What are light-absorbing molecules such as chlorophyll called?

What are light-absorbing molecules such as chlorophyll called?
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The first step for initiation of photosynthesis will be (a) photolysis of water (b) excitement of chlorophyll molecules due to absorption of light (c) ATP formation (d) glucose formation.

Description : The first step for initiation of photosynthesis will be (a) photolysis of water (b) excitement of chlorophyll molecules due to absorption of light (c) ATP formation (d) glucose formation.

Last Answer : (b) excitement of chlorophyll molecules due to absorption of light

Name the predominant light capturing molecules in plants a, Anthocyanin b. Chlorophyll c. Myosin d. Erythrocyanin

Description : Name the predominant light capturing molecules in plants a, Anthocyanin b. Chlorophyll c. Myosin d. Erythrocyanin

Last Answer : b. Chlorophyll

In the first stage of photosynthesis, light energy is used to: a) move water molecules b) denature chlorophyll c) split water d) produce carbohydrates

Description : In the first stage of photosynthesis, light energy is used to: a) move water molecules b) denature chlorophyll c) split water d) produce carbohydrates

Last Answer : ANSWER: C -- SPLIT WATER

There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer the primary advantage of increased absorptive ability b. Films, such as Op-site, provide a water impermeable environment to achieve a dry wound c. Impregnates are fine gauze impregnated with a variety of substances such as antibiotics or moisturizing agents that adhere tightly to the wound and do not require a secondary dressing d. Absorptive powders and paste are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

Description : There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer ... are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

Last Answer : Answer: a, d Although the simplest dressing of gauze and tape combined with the use of antibacterial ointment can achieve moist wound healing in most patients. A multitude of other ... agents have high absorbency for tissue wound fluid and debride necrotic and fibrous material from the wound

How do chlorophyll molecules store energy from sunlight ?

Description : How do chlorophyll molecules store energy from sunlight ?

Last Answer : : The chlorophyll molecule absorbs photons from the sun's rays and stores energy from the absorbed photons.

A quantasome consists of 230 chlorophyll molecules and acts as a photosyntheic unit. It was discovered by

Description : A quantasome consists of 230 chlorophyll molecules and acts as a photosyntheic unit. It was discovered by

Last Answer : A quantasome consists of 230 chlorophyll molecules and acts as a photosyntheic unit. It was discovered ... Slack C. Pelletier dn Caventou D. Blackman

During an early step of respiration, glucose is converted into two identical molecules of: a) CO2 b) ATP c) pyruvic acid(pron: pie-ROO-vik) d) chlorophyll

Description : During an early step of respiration, glucose is converted into two identical molecules of: a) CO2 b) ATP c) pyruvic acid(pron: pie-ROO-vik) d) chlorophyll

Last Answer : ANSWER: C -- PYRUVIC ACID

Emission of light in the visible region after absorbing certain electromagnetic radia- tions is called?

Description : Emission of light in the visible region after absorbing certain electromagnetic radia- tions is called?

Last Answer : Photoluminescence

(a) `[Ti(H_(2)O)_(6)]^(3+)` absorbs light of wavelength 5000Å. Name one ligand which would form a titanium (III) complex absorbing light to lower wave

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The following are true about the lens: a. the anterior capsule is 10 times thicker than the posterior capsule b. the anterior surface has a greater radius of curvature than the posterior surface c. during accommodation the lens moves towards the cornea d. the lens is more effective in absorbing light with long than short wave-lengths

Description : The following are true about the lens: a. the anterior capsule is 10 times thicker than the posterior capsule b. the anterior surface has a greater radius of curvature than the posterior surface c ... the cornea d. the lens is more effective in absorbing light with long than short wave-lengths

Last Answer : during accommodation the lens moves towards the cornea

Which one of the following statements is not correct? (a) Retinal is the light absorbing portion of visual photopigments. (b) In retina the rods have the photopigment rhodopsin while cones have three different photopigments. (c) Retinal is a derivative of vitamin C. (d) Rhodopsin is the purplish red protein present in rods only.

Description : Which one of the following statements is not correct? (a) Retinal is the light absorbing portion of visual photopigments. (b) In retina the rods have the photopigment rhodopsin while cones have three ... a derivative of vitamin C. (d) Rhodopsin is the purplish red protein present in rods only.

Last Answer : (c) Retinal is a derivative of vitamin C.

Good vision depends on adequate intake of carotene rich food. Select the best option from the following statements. (1) Vitamin A derivatives are formed from carotene. (2) The photopigments are embedded in the membrane discs of the inner segment. (3) Retinal is a derivative of vitamin A. (4) Retinal is a light absorbing part of all the visual photopigments. (a) (1), (3) and (4) (b) (1) and (3) (c) (2), (3) and (4) (d) (1) and (2)

Description : Good vision depends on adequate intake of carotene rich food. Select the best option from the following statements. (1) Vitamin A derivatives are formed from carotene. (2) The photopigments are embedded in the membrane discs of the inner ... (1) and (3) (c) (2), (3) and (4) (d) (1) and (2)

Last Answer : (b) (1) and (3)

Good vision depends on adequate intake of carotene rich food : Select the best option from the following statements : (a) Vitamin A derivatives are formed from carotene (b) The photopigments are embedded in the membrane discs of the inner segment (c) Retinal is a derivative of Vitamin A (d) Retinal is a light absorbing part of all the visual photopigments Options : (1) (a), (c) and (d) (2) (a) and (c) (3) (b), (c) and (d) (4) (a) and (b)

Description : Good vision depends on adequate intake of carotene rich food : Select the best option from the following statements : (a) Vitamin A derivatives are formed from carotene (b) The photopigments are embedded in the membrane discs of the inner segment ... (a) and (c) (3) (b), (c) and (d) (4) (a) and (b)

Last Answer : (1) (a), (c) and (d)

The structure in cells which contains light absorbing pigment is (1) Endoplasmic reticulum (2) Nucleus (3) Chloroplast (4) Chromoplast

Description : The structure in cells which contains light absorbing pigment is (1) Endoplasmic reticulum (2) Nucleus (3) Chloroplast (4) Chromoplast

Last Answer : Chloroplast

Ozone saves the biosphere by absorbing high energy radiations called - (1) Infra-red (2) Gamma rays (3) Ultraviolet rays (UV) (4) X-rays

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Ozone saves the biosphere by absorbing high energy radiations called _____ . (1) Infra-red (IR) (2) Gamma rays (3) Ultraviolet rays (UV) (4) X–rays

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Last Answer : Ultraviolet rays (UV) 

What is a good insole for absorbing moisture in a shoe?

Description : What is a good insole for absorbing moisture in a shoe?

Last Answer : Are you actually walking through water and snow? If so then the boot simply is not waterproof I am thinking and an insole won't do anything. You can put your feet in plastic bags and then into ... protect your feet and socks from getting damp, but it sounds like the boot will continue to get damp.

I'm not absorbing b12... is there anything other than a shot I can do?

Description : I'm not absorbing b12... is there anything other than a shot I can do?

Last Answer : Do you have any known digestive problems? I think (correct me if I'm wrong) B12 is mainly absorbed in the ileum, which is the last portion of the small intestine. If you do have absorption problems ... the small intestine. You may still need the shot, but other options are worth a shot sorry.

How do those clean & clear oil absorbing sheets work?!

Description : How do those clean & clear oil absorbing sheets work?!

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Why is agriculture the most labour absorbing sector in India ? -SST 10th

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Which‌ ‌of‌ ‌the‌ ‌following‌ ‌is‌ ‌the‌ ‌most‌ ‌labour‌ ‌absorbing‌ ‌sectors‌ ‌of‌ ‌the‌ ‌Indian‌ ‌economy?‌ ‌ -Economics 9th

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Last Answer : (a) Primary sector Agriculture is the most labour absorbing sector of the economy.

Trees play important roles in preventing global warming blank absorbing carbon dioxide and pumping water into the atmosphere?

Description : Trees play important roles in preventing global warming blank absorbing carbon dioxide and pumping water into the atmosphere?

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Which plant has the maximum power of absorbing `CO_(2)` and oxides of nitrogen in a polluted area?

Description : Which plant has the maximum power of absorbing `CO_(2)` and oxides of nitrogen in a polluted area?

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The plant meet their carbon requirement by absorbing

Description : The plant meet their carbon requirement by absorbing

Last Answer : Ans. CO2 for atmosphere

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In a nuclear reactor the material use for absorbing neutrons is – (1) zinc (2) radium (3) lead (4) cadmium

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Last Answer : (4) cadmium Explanation: One isotope of cadmium, 113Cd, absorbs neutrons with very high probability if they have an energy below the cadmium cut-off and transmits them otherwise. The cadmium ... below the cut-off are deemed slow neutrons, distinguishing them from intermediate and fast neutrons.

Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Description : Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Last Answer : (4) absorbing U-V radiations Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03) which absorbs 97- 99% of the Sun's medium-frequency ultraviolet light.

Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass – wool (4) Glass pieces

Description : Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass – wool (4) Glass pieces

Last Answer : (3) Glass – wool Explanation: Materials that do not transfer mechanical energy well. These tend to be soft, flexible, low density, and with high surface area to linear area ratios.

Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass - wool (4) Glass pieces

Description : Which is best used as a sound absorbing material in partition walls? (1) Stone chips (2) Steel (3) Glass - wool (4) Glass pieces

Last Answer : (3) Glass - wool Explanation: Materials that do not transfer mechanical energy well. These tend to be soft, flexible, low density, and with high surface area to linear area ratios.

Water separometer index (modified) (WSIM) of a petrofuel is the measure of its (A) Emulsification tendency (B) Water separation characteristics (C) Water content (D) Water absorbing capacity from atmosphere

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Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons

Description : Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons

Last Answer : (C) Deuterium atom has one proton and two neutrons in its nucleus

The critical mass of a fissionable material can be reduced by (A) Heating it (B) Cooling it (C) Surrounding it by neutron reflecting material (D) Surrounding it by neutron absorbing material

Description : The critical mass of a fissionable material can be reduced by (A) Heating it (B) Cooling it (C) Surrounding it by neutron reflecting material (D) Surrounding it by neutron absorbing material

Last Answer : (C) Surrounding it by neutron reflecting material

For absorbing a sparingly soluble gas in a liquid (A) Gas side mass transfer co-efficient should be increased (B) Liquid side mass transfer co-efficient should be increased (C) Liquid side mass transfer co-efficient should be decreased (D) Mass transfer co-efficient must be kept constant

Description : For absorbing a sparingly soluble gas in a liquid (A) Gas side mass transfer co-efficient should be increased (B) Liquid side mass transfer co-efficient should be increased (C) Liquid side mass transfer co-efficient should be decreased (D) Mass transfer co-efficient must be kept constant

Last Answer : (B) Liquid side mass transfer co-efficient should be increased

H2S present in naphtha reformed gas is removed by absorbing with (A) Ethanolamine (B) K2CO3 (C) HCl (D) Vacuum gas oi

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Last Answer : (A) Ethanolamine

For absorbing a sparingly soluble gas in a liquid, the (A) Gas side co-efficient should be increased(B) Liquid side coefficient should be increased(C) Gas side co-efficient should be decreased(D) Liquid side co-efficient should be decreased

Description : For absorbing a sparingly soluble gas in a liquid, the (A) Gas side co-efficient should be increased (B) Liquid side coefficient should be increased (C) Gas side co-efficient should be decreased (D) Liquid side co-efficient should be decreased

Last Answer : (B) Liquid side coefficient should be increased

Radiation heat transfer rates does not depend upon the (A) Type of absorbing surface (B) Distance between the heat source and the object receiving the heat (C) Surface area and temperature of the heat source (D) None of these

Description : Radiation heat transfer rates does not depend upon the (A) Type of absorbing surface (B) Distance between the heat source and the object receiving the heat (C) Surface area and temperature of the heat source (D) None of these

Last Answer : (D) None of these

The shock absorbing capacity of bolts can be increased by a) Increasing the shank diameter b) Decreasing the length of shank portion of bolt c) Increase the shank diameter and decreasing the length of shank d) None of the listed

Description : The shock absorbing capacity of bolts can be increased by a) Increasing the shank diameter b) Decreasing the length of shank portion of bolt c) Increase the shank diameter and decreasing the length of shank d) None of the listed

Last Answer : d) None of the listed

The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter. a) Lesser than b) Equal to c) Greater than d) No effect

Description : The shock absorbing capacity of bolt can be increased by making the shank diameter ________ the root diameter. a) Lesser than b) Equal to c) Greater than d) No effect

Last Answer : b) Equal to

The shock absorbing capacity of a bolt can be increased by (A) Increasing shank diameter (B) Making shank diameter equal to core diameter of threads (C) Using castle nut in place of ordinary hexagonal nut (D) Using a washer

Description : The shock absorbing capacity of a bolt can be increased by (A) Increasing shank diameter (B) Making shank diameter equal to core diameter of threads (C) Using castle nut in place of ordinary hexagonal nut (D) Using a washer

Last Answer : (B) Making shank diameter equal to core diameter of threads

The shock absorbing capacity of a bolt can be increased by (A) Increasing stress in shank (B) Increasing stress in core diameter of threads (C) Decreasing stress in shank (D) Decreasing stress in core diameter of threads

Description : The shock absorbing capacity of a bolt can be increased by (A) Increasing stress in shank (B) Increasing stress in core diameter of threads (C) Decreasing stress in shank (D) Decreasing stress in core diameter of threads

Last Answer : (A) Increasing stress in shank

In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing (A) CO (B) CO2 (C) O2 (D) H2O

Description : In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing (A) CO (B) CO2 (C) O2 (D) H2O

Last Answer : (A) CO

Orsat apparatus is meant for (A) Gravimetric analysis of flue gas (B) Finding out combustion efficiency (C) Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride (D) None of these

Description : Orsat apparatus is meant for (A) Gravimetric analysis of flue gas (B) Finding out combustion efficiency (C) Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride (D) None of these

Last Answer : (D) None of these

Naphthalene is removed from coke oven gas by (A) Scrubbing with wash oil (a petroleum product) (B) Adsorbing on bog iron bed (C) Absorbing in vetro-coke solution (D) None of these

Description : Naphthalene is removed from coke oven gas by (A) Scrubbing with wash oil (a petroleum product) (B) Adsorbing on bog iron bed (C) Absorbing in vetro-coke solution (D) None of these

Last Answer : (A) Scrubbing with wash oil (a petroleum product)

Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in (A) KOH (B) Ammoniacal cuprous chloride (C) Pyrogallol solution(D) None of these

Description : Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in (A) KOH (B) Ammoniacal cuprous chloride (C) Pyrogallol solution (D) None of these

Last Answer : (D) None of these

On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood(B) Of jamming of respiratory tract(C) It forms carboxyhemoglobin by combining with haemoglobin of blood,thereby making it incapable of absorbing oxygen(D) It forms CO2 by combining with oxygen present in the blood

Description : On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because (A) Of clotting of blood (B) Of jamming of respiratory tract (C) It forms carboxyhemoglobin by combining ... it incapable of absorbing oxygen (D) It forms CO2 by combining with oxygen present in the blood

Last Answer : (C) It forms carboxyhemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen

Naphthalene is removed from coke oven gas by (A) Adsorbing on palladium (B) Absorbing in ethanolamine (C) Scrubbing with wash oil (D) Passing it through electrostatic precipitator

Description : Naphthalene is removed from coke oven gas by (A) Adsorbing on palladium (B) Absorbing in ethanolamine (C) Scrubbing with wash oil (D) Passing it through electrostatic precipitator

Last Answer : (C) Scrubbing with wash oil

An earth formation which, although porous and capable of absorbing water does not provide an appreciable supply to wells, is known as (A) Aquifer (B) Aquiclude (C) Aquifuge (D) None of these

Description : An earth formation which, although porous and capable of absorbing water does not provide an  appreciable supply to wells, is known as  (A) Aquifer  (B) Aquiclude  (C) Aquifuge  (D) None of these 

Last Answer : (B) Aquiclude 

'Flare tower' used in industry is meant for (A) Venting off (after burning) the excess inflammable/toxic gases at high pressure (B) Absorbing the pollutant gases from the furnace exhaust (C) Cooling of furnace exhaust gases (D) None of these

Description : 'Flare tower' used in industry is meant for (A) Venting off (after burning) the excess inflammable/toxic gases at high pressure (B) Absorbing the pollutant gases from the furnace exhaust (C) Cooling of furnace exhaust gases (D) None of these

Last Answer : (A) Venting off (after burning) the excess inflammable/toxic gases at high pressure

It is the deposition of radiant energy as heat into an absorbing body.  a. Radiation  b. Ionization  c. Convection  d. Insolation

Description : It is the deposition of radiant energy as heat into an absorbing body.  a. Radiation  b. Ionization  c. Convection  d. Insolation

Last Answer : Insolation

power of absorbing type hydraulic dynamometer varies as a) cube of rpm b) fifth power of the diameter c) none of the above d) both (a) and (b)

Description : power of absorbing type hydraulic dynamometer varies as a) cube of rpm b) fifth power of the diameter c) none of the above d) both (a) and (b)

Last Answer : d) both (a) and (b)