Grade 10 BIology

The organ of the human body is considered to be the largest organ.

• Skin

• Digestive tract

• Brain

• Liver

Sensory hair cell are present in:

• Retina

• Skin

• Nose

• Cochlea

Cartilage is made up of these cells?

• Osteoclast

• Osteocytic

• Chondrocytes

• Concocted

The head of femur bone is attached to

• Pectoral girdle

• Pelvic girdle

• Scapula

• Axial Skeleton

This is the female gameto Phyte of anglospermic plant is

• Ovule

• Ovary

• Carpel

• Embryosac

Removal of extra liquid water is called:

• Guttation

• Excretion

• Transpiration

• Exudation

In arthropodes, exoskeleton, is made up of:

• Chitin

• Silica

• Protein

• calcium carbonate

The pair of muscles where both works in opposite divection is:

• Cardiac

• Smooth

• Antagonist

• Abductor

The artificial manipulation, medication and re combination DNA is called.

• Biotechnology

• Molecular biology

• Genetics

• Genetic engineering

The life sustaining envelop of earth is called

• Biome

• Atmosphere

• Population

• Biosphere