Cell Energy II Lowersixthh Science Biology

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Test your knowledge on leaves and photosynthesis.

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Cell Energy II Lowersixthh Science Biology


Froggy Jumps Cell Energy II Lowersixthh Science BiologyVersión en línea Test your knowledge on leaves and photosynthesis. por YAKILI LMS 1 What is the main pigment in most photosynthetic leaves? a Carotene b Anthocyanin c Chlorophyll a 2 Which leaf tissue is rich in chloroplasts and located on top? a Epidermis b Palisade mesophyll c Spongy mesophyll 3 Which leaf layer regulates gas exchange and water loss? a Upper epidermis b Vascular bundle c Lower epidermis 4 What is the main function of stomata? a Water storage b Gas exchange c Support leaves 5 Which pigment is primarily responsible for green colour? a Chlorophyll b b Carotene c Chlorophyll a 6 Which tissue forms the structural framework of a dicot leaf? a Vascular cambium b Palisade and spongy mesophyll c Epidermis only 7 What does vascular tissue in a leaf do? a Transport water and sugars b Support only c Store pigments 8 Which leaf feature helps reduce water loss in hot climates? a Thick cuticle b Thin cuticle c Large stomata 9 Which structure is unique to monocot leaves? a Parallel venation b Net venation c Bark packing 10 Which structure is abundant in dicot leaves with net venation? a Vein network b Midrib only c No veins 11 What is the main site of photosynthesis in a leaf? a Epidermal cells b Chloroplast-rich mesophyll c Vascular bundle 12 Which layer is directly beneath the upper epidermis? a Palisade mesophyll b Spongy mesophyll c Lower epidermis 13 What distinguishes dicot leaves from monocot leaves? a Broad lamina with net venation b No veins c Narrow lamina with parallel veins 14 Which part holds the leaf to the stem? a Midrib b Vein c Petiole 15 What is the role of cuticle on leaf surface? a Reduce water loss b Anchor leaf c Absorb light 16 Which pigment, besides chlorophyll, can absorb light? a Carotenoids b Chlorophyll a c Chlorophyll b 17 Which gas is released during photosynthesis? a Nitrogen b Carbon dioxide c Oxygen 18 What is the site of the Calvin cycle? a Stroma (chloroplast) b Thylakoid membrane c Cytoplasm 19 Which layer is involved in gas exchange but not photosynthesis? a Upper epidermis b Palisade mesophyll c Lower epidermis with guard cells 20 Which leaf adaptation enhances photosynthesis in sun leaves? a Thin cuticle b Loose mesophyll c Compact palisade layer 21 Which organelle captures light energy? a Nucleus b Mitochondrion c Chloroplast 22 Which vein type is common in monocots? a Reticulate veins b No veins c Parallel veins 23 What is another term for leaf blade? a Lamina b Petiole c Stipule 24 Which pigment helps plants absorb blue and red light? a Chlorophyll b b Chlorophyll a c Carotene 25 What is the role of guard cells? a Chloroplast production b Open and close stomata c Phloem transport 26 Which tissue stores water and air between cells? a Spongy mesophyll b Palisade mesophyll c Epidermis 27 Which part is involved in photosynthesis but not transport? a Mesophyll b Phloem c Xylem 28 Which leaf adaptation helps camouflage and protection? a Heavy stomata b Pigment diversification c Thick veins 29 What is the primary function of chloroplasts? a Carry out photosynthesis b Produce lysosomes c Store pigments 30 What is the difference between monocot and dicot leaves? a Color only b Size only c Venation pattern 31 Which leaf layer is directly exposed to light? a Vascular tissue b Lower epidermis c Upper epidermis 32 Which pigment dominates in green plants? a Carotene b Anthocyanin c Chlorophyll a 33 Which gland-like structure helps in gas exchange? a Stomata with guard cells b Trichomes c Root hairs 34 In leaves, the primary site of gas exchange is? a Stomata b Vein network c Palisade layer 35 Which factor influences photosynthesis rate most? a Light intensity b Soil type c Leaf color 36 Which tissue increases photosynthetic efficiency in dicots? a Palisade layer b Bark c Xylem 37 What is the function of the cuticle? a Gas absorption b Water repellence c fotosynthesis enhancement 38 Which term describes leaf area for light capture? a Root area b Stem length c Leaf lamina 39 Which leaf component contributes to gas diffusion? a Palisade cells only b Vascular tissue c Spongy mesophyll air spaces 40 Which of the following is a photosynthetic pigment? a Melanin b Chlorophyll a c Hemoglobin 41 What is the main purpose of photosynthesis for life on Earth? a Consume CO2 b Absorb nutrients from soil c Produce organic matter and O2 42 Which leaf feature varies between monocots and dicots? a Stem color b Root type c Venation pattern 43 Which structure stores sugars after photosynthesis? a Xylem b Phloem c Epidermis 44 Which term describes light-driven chemical reactions? a Photophosphorylation b Respiration c Fermentation 45 Which layer would you expect to see chloroplasts densely packed? a Lower epidermis b Palisade mesophyll c Vascular bundle 46 Which leaf adaptation helps in dry environments? a Reduced stomatal density b Increased stomata c Thin cuticle 47 What are photolysis products released in photosynthesis? a Oxygen and protons b Glucose and oxygen c Nitrogen and glucose 48 Which tissue supports transport within the leaf? a Vascular tissue b Epidermis c Mesophyll 49 What is the energy carrier in photosynthesis? a ATP b NADH c GTP 50 Which form of energy is captured first in photosynthesis? a Kinetic energy b Chemical energy c Light energy

Cell Energy II Lowersixthh Science Biology

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Cell Energy II Lowersixthh Science BiologyVersión en línea

por YAKILI LMS

What is the main pigment in most photosynthetic leaves?

Which leaf tissue is rich in chloroplasts and located on top?

Which leaf layer regulates gas exchange and water loss?

What is the main function of stomata?

Which pigment is primarily responsible for green colour?

Which tissue forms the structural framework of a dicot leaf?

What does vascular tissue in a leaf do?

Which leaf feature helps reduce water loss in hot climates?

Which structure is unique to monocot leaves?

Which structure is abundant in dicot leaves with net venation?

What is the main site of photosynthesis in a leaf?

Which layer is directly beneath the upper epidermis?

What distinguishes dicot leaves from monocot leaves?

Which part holds the leaf to the stem?

What is the role of cuticle on leaf surface?

Which pigment, besides chlorophyll, can absorb light?

Which gas is released during photosynthesis?

What is the site of the Calvin cycle?

Which layer is involved in gas exchange but not photosynthesis?

Which leaf adaptation enhances photosynthesis in sun leaves?

Which organelle captures light energy?

Which vein type is common in monocots?

What is another term for leaf blade?

Which pigment helps plants absorb blue and red light?

What is the role of guard cells?

Which tissue stores water and air between cells?

Which part is involved in photosynthesis but not transport?

Which leaf adaptation helps camouflage and protection?

What is the primary function of chloroplasts?

What is the difference between monocot and dicot leaves?

Which leaf layer is directly exposed to light?

Which pigment dominates in green plants?

Which gland-like structure helps in gas exchange?

In leaves, the primary site of gas exchange is?

Which factor influences photosynthesis rate most?

Which tissue increases photosynthetic efficiency in dicots?

What is the function of the cuticle?

Which term describes leaf area for light capture?

Which leaf component contributes to gas diffusion?

Which of the following is a photosynthetic pigment?

What is the main purpose of photosynthesis for life on Earth?

Which leaf feature varies between monocots and dicots?

Which structure stores sugars after photosynthesis?

Which term describes light-driven chemical reactions?

Which layer would you expect to see chloroplasts densely packed?

Which leaf adaptation helps in dry environments?

What are photolysis products released in photosynthesis?

Which tissue supports transport within the leaf?

What is the energy carrier in photosynthesis?

Which form of energy is captured first in photosynthesis?