Biology MCQs

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Gametogenesis is the formation of male and female gametes while Gamete transfer brings the male and female gametes together.

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Salamander belongs to the Amphibian class. All living amphibians belong to the group Lissamphibia. Most amphibians have complex life cycles with time on land and in the water.

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Ichthyophis is a limbless amphibian. They are commonly known as caecilians. Their eyes may be covered by skin or even bone.

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Casein protein is commonly found in mammalian milk. Casein is a family of related phosphoproteins. Milk is a good source of calcium, magnesium, phosphorus, potassium, selenium, and zinc.

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An abnormal thickening of stratum Corneum called Callus. It develops from repeated friction, rubbing or irritation, and pressure on the skin.

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The persistence of vision for the human eye is 1/16th of a second. The process of seeing begins when light rays from the objects you see pass through the cornea, the clear, dome-like structure that covers your eyes.

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The place where bones meet is called a joint.
There are two basic types of joints:
1. Movable joints, such as the elbow, knee, and shoulder joints, allow varying degrees of motion.
2. Fixed joints do not allow any movement of bones. The bones of the skull, except the jawbones, join in stable joints.

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Flat bones are thin and have a broad surface, including the scapula (wing bone), ribs, and sternum (breastbone).

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The liver makes a digestive juice called bile that helps digest fats and certain vitamins.

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Albumin is the most important protein in blood serum. It is produced by Liver.