrient required for auxin synthesis are
1) Phenyl Alanine, Mn 2) Tryptophan, Mo *3) Tryptophan, Zn 4) Tyrosine, Mg

7. Arrange the following events of Gibberellin influenced seed germination in a sequence.
I. Formation of Sugars II. a-amylase synthesis III. Energy liberation IV. Gibberellin synthesis
1) II, IV, I, III 2) IV, I, II, III *3) IV, II, I, III 4) I, II, IV, III

8. [A]: ABA is a growth inhibitor
[R]: It inhibits the formation of seedlings from seeds
*1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true

9. Choose the incorrect pair
1) Potato crop – Stress hormone 2) Pine Apple – Ethephon
*3) Ethylene – Skoog 4) Dormancy hormone – Waring

10. C40H56O2 is involved in the synthesis of
*1) Senescence hormone 2) Fruit ripening hormone

11. [A]: Triticum aestivum is naturally formed polyploid
[R]: Polyploids are common in Poaceae
1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
3) A is true but R is false *4) A is false but R is true

12. Crop variety that shows anti-ethylene influence is
1) Roundup ready *2) Flavr-Savr 3) Taipei 4) Transgenic papaya

13. During stomatal opening of Photoactive plants, the decrease in water potential of guard cells is due to
1) Passive movement of H+ into guard cells 2) Active movement of Cl- into guard cells
3) Active movement of K+ into guard cells *4) Active movement of H+ into subsidiary cells

14. If the number of ATP used for the production of 6 hexoses in dark reaction of Maize is equal to the number of ATP used during carbon assimilation in the dark reaction of Chlorella for the production of ‘n’ number of hexoses, then ‘n’ is
1) 12 *2) 10 3) 6 4) 18

15. The following reaction is catalyzed by a protein in mitochondrial matrix but the reaction is not an integral part of Tricarboxylic acid cycle.
1) Conversion of Phosphoenol pyruvic acid to Pyruvic acid
*2) Oxidative decarboxylation of Pyruvic acid
3) Oxidative decarboxylation of Oxalo Succinic acid
4) Oxidation of Succinic acid.

16. Genetic code for serine is degenerate, because the codons for Serine are
I. UCG II. CGU III. GCU IV. AGU
1) II, III *2) I, IV 3) I, III 4) I, II, III

17. [A]: Calcium is an essential element in Plant Nutrition
[R]: Calcium plays an important role in mitosis
*1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
3) A is true but R is false 4) A is false but R is true

18. Choose the pair of physiological effects of two phytohormones that are synthesized from connecting link of Glycolysis and Kreb’s cycle.
I. Promotion of seed germination II. Inhibition of seed germination
III. Promotion of Apical dominance IV. Promotion of Stomatal opening
*1) I, II 2) III, IV 3) I, III 4) II, IV

19. Arrange the following with respect to the correct order of formation of the following sugar phosphates in Calvin cycle.
I. Glyceraldehyde phosphate II. Ribulose monophosphate
III. Xylulose monophosphate IV. Fructose monophosphate
1) I, IV, II, III 2) IV, I, III, II *3) I, IV, III, II 4) I, III, IV, II
2) Energy conservation site of respiratory electron transport chain is
I. Complex I II. Complex II III. Complex III IV. Complex IV
1) I, II 2) II, III, IV 3) III and IV *4) I, III, IV

20. [A]: Citric acid cycle is an oxidation pathway
[R]: C-C bonds are not formed during TCA cycle
1) Both A and R are true and R is the correct explanation of A
2) Both A and R are true but R is not the correct explanation of A
*3) A is true but R is false 4) A is false but R is true

21. This intermediate of Glycolysis, which is CO2 acceptor in C4 plants is formed by the catalytic activity of
1) Mutase 2) Kinase *3) Enolase 4) Dehydrogenase

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