Description : Plant component responsible for photosynthesis is a pigment called
Last Answer : Ans. Chlorophyll
Description : Which plastid of cell is responsible for photosynthesis in plants?
Last Answer : Ans. Chloroplast
Description : A pigment responsible for red colour in tomato
Last Answer : Ans. Lycopene
Description : Gene responsible for higher amount of lysine in maize
Last Answer : Ans. Opaque-2
Description : The plants, which produce food themselves through photosynthesis?
Last Answer : Ans. Phototrophs
Description : The product of photosynthesis which is used for growth and development of plants
Last Answer : Ans. Glucose
Description : Red pigment in litchi is due to
Last Answer : Ans. Anthocyanin
Description : Yellow pigment in papaya
Last Answer : Ans. Caricaxanthin
Description : The presence of ozone in the stratosphere is responsible for (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets
Last Answer : checking the penetration of ultra-violet rays to the earth
Description : Which plastid of cell is responsible for storage of starch and fat in plants?
Last Answer : Ans. Leucoplast
Description : Which plastid of cell is responsible for colour in plants?
Last Answer : Ans. Chromoplast
Description : name the pigment(s) which increases the absorption range for photosynthesis.
Last Answer : name the pigment(s) which increases the absorption range for photosynthesis.
Description : What pigment absorbs when photosynthesis begins?
Last Answer : Feel Free to Answer
Description : What pigment reflects orange yellow and red and absorbs the other colors to provide energy for photosynthesis?
Last Answer : Carotenoids.
Description : During light reaction of photosynthesis, which of the following phenomenon is observed during cyclic phosphorylation as well as non-cyclic phosphorylation? (a) Release of O2 (b) Formation of ATP (c) Formation of NADPH (d) Involvement of PS I and PS II pigment systems
Last Answer : (b) Formation of ATP
Description : The mode of action of Atrazine is a). Pigment inhibition b). Cell membrane disruption c). Seedling growth inhibition d). Photosynthesis inhibition
Last Answer : d). Photosynthesis inhibition
Description : What is the mode of action of sulfonamide herbicide a). Amino acid synthesis inhibitor b). Photosynthesis inhibitor c). Lipid inhibitor d). Pigment inhibitor
Last Answer : a). Amino acid synthesis inhibitor
Description : Photosynthesis can be measured by measuring
Last Answer : Ans. O2 given off and CO2 uptake
Description : Oxygen required for photosynthesis comes from
Last Answer : Ans. Water
Description : Photosynthesis active radiation (PAR) occurs at
Last Answer : Ans. 400-700 nm
Description : The following are true about electroretinogram (ERG): a. the a-wave has negative deflection b. a wave is generated by the retinal pigment epithelium c. amacrine cells are responsible for the oscillatory potential d. it is possible to separate the cone and rod ERG
Last Answer : t is possible to separate the cone and rod ERG
Description : Canthaxanthin pigment responsible for — colour in papaya a. White b. Yellow c. Red d. Pink
Last Answer : b. Yellow
Description : In paints, the pigment is responsible for (A) Durability (B) Colour (C) Smoothness (D) Glassy face
Last Answer : Answer: Option B
Description : Oxidative product of bile pigment which is responsible for the colouration of faeces is : (a) Bilirubin (b) Biliverdin (c) Stercobili (d) None
Last Answer : (c) Stercobili
Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.
Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum
Description : C4 plants are more efficient in photosynthesis than C3 plants due to (a) higher leaf area (b) presence of larger number of chloroplasts in the leaf cells (c) presence of thin cuticle (d) lower rate of photorespiration
Last Answer : d) lower rate of photorespiration.
Description : Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because (a) effective pumping of CO2 into bundle sheath cells (b) RuBisCO in C4 plants has higher affinity for CO2 (c ... d) the primary fixation of CO2 is mediated via PEP carboxylase. (2005) 65. In sugarcane plant
Last Answer : (d) the primary fixation of CO2 is mediated via PEP carboxylase.
Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation ... for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight
Last Answer : (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum
Description : The disease responsible for the great Bengal famine in 1942-43
Last Answer : Ans. Brown spot of rice
Description : The gas, responsible for ozone depletion
Last Answer : Ans. CF2Cl2
Description : Chief green house gas responsible for global warming
Last Answer : Ans. CO2 (50%)
Description : The radiations emitted by the sun and responsible for the cause of skin cancer
Last Answer : Ans. Ultra-violet
Description : In Strip Plot Design, which one is to be tested with higher precision
Last Answer : Ans. Interaction
Description : Strong solution having higher concentration
Last Answer : Ans. Hypertonic solution
Description : Infiltration rate is relatively higher in
Last Answer : Ans. Sandy soil
Description : An aggregation of minute drops of water suspended in the air at higher altitude termed as
Last Answer : Ans. Clouds
Description : Which pigment protects plants from UV damage ?
Last Answer : Which pigment protects plants from UV damage ? A. Chlorophyll B. Xanthophyll C. Carotenoids D. Phycocyanin.
Description : Most of the red; blue and purple colours of plants are due to a pigment called?
Last Answer : anthocyanin
Description : A reduction of nitrogen nutrient in plants: (A) Affects leaf colour (B) Reduces pigment concentration (C) Increase the visible reflectivity (D) All of these
Last Answer : Answer: Option D
Description : Which part of the plant is responsible for the process of photosynthesis?
Last Answer : Answer: Leaves. They have a pigment called chlorophyll that is essential for photosynthesis.
Description : What is the molecule responsible for the absorption of photic energy for photosynthesis ?
Last Answer : Where is that molecule located in photosynthetic cells? The chlorophyll molecules are the responsible for the absorption of the light energy for photosynthesis. These molecules are found on the internal membranes of chloroplasts.
Description : Why does the rate of photosynthesis decrease at higher temperatures? -Biology
Last Answer : answer:
Description : Which plant has higher rate of photosynthesis ?
Last Answer : : The rate of photosynthesis is higher in aquatic plants.
Description : The rate of photosynthesis is higher in (a) very high light (b) continuous light (c) red light (d) green light
Last Answer : (c) red light
Description : The Heterotrophs, feed on both plants and meats?
Last Answer : Ans. Omnivores
Description : The Heterotrophs, feed on plants and called primary consumers?
Last Answer : Ans. Herbivores
Description : A self supporting community - plants and animals interacting with each other and the nonliving environment to provide a balanced system is a
Last Answer : Ans. Ecosystem
Description : A group of ornamental plants used to grow over walls, trellis, arches, pergolas, arbours, pillars, bowers etc.
Last Answer : Ans. Climbers and Creepers
Description : The arrangement of colourful potted plants in different tiers around a central object which may be tree trunk, lamp post or pillar.
Last Answer : Ans. Trophy
Description : Planting of low growing plants along with paths, roads, flower beds, lawns etc. for demarcation and beautification
Last Answer : Ans. Edge