1) Which of the following is a plant organ? a) Soil b) Leaf c) Rain d) Fruit 2) The primary function of roots is to: a) Absorb sunlight b) Transport food c) Anchor the plant and absorb water d) Produce seeds 3) What is the main role of flowers in flowering plants? a) Photosynthesis b) Transportation of food and water c) Reproduction d) Support for the plant 4) Which plant organ makes food? a) Stem b) Root c) Flower d) Leaf 5) The stem is responsible for transporting which substances? a) Water and food b) Sunlight and water c) Seeds and leaves d) Soil and minerals e) It anchors the plant to the ground. f) It produces seeds. 6) Savannah grasses grow best in which type of habitat? a) Hot, sunny, and wet b) Warm and dry c) Dry and hot d) Cold and snowy 7) What do the orange patches on Earth seen from space mainly represent? a) Rainforests b) Deserts with cacti c) Grasslands d) Farmlands 8) What is the typical habitat for rainforest trees? a) Dry and hot b) Warm and dry c) Hot, sunny, and wet d) Cold and snowy 9) Savannah grasses are known to grow in what kind of climate? a) Cold b) Humid c) Warm and dry d) Wet 10) Why do rainforest trees have dark green leaves? a) To store more water b) To absorb maximum sunlight in shady habitats c) To protect themselves from herbivores d) To produce flowers 11) Cacti do not have leaves to: a) Store more food b) Prevent water loss in dry habitats c) Photosynthesize faster d) Protect from animals 12) In a cactus, which organ performs photosynthesis? a) Root b) Stem c) Leaf d) Flower 13) What is the primary function of spines on a cactus? a) Absorb minerals b) Produce seeds c) Protect from herbivores d) Store water 14) What characteristic helps cactus stems survive in deserts? a) Thin and flat b) Hollow with air gaps c) Covered with flowers d) Thick and fleshy to store water 15) Why do cactus stems store water? a) To make them heavier b) To produce spines c) To survive long, dry periods d) To help transport food 16) What do cacti have instead of leaves? a) Stems b) Roots c) Spines d) Flowers 17) Why do cacti have spines instead of leaves? a) To attract pollinators b) To protect against animals and reduce water loss c) To absorb sunlight d) To grow faster 18) Mangrove roots are specially adapted to: a) Float on water b) Absorb oxygen in waterlogged soil c) Store food d) Prevent animals from eating them 19) What kind of soil do mangroves grow in? a) Sandy b) Waterlogged c) Loamy d) Dry 20) What adaptation do mangroves have that allows them to get oxygen in their environment? a) Their leaves are very thin. b) Their flowers are colorful. c) Their roots rise above the ground. d) Their stems are hollow. 21) Why do mangroves need special root adaptations? a) To store extra food. b) To prevent them from floating away. c) Because normal roots cannot get oxygen in waterlogged soil. d) To anchor the plant more securely. 22) Parasitic plants like dodder do not have green leaves because: a) They are always in the shade. b) They don't photosynthesize. c) They store food in their roots. d) They grow too fast. 23) How do dodder plants get their food? a) ) By absorbing it from the soil b) ) By photosynthesis c) By stealing it from a host plant d) By storing it in their stems 24) The Japanese dodder reproduces by means of its: a) Roots b) Leaves c) Flowers d) Spines 25) Which of the following is a parasitic plant? a) Mango tree b) Cactus c) Hydronora africana d) Fern 26) What is a parasite? a) An organism that produces its own food. b) An organism that lives on or in a host and gets food from it. c) An organism that absorbs minerals from the soil only. d) Parasitic plants are considered harmful to their host plants because:An organism that grows only in water. 27) Parasitic plants are considered harmful to their host plants because: a) They use up too much water. b) They steal food, which weakens the host. c) They cover the host's leaves, blocking sunlight. d) They reproduce too quickly. 28) Why do parasitic plants still need flowers? a) To attract insects for pollination. b) To make the host plant look beautiful. c) To help them cling to the host. d) To produce seeds for reproduction. 29) What substance do parasitic plants lack that prevents them from photosynthesizing? a) Chlorophyll b) Water c) Sunlight d) Minerals 30) plant organ that is not considered a primary organ (leaf, stem, or root) but is crucial for the plant's survival in specific conditions is the: a) Fruit b) Spines on a cactus c) Flower d) All of the above 31) What is the process by which leaves make food? a) Respiration b) Absorption c) Photosynthesis d) Evaporation 32) Which plant organ is responsible for anchoring the plant to the ground? a) Leaf b) Stem c) Flower d) Root e) Evaporation f) Store water 33) plant that lives in a waterlogged environment would most likely have roots that: a) Store water b) Grow deep into the soil c) Rise above the ground for oxygen d) Float on the water's surface 34) The main difference between a regular plant and a parasitic plant is that a parasitic plant a) Cannot reproduce b) Does not need sunlight c) Cannot make its own food d) Grows faster

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