### **Part-A: Objective Type Questions**
#### **Section I A: Multiple Choice Questions (1-25)**
1. The mulberry species endemic to India is:
A. *Morus laevigata*
B. *Morus nigra*
C. *Morus multicaulis*
D. *Morus rubra*
2. Nut-like winged fruits occur in:
A. Som
B. Oak
C. Castor
D. Arjun
3. Chromosome number in onion root tip:
A. 20
B. 28
C. 12
D. 16
4. High polyploidy reported in food plants of silkworms:
A. Asan
B. Mulberry
C. Castor
D. Soaliu
5. Unisexual flowers occur in:
A. Som
B. Castor
C. Asan
D. All of these
6. Spongy bilobed structure on castor seed:
A. Chalaza
B. Caruncle
C. Raphae
D. Hilum
7. *Quercus incana* is food for ______ silkworm:
A. Tropical tasar
B. Eri
C. Muga
D. Temperate tasar
8. Mulberry varieties with short style grouped under:
A. Dolichostylae
B. Macromorus
C. Pubescentus
D. Papillosae
9. Cell function is controlled by:
A. Nucleus
B. Nucleolus
C. Protoplasm
D. Cytoplasm
10. Term "chloroplast" coined by:
A. Kolliker
B. Miescher
C. Hertwig
D. Schimper
11. Term "mitosis" coined by:
A. Swanson, P.
B. Mendel, G.
C. Robert Hooke
D. Flemming, W.
12. Chromosome crossing in meiosis leads to:
A. New gene combinations
B. Extinction
C. Mutation
D. Sex determination
13. Homologous chromosomes exchange segments during:
A. Diplotene
B. Leptotene
C. Pachytene
D. Zygotene
14. Mulberry embryo sac development type:
A. *Allium*
B. *Adoxa*
C. *Oenothera*
D. *Polygonum*
15. Mulberry ovule is:
A. Anatropous
B. Bitegamic
C. Crassinucellate
D. All of these
16. Double fertilization occurs in:
A. Gymnosperms
B. Angiosperms
C. Pieridophytes
D. All
17. Robert Hooke discovered cells in cork, which were actually:
A. Vacuole
B. Nuclei
C. Cell wall
D. Protoplasm
18. Chromosomes with >2 chromatids:
A. Polytene
B. Lampbrush
C. Polycentric
D. Metacentric
19. B-chromosomes occur in:
A. All plants
B. All animals
C. Certain cells only
D. All organisms
20. Centrosome/centriole present in:
A. Blue-green algae
B. Animals
C. Bacteria
D. Green plants
21. Chromosome number in castor pollen:
A. 10
B. 28
C. 20
D. 14
22. Fluid mosaic model proposed by:
A. Singer & Nicolson
B. Watson & Crick
C. Danielle & Davson
D. Sutton & Boveri
23. Term "cytology" coined by:
A. Hertwig, O.
B. Swanson, C.P.
C. Bridges
D. Hooke, R.
24. Som and Soalu belong to family:
A. Combretaceae
B. Fagaceae
C. Lauraceae
D. Euphorbiaceae
25. High-yielding mulberry varieties for irrigated conditions:
A. \( S_{36} \) & \( V_1 \)
B. \( S_{30} \) & \( S_{54} \)
C. \( S_{13} \) & \( S_{34} \)
D. \( M_5 \) & \( S_1 \)
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#### **Section I B: True or False (26-40)**
26. Mulberry in Karnataka sprouts year-round.
27. Haploids help develop homozygous lines.
28. Deletion/duplication are structural chromosome changes.
29. Modern cell theory by Charles Darwin.
30. Daughter cells post-meiosis are identical.
31. Electron microscope reveals organelle ultrastructure.
32. Mulberry seeds stay viable longer at room temperature.
33. Centromere required for cytoplasmic cleavage.
34. Most flowering plants lack sex chromosomes.
35. Castor in Karnataka is mainly for eri culture.
36. Mulberry is evergreen.
37. Isochromosome arms are non-identical.
38. Homozygous deletions are usually lethal.
39. Castor seeds are exalbuminous.
40. Triploids are highly sterile.
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#### **Section I C: Match the Following (41-50)**
41. Chromatin fibres
42. Cell
43. Gametic number (n)
44. Chromosome doubling
45. Urticales
46. Castor
47. Schizocarpic fruit
48. Pseudodominance
49. Female gametophyte
50. 2n=24
**Options:**
A. Regma
B. Embryo sac
C. Aruna
D. Terminalia
E. Robert Hooke
F. Basic number (x)
G. Unisexuales
H. Interphase
I. Colchicine
J. Deletion
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