General Biology Practical II — 2025A Past Questions

University of Ilorin BIO108: 31 questions.

Topics: Anatomy of flowering plants, Types of fruits and seeds

1. Which cells do not have a nucleus at maturity?
   1. Companion cells
   2. Sieve tube elements
   3. Parenchyma cells
   4. Meristematic cells
2. How are vascular bundles arranged in dicot stems?
   1. Scattered throughout
   2. Arranged in a ring
   3. Arranged in two circles
   4. Radially arranged
3. Which cell in the xylem is living at maturity?
   1. Vessel element
   2. Tracheid
   3. Xylem fibre
   4. Xylem parenchyma
4. What is the innermost layer of the cortex in roots?
   1. Epidermis
   2. Pericycle
   3. Endodermis
   4. Pith
5. Which tissue is primarily responsible for storage and photosynthesis?
   1. Dermal tissue
   2. Vascular tissue
   3. Ground tissue
   4. Meristematic tissue
6. Sieve tubes are found in close association with which cells?
   1. Xylem fibres
   2. Companion cells
   3. Tracheids
   4. Sclereids
7. Which of the following is a feature of dicot stems?
   1. Presence of pith
   2. Radial vascular bundles
   3. Scattered vascular bundles
   4. Absence of cortex
8. Isobilateral leaves are typically found in which group of plants?
   1. Monocots
   2. Dicots
   3. Gymnosperms
   4. Ferns
9. What is mesophyll primarily composed of?
   1. Fibres and sclereids
   2. Palisade and spongy cells
   3. Stomata and parenchyma cells
   4. Xylem and phloem
10. Which of the following is an example of a berry?
    1. Mango
    2. Peach
    3. Banana
    4. Plum
11. What is the major function of xylem?
    1. Storage of food (sugar)
    2. Water and minerals conduction and rigidity
    3. Protection
    4. Photosynthesis
12. Which part of the xylem is majorly responsible for water conduction?
    1. Vessel element
    2. Xylem fibres
    3. Xylem parenchyma
    4. Sclereids
13. Which meristematic tissue is predominantly found in grasses?
    1. Lateral meristem
    2. Apical meristem
    3. Intercalary meristem
    4. Cork cambium
14. Which dry indehiscent fruit is multicarpellary but typically has only one seed develop?
    1. Achene
    2. Nut
    3. Samara
    4. Caryopsis
15. What are the three main parts of a seed?
    1. Seed coat, embryo, endoderm
    2. Seed coat, embryo sac, endosperm
    3. Seed coat, embryo, endosperm
    4. Testa, plumule, radicle
16. Protoxylem and metaxylem are types of what?
    1. Primary xylem
    2. Secondary xylem
    3. Primary phloem
    4. Secondary phloem
17. The seed is made up of which three components?
    1. Testa, radicle, pericarp
    2. Seed coat, embryo, endosperm
    3. Plumule, radicle, cotyledon
    4. Embryo sac, nucellus, integument
18. Isobilateral leaves are possessed by which kind of plant?
    1. Dicots
    2. Monocots
    3. Gymnosperms
    4. All vascular plants
19. Which of the following is the innermost layer of the cortex in roots?
    1. Pericycle
    2. Pith
    3. Endodermis
    4. Epidermis
20. Bundle sheaths cover which plant structure?
    1. Root tips
    2. Vascular bundles
    3. Flower buds
    4. Lateral meristems
21. Which of the following conducts food in plants?
    1. Xylem
    2. Phloem
    3. Parenchyma
    4. Sclerenchyma
22. Protoxylem and metaxylem are components of:
    1. Primary xylem
    2. Secondary xylem
    3. Primary phloem
    4. Secondary phloem
23. Which of the following is a berry?
    1. Tomato
    2. Apple
    3. Coconut
    4. Cherry
24. A simple fruit is formed from:
    1. A single ovary of a single flower
    2. Many ovaries of a single flower
    3. The ovaries of many flowers
    4. Non-ovary floral parts
25. What provides nutrients to the embryo in a seed?
    1. Endosperm
    2. Epicarp
    3. Testa
    4. Mesocarp
26. Intercalary meristems are found most abundantly in:
    1. Grasses
    2. Trees
    3. Shrubs
    4. Aquatic plants
27. Which is the edible part of a peach?
    1. Endocarp
    2. Mesocarp
    3. Epicarp
    4. Seed
28. All fruits develop from a fertilized ovary. True or False?
    1. True
    2. False
29. Which cells are responsible for the storage of food, water, and starch?
    1. Xylem vessels
    2. Phloem sieve tubes
    3. Parenchyma cells
    4. Sclerenchyma fibres
30. Which of these is not found in monocot phloem?
    1. Phloem parenchyma
    2. Phloem fibre
    3. Companion cells
    4. Sieve tubes
31. Which of these fruits develops from an inferior ovary?
    1. Apple
    2. Mango
    3. Cherry
    4. Strawberry

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