A tissue is composed of a group of

A. similar cells

B. tissues

C. systems

D. related organs

The population of different organisms that exist together in a habitat is called

A. biomes

B. biosphere

C. community

D. ecology

Which of the following serves as the brain box in man

A. skeleton

B. skull

C. head

D. spinal column

Which organ removes the largest amount of excess water from the body?

A. Liver

B. Lung

C. Kidney

D. skin

A group of organisms of the same kind inhabiting the same environment is called

A. ecosystem

B. habitat

C. population

D. species

The light sensitive cells in the human eye is called the ................

A. Choroid

B. Sclerotic layer

C. retina

D. cones

The earliest form of life in animal kingdom is the

A. aves

B. amphibian

C. pisces

D. reptilia

Which of the following disease is not sexually transmitted?

A. Gonorrhea

B. Herpes

C. Influenza

D. Syphilis

Which of the following is not a monocotyledonous seed?

A. cowpea

B. maize

C. millet

D. wheat

The lowest unit of classification is the

A. class

B. genus

C. phylum

D. species

One of the following diseases is caused by fungi

A. cassava mosaic

B. coffee leaf rust

C. leaf blight of cassava rossette

D. Tomato mosaic

The by-product of photosynthesis is

A. CO2

B. O2

C. C6H12O6

D. H2O

Gaseous exchange in the lungs takes place in the

A. alveoli

B. bronchi

C. bronchioles

D. trachea

In eukaryotic cells,cellular respiration takes place in the

A. nucleus

B. cytoplasm

C. centrioles

D. mitochondrion