Monthly Test -1 (Grade 7-Biology)

A structure made up of different tissues working together

• organ

• cell

• tissue

• organelle

A group of cells organized to do a job

• cell

• tissue

• prokaryotic

• animal

(a)   is the smallest unit able to perform basic functions of life

A group of organs that work together

• organ system

• tissue

• cells

• organelle

An organ is a collection of tissues that carry out a specialized function of the body,

• True

• False

Why are specialized cells important?

• They can type faster

• They never die

• They make an organism more efficient

• They provide energy for the cell

The correct order of the levels of organization of living things, from simple to complex is

• cell, tissue, organ, organ system

• tissue, cell, organ, organ system

• organ system, organ, cell, tissue

• cell, organism, tissue, organ

The size of the stem increases in thickness due to (a)   .

Sieve tubes and companion cells are present in _____________.

• xylem

• phloem

• cork

• cambium

A twig of white-coloured flowers is placed in a beaker containing coloured water. After some time, the white petals become coloured. Which tissue is responsible for this?

• Xylem

• Phloem

• cork

• cambium