What are stomata? a) Structures for photosynthesis b) Small openings on leaf surfaces c) Roots of plants d) Water-absorbing cells Answer: b) Small openings on leaf surfaces Which gas primarily enters the leaf through the stomata? a) Oxygen b) Carbon dioxide c) Nitrogen d) Methane Answer: b) Carbon dioxide What is the primary function of … Read more
What is the primary function of the epidermis in plants? A) Protection against water loss and pathogens B) Photosynthesis C) Nutrient absorption D) Storage What is the cuticle primarily composed of? A) Cellulose B) Cutin C) Lignin D) Pectin Which type of cells primarily make up the epidermis? A) Parenchyma cells B) Squamous cells C) … Read more
What is secondary growth in plants primarily responsible for? A) Increase in stem and root thickness B) Increase in plant height C) Photosynthesis D) Flower production Which meristem is primarily involved in secondary growth? A) Apical meristem B) Intercalary meristem C) Lateral meristem D) Primary meristem What are the two main types of lateral meristems? … Read more
Which of the following is the basic unit of life in plants? A) Tissue B) Organ C) Cell D) Organism What is the function of parenchyma cells in plants? A) Storage and photosynthesis B) Structural support C) Transport of water D) Nutrient transport Which type of plant tissue is responsible for photosynthesis? A) Collenchyma B) … Read more
What is the primary function of xylem in vascular plants? A) Transport of sugars B) Transport of water and minerals C) Photosynthesis D) Storage of nutrients Which type of cell in xylem is primarily responsible for water conduction? A) Parenchyma B) Tracheids C) Sieve elements D) Companion cells What type of tissue makes up the … Read more
What is the outer protective layer of a seed called? A) Endosperm B) Seed coat C) Cotyledon D) Embryo Which part of the seed develops into the plant embryo? A) Endosperm B) Zygote C) Seed coat D) Cotyledon What is the primary function of the endosperm in a seed? A) Protection B) Nutrient storage C) … Read more
What is the primary function of the flower? A) Photosynthesis B) Reproduction C) Water storage D) Nutrient absorption What is the male reproductive part of a flower called? A) Pistil B) Stamen C) Sepal D) Petal Which part of the flower contains the ovary? A) Stamen B) Pistil C) Petal D) Sepal What are the … Read more
What is the primary function of leaves in plants? A) Nutrient storage B) Photosynthesis C) Water absorption D) Support Which layer of the leaf is primarily responsible for photosynthesis? A) Epidermis B) Mesophyll C) Stomata D) Phloem What is the outer protective layer of a leaf called? A) Mesophyll B) Epidermis C) Cuticle D) Phloem … Read more
What is the primary function of the stem in plants? A) Photosynthesis B) Support and transport C) Water absorption D) Storage Which part of the stem is responsible for growth in length? A) Lateral meristem B) Apical meristem C) Cortex D) Pith What type of tissue is responsible for the transport of water in stems? … Read more
What is the primary function of plant roots? A) Photosynthesis B) Anchorage and nutrient absorption C) Reproduction D) Respiration Which part of the root is responsible for water and nutrient absorption? A) Root cap B) Root hairs C) Cortex D) Endodermis What type of root system is characterized by a single main root with smaller … Read more