Biology (Plants, Adaptation, Cells)

Question 1

What is the basic unit of structure and function in plants?

Answer 1

The plant cell.

Question 2

True or False: Plant cells have a cell wall.

Answer 2

True.

Question 3

What pigment is responsible for the green color in plants?

Answer 3

Chlorophyll.

Question 4

Fill in the blank: The process by which plants make their own food using sunlight is called __________.

Answer 4

photosynthesis.

Question 5

What are the two main types of plant tissues?

Answer 5

Xylem and phloem.

Question 6

Multiple Choice: Which part of the plant is primarily responsible for photosynthesis?

Answer 6

Leaves.

Question 7

What is the function of xylem in plants?

Answer 7

To transport water and minerals from roots to leaves.

Question 8

True or False: Stomata are openings that allow gas exchange in leaves.

Answer 8

True.

Question 9

What is the main function of phloem?

Answer 9

To transport sugars and nutrients produced by photosynthesis.

Question 10

Fill in the blank: The part of the plant that anchors it and absorbs water and nutrients is called the __________.

Answer 10

root.

Question 11

Multiple Choice: Which of the following is a macronutrient for plants?

Answer 11

Nitrogen.

Question 12

What is the role of chloroplasts in plant cells?

Answer 12

To conduct photosynthesis.

Question 13

True or False: Plants can survive without sunlight.

Answer 13

False.

Question 14

What is transpiration in plants?

Answer 14

The process of water vapor loss from plant leaves.

Question 15

Fill in the blank: The waxy layer that covers the leaves and helps reduce water loss is called the __________.

Answer 15

cuticle.

Question 16

Multiple Choice: Which nutrient is essential for plant growth and development?

Answer 16

Phosphorus.

Question 17

What adaptation helps desert plants conserve water?

Answer 17

Thick, fleshy leaves or stems.

Question 18

True or False: All plants have the same type of leaf structure.

Answer 18

False.

Question 19

What is the primary function of roots?

Answer 19

To anchor the plant and absorb water and nutrients.

Question 20

Fill in the blank: The green pigment in chloroplasts that absorbs light energy is called __________.

Answer 20

chlorophyll.

Question 21

Multiple Choice: Which process do plants use to convert light energy into chemical energy?

Answer 21

Photosynthesis.

Question 22

What are guard cells?

Answer 22

Cells that control the opening and closing of stomata.

Question 23

True or False: Plants can absorb nutrients directly from the air.

Answer 23

False.

Question 24

What is the purpose of leaf veins?

Answer 24

To transport water and nutrients throughout the leaf.

Question 25

Fill in the blank: Plants that grow in water have specialized structures called __________ to help them float.

Answer 25

aerenchyma.

Question 26

Multiple Choice: Which nutrient is important for the development of flowers and seeds?

Answer 26

Potassium.

Question 27

What is a leaf's role in gas exchange?

Answer 27

To take in carbon dioxide and release oxygen.

Question 28

True or False: All leaves are green.

Answer 28

False.

Question 29

What is the function of the epidermis in leaves?

Answer 29

To protect the leaf and reduce water loss.

Question 30

Fill in the blank: The main site of photosynthesis in a leaf is the __________ layer.

Answer 30

mesophyll.

Question 31

Multiple Choice: Which plant adaptation is common in tropical rainforest plants?

Answer 31

Large leaves for maximum light capture.

Question 32

What is the role of mycorrhizae in plants?

Answer 32

To enhance nutrient absorption from the soil.

Question 33

True or False: Nitrogen is not essential for plant growth.

Answer 33

False.

Question 34

What are the two types of mesophyll found in leaves?

Answer 34

Palisade and spongy mesophyll.

Question 35

Fill in the blank: The process by which nutrients are taken up by plants from the soil is called __________.

Answer 35

absorption.

Question 36

Multiple Choice: Which type of plant is adapted to survive in very dry environments?

Answer 36

Cacti.

Question 37

What adaptation helps aquatic plants survive underwater?

Answer 37

Air-filled spaces in tissues.

Question 38

True or False: Plants can use both soil and air to obtain nutrients.

Answer 38

True.

Question 39

What is the main purpose of a plant's flower?

Answer 39

To facilitate reproduction.

Question 40

Fill in the blank: Plants that grow on other plants for support are called __________.

Answer 40

epiphytes.

Question 41

Multiple Choice: Which nutrient is crucial for photosynthesis?

Answer 41

Magnesium.

Question 42

What is the role of the cuticle on leaves?

Answer 42

To prevent water loss.

Question 43

True or False: The stomata open during the day and close at night.

Answer 43

True.

Question 44

What are the two main types of plant cells?

Answer 44

Parenchyma and sclerenchyma.

Question 45

Fill in the blank: Plants use __________ to capture sunlight for photosynthesis.

Answer 45

chlorophyll.

Question 46

Multiple Choice: Which part of the plant is primarily responsible for nutrient storage?

Answer 46

Roots.

Question 47

What is the importance of leaf surface area in plants?

Answer 47

To maximize light absorption.

Question 48

True or False: Plants can only grow in soil.

Answer 48

False.

Question 49

What is the primary function of leaf stomata?

Answer 49

To regulate gas exchange.

Question 50

Fill in the blank: The __________ is the part of the plant that develops into seeds after fertilization.

Answer 50

ovule.

Question 51

Multiple Choice: What do plants primarily absorb from the soil?

Answer 51

Water and nutrients.

Question 52

What is the role of the phloem in trees during winter?

Answer 52

To transport stored sugars to growing parts.

Question 53

True or False: Photosynthesis occurs in all parts of a plant.

Answer 53

False.

Question 54

What is an adaptation of leaves in arid environments?

Answer 54

Reduced leaf size or spines.

Question 55

Fill in the blank: The __________ is a protective layer that covers the stems and branches of some plants.

Answer 55

bark.

Question 56

Multiple Choice: Which of the following is NOT a function of roots?

Answer 56

Photosynthesis.

Question 57

What is the function of the leaf blade?

Answer 57

To capture sunlight for photosynthesis.

Question 58

True or False: All plants require the same amount of water.

Answer 58

False.

Question 59

What is the main purpose of leaf petioles?

Answer 59

To attach the leaf to the stem.

Question 60

Fill in the blank: __________ is the nutrient that helps in the formation of proteins in plants.

Answer 60

Nitrogen.

Question 61

Multiple Choice: Which type of plant undergoes the process of photosynthesis at night?

Answer 61

CAM plants.

Question 62

What is the function of the vascular bundle in leaves?

Answer 62

To transport water and nutrients.

Question 63

True or False: Leaves of some plants can change color in the fall.

Answer 63

True.

Question 64

What adaptation allows some plants to thrive in nutrient-poor soils?

Answer 64

Symbiotic relationships with fungi.

Question 65

Fill in the blank: The __________ transports sugars produced by photosynthesis to other parts of the plant.

Answer 65

phloem.

Question 66

Multiple Choice: Which of the following is a sign of nutrient deficiency in plants?

Answer 66

Yellowing leaves.

Question 67

What is the main role of the leaf's cuticle?

Answer 67

To reduce water loss.

Question 68

True or False: Plant adaptations are only structural.

Answer 68

False.

Question 69

What is the primary role of chloroplasts?

Answer 69

To conduct photosynthesis.

Question 70

Fill in the blank: The __________ is the part of the flower where pollination occurs.

Answer 70

stigma.

Question 71

Multiple Choice: Which plant nutrient is important for root development?

Answer 71

Phosphorus.

Question 72

What is the significance of leaf arrangement on a stem?

Answer 72

To maximize light exposure.

Question 73

True or False: All leaves are flat.

Answer 73

False.

Question 74

What adaptation helps climbing plants reach sunlight?

Answer 74

Tendrils or climbing stems.

Question 75

Fill in the blank: The __________ is a specialized structure in plants that helps in reproduction.

Answer 75

flower.

Question 76

Multiple Choice: Which nutrient is essential for chlorophyll production?

Answer 76

Magnesium.

Question 77

What is the role of the root cap?

Answer 77

To protect the root tip as it grows through soil.

Question 78

True or False: Plants can adapt to their environment over time.

Answer 78

True.

Question 79

What is the primary function of leaf veins?

Answer 79

To provide structural support and transport.