1.

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_______pigment enables us to see in the dark

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The small lymphatic vessels present in the villi of the intestine are called_______.

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________is an illness which is characterized by fits or convulsions.

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When the amount of CO₂ fixed in photosynthesis is equal to the amount of CO₂ evolved in respiration it is known as________.

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When the pollen tube enters the embryo sac through the micropyle it is known as_________

Give the causative agents of each of the following :

Rabies

Give the causative agents of each of the following :

Tetanus

Give the causative agents of each of the following :

Ascariasis

Give the causative agents of each of the following :

Diphtheria

Give the causative agents of each of the following :

Chicken pox