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Raw materials used in the autotrophic mode of nutrition is:

• Glucose, Starch, Fructose

• Protein, Fats

• Carbon dioxide, water

• Hydrogen, Oxygen

Photosynthesis is:

• Trapping energy of sunlight to form glucose.

• Synthesis of photosensitive compounds.

• Oxidation of glucose

• Oxidation of carbon dioxide

The green pigment used in photosynthesis is

• Phytochrome

• Chlorophyll

• Hemoglobin

• None

Chlorophyll is mainly located in which part of the plant

• Green leaf

• Bark

• Stem

• Root

Chlorophyll has a porphyrin ring with _ _ _ _ _ at the centre.

• Iron (Fe)

• Chromium (Cr)

• Magnesium (Mg)

• Carbon (C)

Chlorophyll pigment is located in which organelle of a cell?

• Mitochondria

• Vacuole

• Plastid

• Chloroplast

Apart from the plant which microorganism also do photosynthesis:

• Algae and cyanobacteria

• Fungi

• Paramecium

• Amoeba

Heterotrophic nutrition is

• The utilization of energy obtained by the plants.

• Breakdown of Glucose into energy

• Oxidation of Glucose

• All

Digestion of food in amoeba occurs in

• Nucleus

• Cytoplasm

• Food vacuole

• None

Which of the following statements about the autotrophs is incorrect?

• They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll

• They store carbohydrates in the form of starch

• They convert carbon dioxide and water into carbohydrates in the absence of sunlight

• They constitute the first trophic level in food chains