PPSC Lecturer Botany (BS-17) | 06-12-2020 | 10:00 AM | Original Paper
Q1. Pakistan export in China in 2020?
Ans.1.6$ billion
0Q2. SARS Covid 2 has size?
Ans. 20-30 kb
Q3. Ferns are different from mosses?
Ans. vascular tissues
Q4. Pteridophytes have dominant generation?
Ans. Diploid
Q5. Late blight potato disease is caused by:
Ans. Ascomycota
Q6. The seize of bacteria is:
Ans. 0.5-5um
Q7. Obligate parasites are:
Ans. Viruses
Q8. DNA polymerase:
Ans. None of these
Q9. Psilotales are closely related to:
Ans. Bryophytes
Q10. Techeoic acid is found in:
Ans. Gram positive bacteris
Q11. Plant viruses are mostly:
Ans. RNA viruses
Q12. Cell wall of bacteria is made up of:
Ans. Peptidoglycan
Q13. The waxy material is present in the cork cells called:
Ans. Suberin
Q14. Flagella are absent in:
Ans. Rhodophyta
Q15. The products of light reaction are:
Ans. ATP and NADH
Q16. ETC occur in :
Ans. Mitochondria
Q17. Which is the Red color pigment?
Ans. Phycoerythrin
Q18. Facultative Anaerobic bacteria :
Ans. ferment nutrients in the absence of nitrogen
Q19. The media used by microbiologist usually contain:
Ans. nitrogen source
Q20. Which is the predator fungi?
Ans. Puccinia
Q21. Agar Agar is obtained from
Ans. Geladium
Q22. Circinate vernation is present in:
Ans. Cycas
Q23. Carpospores are germinate to produce:
Ans. Sporophyte
Q24. In porogamy, the fertilization of seeds
Ans. the pollen tube into the ovule by the micropyle
Q25. Heterosporous condition is absent in
Ans. Equisitum
Q26. If 2n=20 then how many linkage genes are present?
Ans. 10
Q27. If Rache is absent in diatoms:
Ans. pseudoraphe
Q28.The vernalization is examined in:
Ans. Cold countries
Q29. Which is not edible mushroom?
Ans. Amanita phalloids
Q30. The digestive enzymes released in small intestine:
Ans. ???
Q31. The causal agents of Smut are:
Ans. Ustilago
Q32. Meristematic tissues are present in
Ans. Anthoceros
Q33. Reserve food material in Bryophytes is
Ans. Starch
Q34. The death of plant or part of plant like leaves is called:
Ans. Senescence
Q35. Eight spores in
Ans. Riccia
Q36. The age of plant can be estimated by
Ans. counting annual rings
Q37. The median of the numerical values:
Ans. The exact mid value
Q38. The re-newable fossil is
Ans. Biomass
Q39. C3 and C4 plants have cycle?
Ans. ????
Q40. The ___ leaves have resistance to CO2 and diffusion
Ans. Small
Remaining Question is mentioned in Part II. If you have answers of above mentioned questions, must comment.