Q1. Which of the following is not a characteristic feature of plants?
a) Autotrophic nutrition
b) Presence of chlorophyll
c) Cell wall made of chitin
d) Multicellular organization
Show Answer
Correct Answer: c) Cell wall made of chitin
Explanation: Plant cell walls are composed primarily of cellulose, not chitin, which is characteristic of fungi.
Q2. Which of the following is a non-vascular plant?
a) Fern
b) Pine
c) Moss
d) Cycad
Show Answer
Correct Answer: c) Moss
Explanation: Mosses belong to the division Bryophyta and are non-vascular plants lacking specialized tissues for water and nutrient transport.
Q3. Gymnosperms are characterized by the presence of:
a) Flowers
b) Seeds enclosed in fruits
c) Naked seeds
d) Seeds enclosed in cones
Show Answer
Correct Answer: c) Naked seeds
Explanation: Gymnosperms produce seeds that are not enclosed within an ovary or fruit.
Q4. Which plant group produces seeds enclosed within a fruit?
a) Bryophytes
b) Gymnosperms
c) Angiosperms
d) Pteridophytes
Show Answer
Correct Answer: c) Angiosperms
Explanation: Angiosperms are flowering plants that produce seeds enclosed within a fruit.
Q5. The main distinguishing feature between monocots and dicots lies in their:
a) Leaf arrangement
b) Seed structure
c) Root system
d) Flower structure
Show Answer
Correct Answer: d) Flower structure
Explanation: Monocots typically have flowers with petals in multiples of three, while dicots have flowers with petals in multiples of four or five.
Q6. Which of the following is a characteristic feature of dicot plants?
a) Parallel venation
b) Fibrous root system
c) Floral parts in multiples of three
d) Cotyledons in multiples of four or five
Show Answer
Correct Answer: d) Cotyledons in multiples of four or five
Explanation: Dicotyledonous plants have seeds with two cotyledons.
Q7. Which of the following is a monocot plant?
a) Oak tree
b) Wheat plant
c) Rose bush
d) Maple tree
Show Answer
Correct Answer: b) Wheat plant
Explanation: Wheat is a monocotyledonous plant, belonging to the class Monocotyledonae.
Q8. The function of a root cap in plants is:
a) Absorption of water and minerals
b) Protection of the root tip
c) Photosynthesis
d) Production of hormones
Show Answer
Correct Answer: b) Protection of the root tip
Explanation: Root caps protect the delicate growing tip of the root as it penetrates the soil.
Q9. Xylem and phloem are specialized tissues involved in:
a) Photosynthesis
b) Transpiration
c) Transport of water and nutrients
d) Hormone production
Show Answer
Correct Answer: c) Transport of water and nutrients
Explanation: Xylem transports water and minerals from roots to leaves, while phloem transports sugars and other organic nutrients throughout the plant.
Q10. Which of the following is a parasitic plant?
a) Rose
b) Cactus
c) Dodder
d) Sunflower
Show Answer
Correct Answer: c) Dodder
Explanation: Dodder is a parasitic plant that lacks chlorophyll and relies on other plants for nutrients.