Animals which eat only plants are called:
1.Herbivores
2.Omnivores
3.Carnivores
4.None of the above
Consider the following statements:
1.Respiration takes place both day and night.
2.Photosynthesis occurs during day time only.
3.Both A and B are correct.
4.Neither A nor B are correct.
Due to which reaction PGA is changed into phosphoglyceraldehyde in photosynthesis process?
1.Oxidation
2.Reduction
3.Electrolysis
4.Hydrolysis
For photosynthesis green plants require:
1.Chlorophyll only
2.Light
3.Carbon dioxide and water
4.All of the above
If we say the child has an IQ of 100, what does this means?
1.The performance of the child is below average.
2.The performance of the child is above average.
3.The mental age of the child is equal to his actual age.
4.The performance of the child cannot be better.
In bacteria name the colour of light which is responsible for photosynthesis?
1.Ultra-Violet
2.Blue
3.Red
4.None of the above
In photosynthesis dark reaction, is called so because-
1.It occurs in dark.
2.It does not require light energy.
3.It cannot occur during daytime.
4.It occurs more rapidly at night.
In Photosynthesis process, how many molecules of NADPH and ATP are required to reduce six molecules of carbon dioxide to glucose?
1.3 ATP and 2 NADPH
2.6 ATP and 6 NADPH
3.12 ATP and 18 NADPH
4.18 ATP and 12 NADPH
In poorly ventilated buildings which one of the following inert gases can be accumulated?
1.Helium
2.Neon
3.Argon
4.Radon
Mention the internal factors that influence photosynthesis?
1.Size, position and structure of stomata
2.Maintenance of the turgidity of the leaf cells
3.Relative proportion and distribution of chloroplasts in the mesophyll
4.All of the above
Name an extension of the epidermal cells of a root which is in direct contact with the soil?
1.Root Hairs
2.Internodes
3.Bundle Scars
4.Pith
Name the external factors that affect photosynthesis process?
1.Light Intensity
2.Carbon dioxide concentration
3.Temperature
4.All of the above
Name the metal present in chlorophyll ‘a’ and ‘b’?
1.Iron
2.Copper
3.Magnesium
4.Manganese
Name the pigment which is responsible for absorption of light in plants?
1.Chlorophyll
2.Stoma
3.Xylem
4.Phloem
Name the structural unit of photosynthesis?
1.Thylakoid
2.Grana
3.Stroma
4.Chlorophyll
Name the waste products secreted by Plants?
1.Carbon Dioxide
2.Oxygen
3.Water Vapour
4.All are correct.
Photosynthesis is :
1.An Oxidation-Reduction reaction
2.Synthesis reaction
3.Synthesis reaction
4.Replacement reaction
Photosynthesis is a _____ process.
1.Catabolic
2.Anabolic
3.Exothermic
4.Metabolic
Quantasomes are found in:
1.Cristae of mitochondria
2.Thylakoid membrane of chloroplasts
3.Nucleus membrane
4.Lysosome
Rate of photosynthesis does not depend upon:
1.Quality of light
2.Intensity of Light
3.Duration of Light
4.Temperature
Respiration in Plants takes place through:
1.Stomata
2.Lenticels
3.Both A and B
4.Only A
Some plants store waste in their fruits in the form of solid bodies called:
1.Raphides
2.Lenticels
3.Stomata
4.Resins
The directional movement of a plant part in response to the touch of an object is called:
1.Phototropism
2.Geotropism
3.Thigmotropism
4.Hydrotropism
The mode of nutrition in which an organism makes its own food from the simple inorganic material like carbon dioxide and water present in the surrounding is called:
1.Heterotrophic nutrition
2.Saprotrophic nutrition
3.Autotrophic nutrition
4.Holozoic nutrition
The movement of a plant part in response to a chemical stimulus is called:
1.Hydrotropism
2.Chemotropism
3.Thigmotropsim
4.Phototropism
The movement of a plant part in response to light is called:
1.Phototropism
2.Geotropism
3.Chemotropism
4.Hydrotropism
The movement of a plant part in response to water is called:
1.Geotropism
2.Hydrotropism
3.Chemotropism
4.Thigmotropism
The movement of plant part in response to gravity is called:
1.Thigmotropism
2.Hydrotropism
3.Phototropism
4.Geotropism
The non-directional movement of a plant part in response to light is called:
1.Phototropism
2.Thigmotropism
3.Geotropism
4.Photonasty
The non-directional movement of a plant part in response to the touch of an object is called:
1.Thigmotropism
2.Thigmonasty
3.Phototropism
4.Photonasty
The nutrition in which an organism derives its food from the body of another living organism without killing it, it’s called:
1.Saprotrophic nutrition
2.Parasitic nutrition
3.Holozoic nutrition
4.Autotrophic nutrition
The pad-like swelling at the base of each leaf of a sensitive plant is called:
1.Pistol
2.Scape
3.Pulvini
4.Foliage
The process by which green plants make their own food from carbon dioxide and water by using sunlight energy in the presence of chlorophyll, is called:
1.Xanthophylls
2.Stomata
3.Photosynthesis
4.Chloroplast
The process in which the food containing large, insoluble, molecules is broken down into small, water soluble molecules is called:
1.Digestion
2.Absorption
3.Ingestion
4.Assimilation
The process of removal of toxic wastes from the body of an organism is called:
1.Transport
2.Respiration
3.Excretion
4.Nutrition
The shorter fibres on the body of a neuron are called:
1.Dendrites
2.Axon
3.Cytoplasm
4.Myelin sheath
What do you understand by NADP?
1.It is an enzyme
2.It is a co-enzyme
3.A part of s-RNA
4.A part of t-RNA
What is the first step in photosynthesis:
1.Generation of ATP
2.Formation of NADPH
3.Through light, excitement of an electron of chlorophyll pigment.
4.Formation of Glucose
What is the mode of nutrition called in which organisms cannot make its own food from simple inorganic material and depends on other organisms for its food?
1.Autotrophic nutrition
2.Heterotrophic nutrition
3.Parasitic nutrition
4.Holozoic nutrition
What is the process of intake of nutrients by an organism as well as the utilisation of these nutrients by the organisms called?
1.Nutrition
2.Photosynthesis
3.Chloroplasts
4.Digestion
What is the process of taking food into the body called?
1.Digestion
2.Assimilation
3.Ingestion
4.Egestion
What will be the ratio of oxygen produced to that of consumed in daylight hours when the rate of respiration is less than that of photosynthesis?
1.01:01
2.10:01
3.50: 1
4.05:01
When an organism obtains its food from decaying organic matter of dead plants, dead animals and rotten bread, etc., it is called:
1.Parasitic nutrition
2.Autotrophic nutrition
3.Holozoic nutrition
4.Saprotrophic nutrition
Which bacteria is responsible for the formation of curd?
1.Lactic acid bacteria
2.Lactobacillus Acidophillus
3.Lactobacillus aureus
4.Bacillus radicicola
Which gas is safe and an effective extinguisher for all confined fires?
1.Nitrogen dioxide
2.Carbon dioxide
3.Sulphur dioxide
4.Nitrous Oxide
Which of the following statements are true regarding Photosystems?
1.Photosystems are arrangements of chlorophyll and other pigments packed into thylakoids.
2.Many Prokaryotes have only one photosystem.
3.Both A and B are correct.
4.Only A is correct.
Which one of the following bacteria present in the soil produces a peculiar smell if it rains on perched soil?
1.Streptomycetes
2.Staphymycetes
3.Diplomycetes
4.Micrococcus
Which one of the following elements the drum of a Photostat machine is made up of:
1.Aluminium
2.Selenium
3.Barium
4.Caesium
Which one of the following statements is incorrect about laser?
1.It is a technique for producing intense beams of light, ultraviolet or infrared radiation of different wavelength.
2.Even in diamond laser beam can drill a hole.
3.A variety of lasers have been made from solids like the ruby crystal and semi conducting materials, liquids and gases.
4.All waves in laser, travel in phase.
Which one of the following waves are used by the common TV remote control?
1.Radio waves
2.Lasers
3.Infrared waves
4.Ultrasonic waves