PPSC Past Papers Solved
1. Infundibuliform calyx and corolla having the shape
a) Funnel
b) Bell
c) Globe
d) Urn shaped
2. Spurred calyx and corolla having the shape:
a) Funnel
b) Long hollow tube
c) Globe
d) Urn shaped
3. Bilabiate calyx having the shape
a) Lip
b) Bell
c) Globe
d) Tube
4. If the stamens are united by their filament is called as:
a) Adolphus
b) Mono Adolphus
c) Poly Adolphus
c) None of these
5. Tomato has the placentation
a) Parietal
b) Axial
c) Basal
d) Free central
6. The floral diagram represents
a) Calyx and corolla
b) Androecium
c) Gynoecium
d) All of these
7. The arrangement of flowers is called
a) Inflorences
b) Succession
C) Spike
d) None of these
8. Sunflower is an example of inflorance type:
a) Spadix
b) Umbel
c) Capitulum
d) Hypenthodium
9. Pepal is an example of inflorance type:
a) Spadix
b) Umbel
c) Capitulum
d) Hypenthodium
10. Coriandum is an example of inflorance type:
a) Spadix
b) Umbel
c) Capitulum
d) Hypenthodium
11. Tricarpillary ovary is found in
a) Cyathium
b) Umbel
c) Capitulum
d) Hypenthodium
12. The inflorescence of onion is called a:
a) Cyathium
b) Umblte cymose head
c) Capitulum
d) Hypenthodium
13. The rhizome is an example of____
a) Stem
b) Underground stem
c) Leaves
d) All of these
14. The unripened seed is:
a) Ovule
b) Flower
C) Inflorences
d) Fruit
ppsc past papers
15. In ovule the egg is present in______
a) Embryo sac
b) Micropyle
c) Finical
d) Secondary nucleus
16. The Micropyle enters the ovule through_______
a) Embryo sac
b) Micropyle
c) Funical
d) None of these
17. Double fertilization is found in:
a) Algae
b) Bryophytes
c) Pteridophytes
d) Angiosperms
18. After fertilization the secondary nucleus become
a) 2n
b) 3n
c) 4n
d) 5n
19. After free cell formation in embryo sac the tissues is known as:
a) Endosperms
b) Perisperms
c) Seed
d) Fruit
20. The ripened ovary is called as
a) Endosperm
b) Seed
c) Fruit
d) All of these
21. The wall of fruit is called:
a) Pericarp
b) Periplasm
c) Endoplasm
d) Pseudocarp
22. If the thalamus ripened then it is called:
a) Fruit
b) Pseudocarp
c) Periplasmi
d) None of these
23. Apple is the example of:
a) Pseudo carp
b) Simple fruit
c) Achene
d) Nut
24. Mango is an example of_______
a) Achene
b) Nut
c) Drup
d) Endocarp
25. Tomat if the example of
a) Nut
b) Drup
c) Berry
d) All of these
26. The example of the polycarpellary and syncarpous ovary is______
a) Orange
b) Agava
c) Pomegranate
d) Tomato
27. The lotus has the fruit
a) Drup
b) Spongy
c) Achene
d) None of these
28. The family of phol ghobi is_______
a) Brassicaceae
b) Fabaceae
c) Umbelliferae
d) Cucurbitaceae
29. The family of cucumber is:
a) Brassicaceae
b) Fabaceae
c) Umbelliferae
d) Cucurbitaceae
30. Four sepals and four petals are found in
a) Cruciferae
b) Fabaceae
c) Umbelliferae
d) Cucurbitaceae
31. The family of nion is_____
a) Brassicaceae
b) Liliaceae
c) Umbelliferae
d) Cucurbitaceae
32. Lodicules are found in the family:
a) Graminae
b) Fabaceae
c) Umbelliferae
d) Solanaceae
33. In Cyperaceae the hard surface in the epidermis is due to deposition of:
a) Cuticle
b) Silica
c) Calcium
d) Both a & c
34. In ladyfinger the sticky substance is due to_____
a) Mucilaginous canals
b) Rosin canals
c) Wax
d) All of these
35. The stratified appearance due to starch grain is called as:
a) Inulin
b) Hilum
c) Storage organ
d) Dumb
36. In dicots the secondary growth is absent
a) Herbs
b) Trees
c) Perianal
d) All of these
37. Vessels are absent in_________
a) Pteridophytes
b) Gymnosperms
c) Both a & b
d) Angiosperms
38. The fiber tracheids are the remnant of:
a) Pit
b) Simple pit
c) Boarder pit
d) Pit membrane
39. The main difference between monocot and dicot stem is of:
a) Vascular bundle
b) Ground tissues
c) Pith
d) None of these
40. In monocot stem the xylem is in the form:
a) Y shaped
b) V-shaped
c) X shaped
d) K shaped
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