Starch or amylum is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. Sugar from molasses or sugarcane, fruits or starch is first converted to glucose and fructose in presence of an enzyme called invertase.

Correct Option: A

Starch or amylum is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. Sugar from molasses or sugarcane, fruits or starch is first converted to glucose and fructose in presence of an enzyme called invertase.

The average heart rate for adult humans is about 70 to 75 beats per minute in a normal relaxed mode. While we tend to think of the "normal" heart beat rate as being "72 beats per minute", in actuality the heart beat rate is not and should not be constant.

Correct Option: C

The average heart rate for adult humans is about 70 to 75 beats per minute in a normal relaxed mode. While we tend to think of the "normal" heart beat rate as being "72 beats per minute", in actuality the heart beat rate is not and should not be constant.

A typical adult human skeleton consists of 206 bones. These include: 22 Cranial and Facial Bones; 6 Ear Bones; 1 Throat Bone; 4 Shoulder Bones; 25 Chest Bones; 26 Vertebral Bones; 6 Arm and Forearm bones; 54 Hand Bones; 2 Pelvic Bones; 8 Leg Bones; and 52 Foot Bones.

Correct Option: B

A typical adult human skeleton consists of 206 bones. These include: 22 Cranial and Facial Bones; 6 Ear Bones; 1 Throat Bone; 4 Shoulder Bones; 25 Chest Bones; 26 Vertebral Bones; 6 Arm and Forearm bones; 54 Hand Bones; 2 Pelvic Bones; 8 Leg Bones; and 52 Foot Bones.

Scorpions are predatory arthropod animals which are easily recognized by the pair of grasping claws and the narrow, segmented tail, often carried in a characteristic forward curve over the back, ending with a venomous stinger. All known scorpion species possess venom and use it primarily to kill or paralyze their prey. This venom is present in their stings.

Correct Option: D

Scorpions are predatory arthropod animals which are easily recognized by the pair of grasping claws and the narrow, segmented tail, often carried in a characteristic forward curve over the back, ending with a venomous stinger. All known scorpion species possess venom and use it primarily to kill or paralyze their prey. This venom is present in their stings.

Landfill is the most common and the oldest method for waste disposal management, incineration is the second largest method for waste disposal management in most of the countries around the world.

Correct Option: C

Landfill is the most common and the oldest method for waste disposal management, incineration is the second largest method for waste disposal management in most of the countries around the world.