Which of the following function is performed by the kidneys in the human body?

• Excretion

• Respiration

• Digestion

• Transportation

Who discovered bacteria?

• Antonie Ven Leeuwenhoek

• Robert Brown

• Robert Hook

• Robert Koch

What is the name of a group of similar cells performing a specific function?

• Tissue

• Organ

• Organ system

• Cellular organization

Plant tissues are of how many types?

• 3

• 2

• 5

• 6

Red rot is a disease caused to which of the following plant?

• Paddy

• Sugarcane

• Mustard

• Wheat

Which among the following is not a connective tissue?

• Blood

• Bone

• Skin

• Cartilage

Which of the following micro-organism causes diseases like polio and chicken pox?

• Bacteria

• Protozoa

• Algae

• Virus

308.

Red data book contains data of which of the following?

• All plant species

• All animal species

• All endangered species

• All extinct species

Which of the following is not a plant hormone?

• Gibberellic

• Auxins

• Cytokinins

• Thyroxin

Nephron is related to which of the following system of human body?

• Circulatory system

• Excretory system

• Reproductive system

• Respiratory system