Which light is least effective in photosynthesis? (1) Blue light (2) Green light (3) Red light (4) Sunlight

Which light is least effective in photosynthesis? (1) Blue light (2) Green light (3) Red light (4) Sunlight
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Green light
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Which light is least effective in photosynthesis? (1) Blue light (2) Green light (3) Red light (4) Sunlight

Description : Which light is least effective in photosynthesis? (1) Blue light (2) Green light (3) Red light (4) Sunlight

Last Answer : (2) Green light Explanation: Green is the least effective color of light in driving photosynthesis, the process of converting light energy into chemical energy. Photosynthesis occurs in plants ... reflects rather than absorbs green light, green light cannot be used in the photosynthetic process.

Which one of the following wavelengths of light is most effective in photosynthesis? (1) Blue (2) Green (3) Orange (4) Yellow

Description : Which one of the following wavelengths of light is most effective in photosynthesis? (1) Blue (2) Green (3) Orange (4) Yellow

Last Answer : (1) Blue Explanation: Photosynthesis, process by which green plants and certain other organisms use the energy of light to convert carbon dioxide and water into the simple sugar glucose. The wavelength ... of the spectrum, which makes up between 1 and 10% of the light needed for photosynthesis.

Which one of the following wavelengths of light is most effective in photosynthesis ? (1) Blue (2) Green (3) Orange (4) Yellow

Description : Which one of the following wavelengths of light is most effective in photosynthesis ? (1) Blue (2) Green (3) Orange (4) Yellow

Last Answer : Blue

Maximum photosynthesis takes place in— (A) Blue light (B) Red light (C) Violet light (D) Green light

Description : Maximum photosynthesis takes place in— (A) Blue light (B) Red light (C) Violet light (D) Green light

Last Answer : (D) Green light

When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is - (1) the violet ray (2) the red ray (3) the green ray (4) the blue ray

Description : When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is - (1) the violet ray (2) the red ray (3) the green ray (4) the blue ray

Last Answer : (2) the red ray Explanation: Red is deviated the least and violet the most.

In sunlight, a rose appears red. In green light, the same rose appears – (1) red (2) black (3) green (4) yellow

Description : In sunlight, a rose appears red. In green light, the same rose appears – (1) red (2) black (3) green (4) yellow

Last Answer : (2) black Explanation: Any object which allows light to pass through it is known as a transparent object. The colour of any transparent object is the colour of the light transmitted by it. A red rose ... green light, it looks black because the red colour of the rose is absorbed by the green light.

In sunlight a rose appears red. In green light, the same rose appears (1) red (2) black (3) green (4) yellow

Description : In sunlight a rose appears red. In green light, the same rose appears (1) red (2) black (3) green (4) yellow

Last Answer : black

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.(b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum. (c) Tomato is a greenhouse crop which can be grown in CO2-enriched atmosphere for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.

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

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 rate (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum (3) Tomato is a greenhouse crop which can be grown in CO 2 - enriched atmosphere for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight

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

A cube of side 4cm is painted with 3 colors red, blue and green in such a way that opposite sides are painted in the same color. This cube is now cut into 64 cubes of equal size. ➢ How many have at least two sides painted in different colors. ➢ How many cubes have only one side painted. ➢ How many cubes have no side painted. ➢ How many have exactly one side not painted.

Description : A cube of side 4cm is painted with 3 colors red, blue and green in such a way that opposite sides are painted in the same color. This cube is now cut into 64 cubes of equal size. ➢ How many ... one side painted. ➢ How many cubes have no side painted. ➢ How many have exactly one side not painted.

Last Answer : Here are the answers. Cubes that have at least two sides painted in different colours are 24 + 8 = 32. Cubes that have only one side painted are 24. Cubes that have no side painted = 8. Cubes that have exactly one side not painted = 0.

A cube of side 4cm is painted with 3 colors red, blue and green in such a way that opposite sides are painted in the same color. This cube is now cut into 64 cubes of equal size. 1. How many have at least two sides painted in different colors. 2. How many cubes have only one side painted. 3. How many cubes have no side painted. 4. How many have exactly one side not painted.

Description : A cube of side 4cm is painted with 3 colors red, blue and green in such a way that opposite sides are painted in the same color. This cube is now cut into 64 cubes of equal size. 1. How many ... side painted. 3. How many cubes have no side painted. 4. How many have exactly one side not painted.

Last Answer : Here are the answers. 1. Cubes that have at least two sides painted in different colours are 24 + 8 = 32. 2. Cubes that have only one side painted are 24. 3. Cubes that have no side painted = 8. 4. Cubes that have exactly one side not painted = 0.

From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?

Description : From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?

Last Answer : Answer: 3720.

The rate of photosynthesis is higher in (a) very high light (b) continuous light (c) red light (d) green light

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

The blueness of the sky is mainly due to -------? A. The scattering of sunlight by air molecules (Answer) B. The presence of water vapor C. Absorption of blue light by the air D. Emission of blue light by the atmosphere

Description : The blueness of the sky is mainly due to -------? A. The scattering of sunlight by air molecules (Answer) B. The presence of water vapor C. Absorption of blue light by the air D. Emission of blue light by the atmosphere

Last Answer : A. The scattering of sunlight by air molecules (Answer)

which of the following statements is not true for scattering of light? (a) Colour of the scattered tight depends on the size of particles of the atmosphere. (b) Red light is least scattered in the atmosphere. (c) Scattering of light Lakes place as various colours of white light travel with different speed in fir. d) The fine particles in the atmospheric air scatter the blue, light more strongly than red. So the scattered blue light enters our eyes.

Description : which of the following statements is not true for scattering of light? (a) Colour of the scattered tight depends on the size of particles of the atmosphere. (b) Red light is least scattered in the ... air scatter the blue, light more strongly than red. So the scattered blue light enters our eyes.

Last Answer : (c) Scattering of light Lakes place as various colours of white light travel with different speed in fir.

In refraction that occurs in air/glass interfaces, among the visible light, which is the bent the least? ∙ A. violet ∙ B. blue ∙ C. red ∙ D. orange

Description : In refraction that occurs in air/glass interfaces, among the visible light, which is the bent the least? ∙ A. violet ∙ B. blue ∙ C. red ∙ D. orange

Last Answer : C. red

A pl ant leaf appears to be green because it (a) Absorbs green light (b) Reflects all but yellow and blue light (c) Reflects green light (d) Absorbs red and yellow light

Description : A pl ant leaf appears to be green because it (a) Absorbs green light (b) Reflects all but yellow and blue light (c) Reflects green light (d) Absorbs red and yellow light

Last Answer : Ans:(c)

Maximum photosynthetic activity occurs in - (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light

Description : Maximum photosynthetic activity occurs in - (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light

Last Answer : (1) blue and red region of light Explanation: Wavelength of light between 400 nm and 700 nm is most effective for photosynthesis. This light is called photo synthetically active radiation (PAR). ... in red and minimum in blue region. In both these regions light is absorbed by chlorophylls.

Which colour is formed when Red and Green are mixed? (1) Light blue (2) Yellow (3) White (4) Grey

Description : Which colour is formed when Red and Green are mixed? (1) Light blue (2) Yellow (3) White (4) Grey

Last Answer : (2) Yellow Explanation: Red, green and blue are the primary colors and all other colors can be created from them. When red and green combine, the result is yellow.

Which color has the shortest wavelength of light? a. Red b. Yellow c. Blue d. Green

Description : Which color has the shortest wavelength of light? a. Red b. Yellow c. Blue d. Green

Last Answer : c. Blue

What are the primary colors of Light? 33 A. White, Black, Blue B. Red, Yellow, Blue C. Red, Orange, Blue D. Red, Green, Blue (Answer)

Description : What are the primary colors of Light? 33 A. White, Black, Blue B. Red, Yellow, Blue C. Red, Orange, Blue D. Red, Green, Blue (Answer)

Last Answer : D. Red, Green, Blue (Answer)

Auxin destruction activity is inhibited by : a. Blue light b. Red light c. Green light d. None of the above

Description : Auxin destruction activity is inhibited by : a. Blue light b. Red light c. Green light d. None of the above

Last Answer : Red light

Phytochrome becomes active in (a) red light (b) green light (c) blue light (d) none of these.

Description : Phytochrome becomes active in (a) red light (b) green light (c) blue light (d) none of these.

Last Answer : (a) red light

One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.

Description : One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of (a) violet and green light (b) indigo and green light (c) orange and yellow light (d) blue and red light.

Last Answer : (d) blue and red light.

A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Description : A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution? (a) Blue (b) Green (c) Yellow (d) Red

Last Answer : (a) Blue

An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Description : An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Last Answer : b. Green

Which color has the shortest wavelength of light? ∙ a. Red ∙ b. Yellow ∙ c. Blue ∙ d. Green

Description : Which color has the shortest wavelength of light? ∙ a. Red ∙ b. Yellow ∙ c. Blue ∙ d. Green

Last Answer : c. Blue

An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Description : An aircraft is converging from the left. Which light will you see first? a. Red b. Green c. Blue d. White

Last Answer : b. Green

Maximum photosynthetic activity occurs in : (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light

Description : Maximum photosynthetic activity occurs in : (1) blue and red region of light (2) green and yellow region of light (3) blue and orange region of light (4) violet and orange region of light

Last Answer : blue and red region of light

Apart from sunlight and chlorophyll, what other things are required to make food by photosynthesis ? -Science

Description : Apart from sunlight and chlorophyll, what other things are required to make food by photosynthesis ? -Science

Last Answer : Carbon dioxide and water.

First of all who demosntrate that sunlight is essential for photosynthesis in plants.

Description : First of all who demosntrate that sunlight is essential for photosynthesis in plants.

Last Answer : First of all who demosntrate that sunlight is essential for photosynthesis in plants.

In photosynthesis what form of energy is sunlight converted to and how is this energy stored?

Description : In photosynthesis what form of energy is sunlight converted to and how is this energy stored?

Last Answer : Need answer

What cell structures are seen only in cells that absorb sunlight and carry out photosynthesis?

Description : What cell structures are seen only in cells that absorb sunlight and carry out photosynthesis?

Last Answer : What is the answer ?

Ano ang tagalog ng The Kingdom Plantae Virtually all other living creatures depend on plants to survive. Through photosynthesis plants convert energy from sunlight into food stored as carbohydrates. B?

Description : Ano ang tagalog ng The Kingdom Plantae Virtually all other living creatures depend on plants to survive. Through photosynthesis plants convert energy from sunlight into food stored as carbohydrates. B?

Last Answer : What is the answer ?

What molecules absorbs sunlight for photosynthesis?

Description : What molecules absorbs sunlight for photosynthesis?

Last Answer : Chlorophyll absorbs sunlight in photosynthesis.

Which of the following provides energy for photosynthesis? (1) Water (2) Sunlight (3) Chlorophyll (4) Carbon dioxide

Description : Which of the following provides energy for photosynthesis? (1) Water (2) Sunlight (3) Chlorophyll (4) Carbon dioxide

Last Answer : (2) Sunlight Explanation: Photosynthesis is a process used by plants and other organisms to convert the light energy captured from the sun into chemical energy that can be used to fuel the ... is therefore: Carbon dioxide + electron donor + light energy -4 carbohydrate + oxidized electron donor.

The splitting up of water molecules in plant cells in the presence of sunlight is called (A)Photophosphorylation (B) Photosynthesis (C) Photolysis (D) Phosphorylation

Description : The splitting up of water molecules in plant cells in the presence of sunlight is called (A)Photophosphorylation (B) Photosynthesis (C) Photolysis (D) Phosphorylation

Last Answer : (C) Photolysis

Chemoautotrophic bacteria obtain the energy they need from a. The Reactions Of Photosynthesis. b. Sunlight. c. Carbon Dioxide In The Atmosphere. d. Inorganic Chemicals.

Description : Chemoautotrophic bacteria obtain the energy they need from a. The Reactions Of Photosynthesis. b. Sunlight. c. Carbon Dioxide In The Atmosphere. d. Inorganic Chemicals.

Last Answer : b. Sunlight.

Which of the following provides energy for photosynthesis? (1) Water (2) Sunlight (3) Chlorophyll (4) Carbon dioxide

Description : Which of the following provides energy for photosynthesis? (1) Water (2) Sunlight (3) Chlorophyll (4) Carbon dioxide

Last Answer : Sunlight

Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red

Description : Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red

Last Answer : (4) red Explanation: In refracting media like glass prism, water, etc., lights of different colors travel with different speeds. The speed of violet colour is the least, while the speed of red ... violet colour is deviated the most, while red colour is deviated least on passing through the prism.

Which of the following coloured light has the least speed in glass prism? (a) Violet (b) Yellow (c) Red (d) Green

Description : Which of the following coloured light has the least speed in glass prism? (a) Violet (b) Yellow (c) Red (d) Green

Last Answer : (a) Violet

Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red

Description : Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red

Last Answer : red

Which of the following parts of the sunlight makes the solar cooker hot? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Description : Which of the following parts of the sunlight makes the solar cooker hot? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Last Answer : (3) Infra red Explanation: Glass transmits visible light but blocks infrared thermal radiation from escaping. This amplifies the heat trapping effect. A solar cooker, or solar oven, is a device which ... The vast majority of the solar cookers presently in use are relatively cheap, low-tech devices.

Which of the following parts of the sunlight makes the solar cooker hot ? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Description : Which of the following parts of the sunlight makes the solar cooker hot ? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Last Answer : Infra red

There is an island with exactly 201 residents, 100 with blue eyes, 100 with brown eyes, and the island leader (who has green eyes). To leave the island, one must know their own eye color. There are no reflective surfaces on the island and no on can communicate with each other other than the leader to the residents. No one on the island knows how many of each eye color there is. Everyone on the island is a perfect logician, meaning that if there is a solution they'll find it. Every morning the leader gives anyone a chance to leave the island by guessing their eye color. One morning, the leader gathers all 200 residents to make an announcement, he says 'at least 1 person on this island has blue eyes' How many people leave the island and in how many days after the announcement? Notes: this is

Description : There is an island with exactly 201 residents, 100 with blue eyes, 100 with brown eyes, and the island leader (who has green eyes). To leave the island, one must know their own eye color. There ... How many people leave the island and in how many days after the announcement? Notes: this is -Riddles

Last Answer : All 100 blue eyed people in 100 days. EXPLANATION: imagine there is only 1 person on the island, he will look around and see that there are no blue eyed people, he will then know his eye color in ... is needed to know their own eye color. if you would like more info, search '100 blue eyes riddle

What is sunlight composed of Why is the sky blue?

Description : What is sunlight composed of Why is the sky blue?

Last Answer : What is the answer ?

The colour of the ocean appears blue because the sunlight falling on it is (a) Reflected (b) Refracted (c) Absorbed (d) Scattered

Description : The colour of the ocean appears blue because the sunlight falling on it is (a) Reflected (b) Refracted (c) Absorbed (d) Scattered

Last Answer : Ans:(d)

The blue colour of sky is due to – (1) reflection of sunlight (2) refraction of sunlight (3) scattering of shorter wave-lengths of sunlight in the atmosphere (4) scattering of longer wave-lengths of sunlight in the atmosphere

Description : The blue colour of sky is due to – (1) reflection of sunlight (2) refraction of sunlight (3) scattering of shorter wave-lengths of sunlight in the atmosphere (4) scattering of longer wave-lengths of sunlight in the atmosphere

Last Answer : (3) scattering of shorter wave-lengths of sunlight in the atmosphere Explanation: The blue colour of the sky is caused by the scattering of sunlight off the molecules of the atmosphere. This scattering, ... to the direction of the sun's light is predominantly in the blue end of the spectrum.

The blue colour of sky is due to – (1) reflection of sunlight (2) refraction of sunlight (3) scattering of shorter wave-lengths of sunlight in the atmosphere (4) scattering of longer wave-lengths of sunlight in the atmosphere

Description : The blue colour of sky is due to – (1) reflection of sunlight (2) refraction of sunlight (3) scattering of shorter wave-lengths of sunlight in the atmosphere (4) scattering of longer wave-lengths of sunlight in the atmosphere

Last Answer : (3) scattering of shorter wave-lengths of sunlight in the atmosphere Explanation: The blue colour of the sky is caused by the scattering of sunlight off the molecules of the atmosphere. This scattering, ... to the direction of the sun's light is predominantly in the blue end of the spectrum.

The colour of the ocean appears to be blue because the sunlight falling on it is – (1) reflected (2) refracted (3) diffracted (4) scattered

Description : The colour of the ocean appears to be blue because the sunlight falling on it is – (1) reflected (2) refracted (3) diffracted (4) scattered

Last Answer : (4) scattered Explanation: The reason the ocean is blue is due to the absorption and scattering of light. The blue wavelengths of light are scattered, similar to the scattering of blue light in the sky ... the red and weak in the blue, thus red light is absorbed quickly in the ocean leaving blue.