3 Runners are horizontal stems that grow above ground and produce new plants at nodes. Which plant uses runners for propagation? A Strawberry B Onion C Ginger D Potato
6 Which process allows water to move through a plant from roots to leaves? A Translocation B Transpiration C Photosynthesis D Respiration
7 Which process describes the loss of water vapor from the aerial parts of a plant through stomata? A Respiration B Translocation C Transpiration D Guttation
8 The fusion of one male gamete with the egg cell is called: A Triple fusion B Syngamy C Double fertilization D Pollination
9 Which micronutrient is essential for the synthesis of chlorophyll in plants? A Iron B Magnesium C Nitrogen D Phosphorus
12 Pollination by wind is most common in which type of flowers? A Large, brightly colored flowers B Flowers with nectar and scent C Small, dull-colored flowers with no scent D Flowers with sticky pollen
13 Which of these is NOT an artificial vegetative propagation method? A Cutting B Grafting C Layering D Fragmentation
14 Which agent is responsible for pollination in plants with light, dry pollen grains? A Wind B Insects C Water D Animals
15 Which of the following is a natural method of vegetative propagation? A Cuttings B Grafting C Runners D Layering
17 Tubers are swollen, fleshy underground stems. Which plant reproduces by tubers? A Potato B Crocus C Strawberry D Bryophyllum
18 Which tissue is responsible for the transport of water and minerals in plants? A Phloem B Xylem C Cortex D Epidermis
19 What is the function of root hairs? A To anchor the plant B To absorb water and minerals C To store food D To transport food
21 Which plant adaptation helps halophytes survive in high-salt environments? A Osmotic adjustments B Reduced stomata C Thick cuticle D Deep roots
22 Transpiration is the loss of water vapor mainly through: A Lenticels B Cuticle C Stomata D Root hairs
23 Which artificial propagation method involves growing a new plant from a piece of stem, leaf, or root? A Cutting B Grafting C Layering D Tissue culture
25 The pressure flow hypothesis explains the transport of food in: A Xylem B Phloem C Cortex D Endodermis